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NestMintIntelligent Wealth Builder
NestMint
✦ Smart Planning. Confident Future.

Plan today.
Live confidently tomorrow.

NestMint helps you model your financial future with clarity — so you can make smarter decisions, reach your goals, and enjoy what matters most.

See It In Action

Powerful Tools. Clear Insights. Better Decisions.

Everything you need to plan, model, and project your financial future with confidence.

Year-by-Year Projections

See your future year-by-year with comprehensive cash flow, taxes, and account balances.

Smart Withdrawal Strategies

Compare strategies side-by-side to reduce projected taxes and support lifetime wealth.

Monte Carlo Simulations

Visualize thousands of market scenarios and understand the range of possible outcomes.

Tax, RMD & IRMAA Insights

Plan ahead for taxes, RMDs, and IRMAA surcharges with proactive insights.

Built for Every Stage of Life

Young Professionals

Start strong, build smart habits, and watch your money grow.

Young professional

Near Retirees

Make informed decisions and transition into retirement with clarity.

Person approaching retirement

Retirees

Protect your wealth and enjoy peace of mind through every year.

Retiree

Your future. Your plan.
Your confidence.

Take control of your financial future with NestMint.

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  • ✓ Cancel Anytime
  • Currently in closed beta — a beta access code is required to create an account.

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Good morning!

Here’s your financial overview for today.

New Plan

Retirement Confidence

Run Monte Carlo

Open Monte Carlo to calculate a modeled success rate.

Projected Ending Wealth

in future (nominal) dollars — not inflation-adjusted

Run the Retirement Planner to populate this metric.

Annual Spending (Today)

Current modeled spending

From your current plan assumptions.

Lifetime Taxes

Total projected federal, state, capital-gains tax, and IRMAA where modeled

Run the Retirement Planner to populate this metric.

Run a simulation in the Retirement Planner to populate plan metrics and recommendations.

Portfolio Snapshot

Total Portfolio Value
  • Enter account balances in the Retirement Planner to see your allocation.

Based on the account balances in your current plan.

Spending & Withdrawals by Age

Run a simulation in the Retirement Planner to see projected annual spending by age.

Taxes by Age

Run a simulation in the Retirement Planner to see projected annual taxes by age.

Recent Plans

Plan NameLast EditedEnding Wealth
No saved plans yet. Run the Retirement Planner or Savings Estimator and save a scenario — it will appear here.
View all plans →
← Back to Workspace
Create a retirement plan

Start a new plan

Name the plan, then choose whether to use the guided planner or go directly to the complete assumptions area.

You can rename or save the plan from the Retirement Planner later.
How would you like to begin?

Both paths lead to the same Retirement Planner — choose whichever fits how you like to work.

Existing values are retained until you change them. Creating a new plan clears the active saved-plan selection. Your current inputs stay in place until you update them.
Cancel

Savings Estimator

See how small, consistent savings turn into serious wealth over time.

Your Savings Today

Retirement accounts
$
$
$
$
Retirement subtotal $0
$

Brokerage accounts, savings, CDs, etc. — taxed differently from retirement accounts.

Total savings $0

Compensation

$

Your gross annual employment income. Used to check Roth IRA eligibility, compute employer-match cap (if configured), and project your current-year tax bracket.

Contribution & Growth

$

Money you save each month into a regular taxable brokerage account. Grows in its own bucket — no contribution limit and no employer match.

$
$

Traditional and Roth are your 401(k)/IRA contributions. The employer match below applies to their combined total (not to brokerage).

%

One rate for raises: it grows your contributions each year and your salary, so the employer-match ceiling below grows with your pay.

Employer Match Not set

Match cap is computed against the Annual Salary in the Compensation section above, indexed each year by your Annual Increase. IRS rules (§401(a)(17)) cap matchable pay at $350,000 (2026, indexed). Leave both fields at 0 if you have no employer match.

%

Percentage of your contribution the employer matches (e.g. 50% = $0.50 per $1 you contribute).

%

Maximum % of salary the employer will match on (e.g. 6% means they only match up to 6% of your salary).

Traditional is the default and most common (employer match is pre-tax). Some plans offer Roth-match under SECURE 2.0 — you pay tax on the match amount in the current year but the balance grows tax-free.

Note: Salary is treated as fixed for the entire projection period. The employer match cap is based on the Compensation salary each year, even if your contributions increase annually.

Tax profile

Used by both Roth tools below — conversion math and contribution-bucket eligibility.

yrs

Used to personalize tool suggestions and milestone labels

yrs
%

Contributions are assumed to occur evenly throughout the year. Monthly is the most realistic for typical investments.

Start Post-Retirement Planning →

Projected Savings at Age
Projected balance
$0
Target

Target value renders from your saved goal in Goal Simulator.

Projected from current assumptions; not a guarantee.

Years to Retirement

Monthly Contributions
$0

Traditional + Roth + brokerage

Employer Match
$0

Projected across the savings horizon

Current Savings
$0

Across retirement and taxable accounts

Goal Simulator
Total Estimated Savings iProjected total balance at your target retirement age, including your current savings, new contributions, employer match, and investment growth.
$0
Est. Monthly Income (4% rule) iEstimated monthly income you could withdraw in retirement using the 4% safe withdrawal rule. Calculated as your total savings × 4% ÷ 12 months. The 4% rule is a widely used guideline suggesting you can withdraw 4% of your portfolio annually with low risk of running out over 30 years.
$0
Est. New Contributions iTotal amount you will contribute from your own income between now and retirement. Includes any annual increase percentage you've set. Does not include employer match — that's shown separately.
$0
Est. Investment Growth iThe portion of your total savings that comes from investment returns (compound growth) rather than contributions. This is Total Savings minus your initial balance, new contributions, and employer match.
$0

Wealth Accumulation Over Time

Account Balances Over Time

Traditional, Roth, and brokerage balances — with the total — through retirement age.

Contribution Mix
Traditional and Roth deferrals are modeled separately

The estimator preserves the four retirement-account buckets and taxable savings throughout the projection.

Target Context

Retirement Handoff
Carry this balance into the Retirement Planner

Use the estimate to begin spending, tax, healthcare, and withdrawal modeling.

Year-by-Year Savings Projection

Scroll horizontally to view all columns →
Timeline Balances & Contributions Investment Growth Projected Outcome
Year Age Beg. Balance Mo. Contrib Annual Contrib Empl. Match Cumul. Contrib Interest (Yr) Cumul. Interest End Balance % From Growth Real Balance (today's $) Mo. Income @ 4%

Smart Planning Tools

Employer Match Optimizer

See how much free money you're leaving on the table. Enter your employer's match terms.

$
%
%

% of your contribution they match

%

Max % of salary they'll match on

Goal Milestones

Track when you'll hit key savings milestones. Based on your current inputs.

Run the estimator above to see your milestones.
Roth Contribution Planner

How should you split your annual retirement contributions across Roth IRA, Roth 401(k), Traditional 401(k), and Traditional IRA? See your capacity, allocate across the four buckets, and watch how the choice plays out over your time to retirement.

This is an ongoing decision. Numbers update live as you change inputs — no Run button. Revisit any time your income, employer match, or savings rate changes.
Why split contributions across buckets at all?

Roth and Traditional accounts behave differently in retirement. Roth grows tax-free and avoids RMDs. Traditional reduces taxable income today, but withdrawals are taxed as ordinary income and RMDs force them starting at age 73 or 75 (set by your birth year).

Splitting across both gives you tax diversification — flexibility to draw from whichever bucket is most tax-efficient each year of retirement. The optimal split depends on your current bracket, projected retirement bracket, employer match policy, and IRS phase-out limits.

The Capacity card below shows what you're legally allowed to contribute given your filing status and income. The allocation grid lets you decide how to use it.

Loading…
3 Projected outcome at retirement
Final estimated savings — three scenarios Live

All three scenarios use the same contribution dollars, employer match, and growth rate, so the pre-tax balance is the same. Only the after-tax keep amount changes based on how the money is split between Traditional and Roth. Traditional balances are subject to required minimum distributions beginning at age 73–75; Roth balances are not.

All Traditional
pre-tax · all Traditional
After-tax:
Gross at retirement
Tax-free portion
Taxable portion
Withdrawal tax rate
Withdrawal tax
After-tax NW
Current-year tax
vs. all-Traditional
Your allocation
pre-tax · your split
After-tax:
Gross at retirement
Tax-free portion
Taxable portion
Withdrawal tax rate
Withdrawal tax
After-tax NW
Current-year tax
vs. all-Traditional
All Roth
pre-tax · all Roth
After-tax:
Gross at retirement
Tax-free portion
Taxable portion
Withdrawal tax rate
Withdrawal tax
After-tax NW
Current-year tax
vs. all-Traditional

Note: These projections cover retirement accounts only (Traditional & Roth 401(k) and IRA balances). Brokerage and taxable savings are excluded — see the Savings Estimator dashboard for your full total including non-retirement accounts.

What drives the after-tax delta (your allocation vs. all-Traditional)
1 Same gross balance, different tax composition. All three scenarios produce roughly the same gross. What changes is how much you keep after retirement taxes — Roth dollars are tax-free, Traditional dollars are taxed at your retirement bracket. informational
2 Roth IRA tax-free growth. The Roth IRA portion of your allocation compounds tax-free for the full horizon and is withdrawn tax-free, with no income tax owed at retirement.
3 Roth 401(k) tax-free growth. The Roth 401(k) portion of your allocation compounds tax-free for the full horizon and is withdrawn tax-free, with no income tax owed at retirement.
Potential tax advantage of your allocation
The per-year tradeoff of choosing Roth
Every dollar you contribute to Roth (instead of Traditional) means:
  • You give up a current-year tax deduction (your Roth contribution × your current tax rate).
  • You avoid withdrawal tax in retirement (your Roth balance × your retirement tax rate).

Important: The lost tax deduction can represent a significant drag on the Roth advantage shown above. If a Traditional contributor were to reinvest those tax savings and let them compound over the full savings horizon, the result would partially offset Roth's edge.

Tax-advisor footnote. 2026 IRS limits shown reflect federal rules verified against IRS.gov, Fidelity, Schwab, and Vanguard. Projection uses simplified assumptions for current and retirement tax brackets. Individual situations have wrinkles this tool doesn't model — HSA stacking, multiple 401(k)s, MAGI vs. AGI subtleties, mega-backdoor mechanics, pro-rata rule, state-level Roth treatment. Planning aid only, not a substitute for guidance from a qualified tax professional.
Roth Conversion Explorer

Should you convert some of your traditional IRA/401(k) to a Roth before retirement? Pay tax now at your known bracket, then grow and withdraw tax-free. Reduces future RMDs and Medicare surcharges.

This is an annual decision. Enter your income and conversion window, see the answer, then come back next year with updated numbers if things change.
The highest-leverage conversion window is before you retire

Once you stop working, income drops — but so does your control over it. RMDs starting at age 73–75 force withdrawals from your IRA whether you need the money or not, at ordinary income rates, in amounts that grow every year as your balance compounds.

The years between now and retirement are different. Your bracket is known. Your timeline is long. And every dollar you move to Roth now compounds tax-free for decades.

The question isn't whether to convert. It's how much, and when.

2 Your plan Set the conversion window by age
Convert $ from age through
Enter a window to see duration
3 Your tax picture
Current income comes from your Savings Estimator salary (in the left rail). Toggle on to grow it with your Annual Increase rate — compounded from today, so income at the window already reflects the raises between now and then.
Income grows with your Annual Increase
Conversion years:
In retirement:
The retirement-bracket estimate uses a simplified 4% IRA withdrawal as a retirement-income proxy. For precise bracket assumptions, switch off the Auto-Estimate toggle and enter your own current and retirement tax rates in Advanced options below.
Advanced options
Where do new contributions go in the conversion plan?
Relevant for younger savers choosing between Roth and Traditional contributions.
Stress-test your plan with a different return assumption. Used for retirement balance projection.
Use
%
instead
Assume future federal rates are higher
For users who believe TCJA expiration or other changes will push future brackets up. Adds this many points to the federal rate used in the retirement-bracket estimate. Default 0 = no change.
Add
pts
to the future federal rate
Skip the income-based estimate and enter your own combined marginal rates (federal + state). Overrides everything else in the tax picture.
%

Federal + state, during conversion window

%

Federal + state, in retirement

Start Now vs. Wait

See the cost of waiting. Compare starting today vs. delaying by 1, 3, 5, or 10 years.

Run the estimator above to see the comparison.
Investment Strategy Planner

Figure out how much to put into each account type based on your income and risk tolerance. Follows the classic priority order: get the employer match, then max tax-advantaged accounts. (2026 IRS limits)

$
%
% of your contribution
% of salary
Catch-Up Contribution Planner

If you're 50+, IRS rules let you contribute extra to 401(k) and IRA accounts. See how much more you could save. (2026 limits)

%
Historical Backtest

What if you had started saving with your current contribution plan 30 years ago? This compares your flat-rate projection against what actually happened in the S&P 500 — including the dot-com crash, 2008 financial crisis, and COVID. See how real market volatility would have affected your savings growth.

Quick Year-by-Year Breakdown
Year Annual Contribution Cumulative Contributions Total Investment Growth End Balance

Saved Scenarios

Scenario Updated Projected at retirement Target Status

Goal Simulator

Explore different savings scenarios — solve for the missing variable.

$

Auto-filled from "Your Savings Today" — edit to override. Applies to all simulators below.

$

The total balance you want to reach. Seeds the cards below and powers the Savings Estimator goal-gap insight.

Monthly Contribution

How much do I need to save each month to reach my goal?

$
yrs
%

Years to Goal

How many years will it take to reach my savings target?

$
$
%

Required Return

What annual return rate do I need to hit my savings target?

$
$
yrs

Future Balance

What will my balance be at a specific age given my current plan?

$
%

1. Personal Information

Tell us about you and your household.

Your profile

This information helps personalize your plan and projections.

years

Your age as of today.

years
years

Age you expect to live to.

years

Number of years to include in this plan.

These inputs drive many of your plan's projections, including income needs, portfolio longevity, and healthcare costs.

Household

Tell us about your household and partner.

Spouse / Partner

years
years
years

Age you expect your spouse / partner to live to.

Advanced: Survivor PlanningPlan for the future after the first death.

Portion of pension or income that continues to survivor.

%

Expected spending as a % of pre-death spending.

← Back to Workspace
Retirement planning

Retirement Planner

Model income, withdrawals, taxes, and spending — know exactly how long your money lasts.

Personal Information
Account Balances at Retirement
$
$
$
$
$
$
Income Sources
Social Security — You
$

Enter the benefit amount for the age you plan to claim. Find yours at ssa.gov/myaccount or on your annual SSA statement.

62 = reduced (~70%), 67 = full, 70 = max (~124%)

%

Annual cost-of-living adjustment. SSA historical avg ~2.5%. Set to 0 to model flat benefits.

Pension — Your pension income
$

Set to life expectancy for lifetime pension.

%
Employment / Other Earned Income (optional)
$

Age range for employment income.

Spending & Withdrawal Strategy
$

Adjusted annually for inflation.

Draw from brokerage accounts first, then traditional IRA, then Roth. RMDs are always taken.

When withdrawals are taken each year. Affects how much growth applies before money leaves the account. "Equal Throughout" models monthly withdrawals spread across the year.

Special Withdrawals/Deposits

Withdrawals

One-time or multi-year extra withdrawals added on top of regular spending. Set From and To to the same year for a single-year withdrawal. Month controls when in the year the withdrawal occurs (affects growth).

$
$
$

Deposits

One-time lump-sum deposits of after-tax money (e.g., home sale, inheritance, life insurance). Funds are added to your taxable account balance. Month controls when in the year the deposit occurs (affects growth).

$
$
$
Roth Conversion

Move money from Traditional IRA/401(k) to Roth. The converted amount is taxed as ordinary income in the year of conversion, but then grows and withdraws tax-free. Leave amount at $0 to skip.

$

Tip: Use the Roth Explorer strategy tool to find the optimal conversion amount, then enter it here to include it in your main projection.

Healthcare & Medicare

Adds Medicare Part B, Part D, Medigap, IRMAA surcharges, and out-of-pocket costs to your annual spending. Costs grow at the healthcare inflation rate. IRMAA surcharges are based on your MAGI from 2 years prior (e.g., your 2026 Medicare premiums are determined by your 2024 income). For the first two years of your projection, NestMint uses the optional Prior Year MAGI fields below. If left blank, years 1–2 assume no IRMAA surcharge.

Investment Assumptions
%
%
Tax Assumptions
Taxable Income Sources

Withdrawals from IRA/401k are always taxed as ordinary income. Check additional income types to include in your tax calculation.

$

Auto-set by filing status (2026 IRS amount).

$1,650/person MFJ, $2,050 single (2026). Only applies with standard deduction.

Up to $6,000/person ($12,000 MFJ). Phases out at MAGI > $75K single / $150K MFJ. Applies to both standard and itemized filers.

Determines tax brackets, standard deduction amounts, and LTCG thresholds.

%

Annual inflation adjustment for tax brackets, standard deduction, and LTCG thresholds. Set to 0% to use fixed 2026 levels. Historical IRS adjustments average ~2-3%.

Uses 2026 IRS tax brackets. Federal tax is computed progressively on taxable income after deductions.

Withdraws additional money from accounts to cover taxes on IRA/401k distributions, with gross-up when paid from IRA.

Also fund taxes on these income streams:

Withdraws additional money from accounts to cover taxes on selected income streams and Roth conversions, giving a more complete picture of account depletion. Note: paying conversion taxes from outside accounts is generally more efficient.

Taxes paid from brokerage first — IRA compounds without tax-funding draws.

Configure long-term capital gains tax rate, brokerage gain estimates, auto-harvesting, and loss carryforward.

Uses a single flat LTCG rate you choose below.

%

% of brokerage balance that is growth above your original investment. Applied every year unless dynamic gain % is enabled.

$

Retirement Dashboard

Simulation results for your retirement plan

View Inputs Edit Inputs
📋 Scenario Inputs
Current Balance
$0
Portfolio Draw iHow much your portfolio needs to cover each year after all income sources (Social Security, pension, employment). Early shows the average for years 1–5. Later shows the median from year 10 onward, typically higher due to Required Minimum Distributions. Special one-time withdrawals are excluded from both figures. Includes any tax payments funded from your portfolio, including tax owed on Roth conversions when tax-funding for conversions is enabled.
$0
avg yrs 1–5
$0
median yr 10+
Est. Years Funds Last
0
Est. Funds Final Year

Strategy Engine

No simulation has been run yet for this plan. Run your first simulation to see projected outcomes, tax totals, RMD and IRMAA figures, and a side-by-side of withdrawal strategies.

Portfolio Balance Over Time

Total portfolio value across all strategies.

Total Portfolio Value

Total portfolio value across all strategies — no percentile band.

Spending vs. Income

Income = Social Security, pension, and employment. Spending = the plan’s spending need.

Account Allocation Over Time

Distribution of accounts over time. Based on account balances.

Taxable Income Over Time

Includes SS, pensions, withdrawals, and conversions.

RMDs Over Time

Income Sources by Year

Tax Summary by Year

Spending & Withdrawals

Account Balance by Type

Tax Rate by Year

Healthcare Cost by Year

Retirement Strategies

Objective comparisons using the assumptions in your current retirement plan

⚠ For Informational Purposes Only — Results depend on your inputs and market assumptions. They are not financial, tax, or legal advice.

Plan Assumptions (from your current plan)

Customize & Run

Choose how strategies are ranked and run the engine using the assumptions in your current plan.

What the engine compares

Tests combinations of withdrawal order, Social Security timing, and Roth conversion schedules — every candidate is a full plan simulation under your current assumptions.

Each finalist is then stress-tested across 500 seeded market paths — the same paths for every strategy — and ranked by the outcome lens you choose.

Ready to compare strategies
Runs 500 seeded market paths per strategy using your current plan — this may take a few seconds.
Or compare saved scenarios side by side…
No saved scenarios yet. Save a scenario from the Retirement Planner input page first.
0 of 3 selected

Deep Dive

Advanced analysis, what-if scenarios, and strategy deep dives

Edit Assumptions
Scenario inputs
See the big picture, then dive into the details. Each section below helps you understand and adjust a key part of your plan.

Deep Dive Sections

More Tools

Roth Conversion Explorer

See how different Roth conversion strategies would affect your lifetime taxes, RMDs, and ending net worth. The Explorer runs your full retirement simulation with and without conversions and compares the results. Tax on conversions is fully included — the converted amount is added to your taxable income each year, taxed at your federal + state rate, and reflected in all totals. A positive result means the upfront tax cost is outweighed by tax-free growth and lower future RMDs. A negative result means conversion costs more than it saves in your scenario — both outcomes are possible and the Explorer shows you which applies.

When does Roth conversion help — and when does it hurt?

The core question is your tax rate today vs. your tax rate later.

Converting makes sense when your marginal rate during the conversion window is lower than the rate you'd pay on future RMDs. In that case, you prepay tax at a discount and all future growth is tax-free. The benefit compounds over 20–30 years and can be substantial.

Converting hurts when your current marginal rate equals or exceeds your expected future RMD rate. You'd be paying more tax today to avoid less tax later — a net loss that also compounds over time.

What drives the future RMD rate? Once large income sources like a pension or employment income end, your taxable income often drops significantly. Social Security and RMDs alone may put you in a lower bracket than you're in today — especially in the years before RMDs begin. That's typically where the opportunity lies.

What raises your current conversion rate? Pension income, employment income, and Social Security all stack on top of any conversion amount, pushing the marginal rate on the converted dollars higher. If your income is already high, conversions may land in the 24–35% federal bracket before state tax is added.

The Explorer below runs both scenarios for you and shows the actual dollar impact. Check the tax rate column to see what rate each strategy is effectively paying — and compare that to your projected RMD-year rate.

How much should I convert? Key considerations

There is no IRS limit on how much you can convert per year. However, bigger is not always better. Key trade-offs:

  • Tax bracket jumping: Each dollar converted is added to your taxable income. Large conversions push you into higher brackets (e.g., from 22% to 32% or 37%), meaning you pay a steep rate on the incremental dollars.
  • IRMAA surcharges: Conversions increase your MAGI, which Medicare uses (with a 2-year lookback) to set Part B & D premiums. Crossing thresholds can add $2,000–$8,000+/yr in premiums.
  • Paying tax now vs. later: You pay tax upfront on conversions. If your future tax rate (on RMDs) would be lower than your current marginal rate on the conversion, you may pay more tax than you save.
  • Deduction phase-outs: Higher income from conversions can reduce or eliminate the senior tax deduction ($6,000) and SALT deduction cap benefits.
  • Estimated tax penalties: Large late-year conversions can trigger IRS underpayment penalties if you haven't made sufficient quarterly estimated payments.

The sweet spot — if one exists — is typically converting enough to fill your current tax bracket without jumping to the next one, or staying below the first IRMAA threshold. For some users, the optimal conversion amount is zero: if your income during the conversion window already exceeds your projected RMD rate, conversion increases lifetime taxes rather than reducing them. The Explorer's tax rate column shows the effective rate you'd pay on each strategy so you can compare it directly to your expected future rate.

$
Optimizer Constraints

These constraints apply only to "Compare Scenarios". IRMAA cap keeps MAGI below the first surcharge tier. Max bracket limits conversions. Min liquidity ensures brokerage stays above this floor.

What-If Scenarios

Adjust assumptions and stress-test your retirement plan. Change return rates, life expectancy, inflation, SS timing, and spending to see how each affects your outcome.

Historical Backtest
Historical Backtest (1996–2025)
What if you retired 30 years ago with your current balances? This shows how actual S&P 500 returns — including the dot-com crash, 2008 financial crisis, and COVID — would have affected your portfolio over 30 years.
Growth only. This comparison shows pure investment growth — it does not subtract any spending, withdrawals, or taxes. The balances shown here will be higher than your retirement projection, which accounts for living expenses.
Your Projected Balance
(Flat Return Rate)
$0
Historical Balance
(Actual S&P 500)
$0
Based on S&P 500 Total Returns (incl. dividends). No withdrawals, spending, or taxes applied — this is a growth-only comparison. Historical returns do not guarantee or predict future performance.
Market Crash Stress Test
Market Crash Stress Test

How would your plan survive a major market crash? Pick a scenario, choose when the crash hits, and see the impact — including the recovery rally.

Saved Scenarios
No saved scenarios yet
Monte Carlo Simulation

Run your retirement plan through 5,000 seeded market paths sampling annual returns around your expected return. Instead of one straight-line projection, see the modeled success rate and the range of possible outcomes. Same inputs always produce the same results.

This runs 5,000 full simulations for deeper analysis (the Strategy Engine uses 500 per strategy for speed). Monte Carlo samples seeded annual returns around your return rate assumption — the same inputs always produce the same results. Results reflect modeled frequency, not prediction. Past performance does not guarantee future results.
Tax Strategy

Understand your effective tax rate in retirement and explore strategies to minimize lifetime taxes. Includes tax bracket analysis and the impact of relocating to a different state.

Brokerage Gain / Basis Estimator

A sanity check on the Gain % you've entered in Tax Settings. Enter your estimated embedded gain today, and this tool projects how the blended gain % in your brokerage will actually evolve over time — accounting for fully-taxed RMD inflows (which arrive at 100% basis) and investment growth (which adds pure gain). If the projected line diverges significantly from your flat assumption, your cap gains tax estimates may be off.

Your best estimate today — check your brokerage statement for unrealized gain. Leave blank to assume 0% (no embedded gain on Day 1). Note: a higher % is more cautious from a tax perspective.

%
These are rough estimates only. This tool uses simplified assumptions and cannot replace actual cost basis records from your brokerage statements. It does not account for: reinvested dividends, tax lots, wash sale adjustments, return-of-capital distributions, gifted or inherited securities, or any position-level detail. Always consult your brokerage statements and a qualified tax advisor for actual basis calculations. These projections are for planning illustration purposes only.
Risk Strategy

Comprehensive risk analysis with Monte Carlo success probability, tax burden, RMD exposure, and 5 more risk factors. Adjust the scenario sliders below to stress-test how changing assumptions affects your risk profile — without changing your main inputs.

Stress Test Assumptions
Base:
%
Base: %
%
Increase or decrease annual spending
%
Base: %
Historical Backtest (1996–2025)

What if you retired 30 years ago with your current balances? This shows how actual S&P 500 returns — including the dot-com crash, 2008 financial crisis, and COVID — would have affected your portfolio.

Withdrawal Strategy

Compare different withdrawal sequences to see which order of drawing from your accounts preserves wealth the longest. Your current withdrawal order setting from the inputs above is highlighted.

RMD Strategy

Review your projected Required Minimum Distribution schedule starting at your RMD age (73 or 75, set by your birth year), based on your projected IRA/401(k) balance at that age (not your current balance). RMD amounts are calculated using the IRS Uniform Lifetime Table. See how RMDs grow over time, their tax impact, and strategies to reduce them through early withdrawals or Roth conversions.

Spending Strategy

Evaluate whether your planned spending is sustainable. See your effective withdrawal rate, how it compares to common benchmarks, and when adjustments might be needed.

Healthcare Strategy

Model Medicare premiums, IRMAA surcharges, Medigap supplements, and out-of-pocket costs through retirement. Healthcare inflation (~5.8%) outpaces general inflation — see how it compounds and what share of your spending goes to medical costs.

Include Healthcare Costs in Simulation
Adds Medicare premiums, supplements, and OOP costs to your annual spending. IRMAA surcharges calculated from projected income.
Social Security Strategy

Compare claiming Social Security at different ages to see how each option affects your lifetime benefits, ending balance, and total income. Includes break-even analysis and COLA growth projections.

%

Cost-of-living adjustment applied each year. Historical average is ~2.6%.

Investment Allocation Strategy

Get age-appropriate asset allocation suggestions for your retirement accounts. See how shifting between stocks, bonds, and cash affects your projected outcomes over time.

Timeline Strategy

See a visual timeline of key retirement milestones — from Social Security eligibility and Medicare enrollment to RMD start dates, spending phase changes, and projected fund depletion. Understand what happens at each stage.

Tax Review

A year-by-year breakdown of the first 10 retirement years: where your taxable income comes from, how the tax breaks down by type, and which account funded each tax dollar. Useful for spotting bracket-creep and brokerage-drain patterns.

Validation & Debug

Inspect the year-by-year simulation data, export to CSV for external verification, and review engine diagnostics. Useful for validating results against your own spreadsheet or tax preparer’s projections.

Current Retirement Plan

Legacy Planner

Explore projected estate outcomes, inherited-account tax treatment, beneficiary impact, and federal and state estate-tax considerations.

Edit Retirement Plan
⚠ For Informational Purposes Only These projections are estimates to help you think about legacy planning. They are not legal, tax, or estate planning advice. Estate and inheritance laws vary by state and change over time. Consult a qualified estate planning attorney and tax advisor before making any decisions.
Scroll horizontally to view all columns →

Complete Retirement Projection Spreadsheet

Year-by-year projections of your retirement plan. Click any cell to see the math.

Timeline Portfolio Income RMDs & IRAs Spending & Healthcare Withdrawals Taxable Income & Gains Taxes Cash Flows Contributions End-of-Year Balances
Age Year Beg Bal Growth ⓘ SS Inc Pension Employ RMD ⓘ Exc RMD Primary IRA Beg ⓘ Spouse IRA Beg ⓘ Spend Need ⓘ HC Base HC IRMAA Spend W/D ⓘ IRA → Spend ⓘ Spcl W/D Ord Tax Inc Deduction ⓘ Est Tax Inc Brkt Room Brkt Used Roth Conv Cap Gain Cap L Used Net Gain Loss C/O Base Fed Base St CG Tax G-U Tax Tot Tax Spend W/D Spcl W/D Tax W/D Tot W/D Spcl Dep ⓘ Contrib ⓘ IRA/401k Roth Brokerage End Bal

Presentation: Spend Need is shown accounting-style — red parentheses denote a cash outflow. The underlying value is the plan’s spending target for the year; the CSV export carries the plain number.

Withdrawals: Spend W/D = withdrawal for living expenses. Spcl W/D = special withdrawal (also taxed). Tax W/D = withdrawal to fund taxes. Tot W/D = Spend W/D + Spcl W/D + Tax W/D. Spend W/D appears twice: once next to Spend Need (includes Spcl W/D) and again in the withdrawal math section (excludes Spcl W/D, shown separately).

Income & Tax: Ord Tax Inc = ordinary taxable income before deductions. Deduction = standard or custom deduction applied. Est Tax Inc = Ord Tax Inc − Deduction (estimated taxable income, ties to Tax Bracket Management). Roth Conv = amount converted from Traditional to Roth (included in Ord Tax Inc). Note: If the Enhanced Senior Deduction (One Big Beautiful Bill, 2025–2028) is enabled, you will see a step-down in the Deduction column in the first year after it expires — this is correct and reflects the provision's scheduled end date.

Bracket Fill (Tax-Smart): Brkt Room = how much IRA withdrawal room exists before hitting the target bracket ceiling (ceiling − base income). Brkt Used = actual IRA withdrawal taken to fill the bracket; this amount is included in Ord Tax Inc and taxed accordingly. If RMD exceeds the room, the excess is reinvested into brokerage. These columns are zero when not using Tax-Smart withdrawal order. Click any cell for the full breakdown.

Capital Gains: Cap Gain = gross capital gain from brokerage withdrawals. Cap L Used = capital loss carryforward applied against gains. Net Gain = Cap Gain − Cap L Used. Loss C/O = remaining capital loss carryforward.

Tax Computation: Base Fed = federal tax on ordinary income. Base St = state tax on ordinary income. CG Tax = Net Gain × LTCG rate. G-U Tax = gross-up tax from funding taxes via IRA. Tot Tax = Base Fed + Base St + CG Tax + G-U Tax.

SAVINGS ESTIMATOR

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Liabilities

Enter current balances, not original loan amounts.

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How this works

Optional. These entries calculate your broader net worth and do not change Savings Estimator or Retirement Planner projections.

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Financial Picture

Asset & Liability Overview

A broader net-worth view kept separate from the assets used in your retirement projection.

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Net Worth Summary

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Assets

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Net Worth Over Time

Built from the updates you save in this optional tool.

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Largest Assets

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Important: This overview includes assets and liabilities outside your retirement plan. Additional assets entered here are not used to fund modeled retirement spending unless separately entered through an existing NestMint retirement-planning input.

Budget Tracker

Track every dollar in and out — whether it's a paycheck or a pension.

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Income vs Expenses

Expense Breakdown

Monthly expenses by category

Inflation Projection

3%
NestMint Workspace

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Current retirement planReports reflect the analysis currently shown in your retirement plan.
Retirement planning

Core plan reports

Headline projections, detailed annual results, and complete plan exports.

Year by year

Retirement Data Export

Export the complete annual projection for further review in a spreadsheet.

Interactive

Charts & Spreadsheet

Open the current plan's charts, account balances, taxes, withdrawals, and annual spreadsheet.

Comparisons & analysis

Strategy and detailed analysis

Explore factual differences among withdrawal approaches and inspect every calculation.

Comparison

Strategy Engine

Compare withdrawal strategies against the same retirement-plan assumptions.

Tax planning

Roth Conversion Explorer

Review conversion comparisons, projected taxes, future RMDs, and ending wealth.

Other planning tools

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Accumulation

Savings Estimator PDF

Export the current savings projection, assumptions, and accumulation results.

Cash flow

Budget Tracker PDF

Export income, expenses, savings rate, and multi-year budget projections.

Estate

Legacy Analysis

Open beneficiary, estate-transfer, tax, and inheritance projections based on the current plan.

Planning information, not advice.Reports summarize the assumptions and modeled results in NestMint. They do not constitute investment, legal, or tax advice.

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