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Investing calculators

Model compounding, fees, portfolio choices, college savings, and long-term wealth-building tradeoffs.

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Cards show what the calculator decides, the inputs it needs, and where the result should lead next.

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Choose the decision you need to run.

Start with Money Map
4 min
High impactPopular

Capital Gains Tax Calculator

Apply user-entered federal tax-rate scenarios to a nonnegative stock or crypto gain.

Decides

Primary result | Risk note | Next action

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6 min
High impactPopular

Investment Return Calculator

Project portfolio growth from starting balance, contributions, return assumptions, fees, inflation, and taxes.

Decides

Future value | Growth earned | Contribution total

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6 min
High impactPopular

Retirement Drawdown Stress Test

Stress-test how long a retirement portfolio may last under withdrawals, inflation, expected returns, a first-year market shock, and a cash-bucket buffer.

Decides

Starting withdrawal rate | stress withdrawal rate | cash bucket gap

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6 min
High impactPopular

Retirement Income Planner

Estimate monthly retirement income, after-tax spendable cash, portfolio reliance, fixed-income coverage, and the gap versus target spending.

Decides

After-tax income | monthly gap | fixed-income coverage

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6 min
High impactPopular

Retirement Paycheck Builder

Turn Social Security, pension, portfolio withdrawals, healthcare costs, tax withholding, and cash reserves into a monthly retirement paycheck plan.

Decides

Spendable paycheck | withdrawal rate | cash bucket gap

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4 min
High impactEmbeddable

Compound Interest Calculator

Project a fixed monthly-compounding return scenario with end-of-month contributions and clear exclusions.

Decides

Future value | Growth earned | Contribution total

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6 min
High impactEmbeddable

ESPP Qualifying vs Disqualifying Disposition Calculator

Compare simplified federal tax components for qualifying and disqualifying Section 423 ESPP sales.

Decides

Winning option | Dollar difference | Break-even point

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4 min
High impactEmbeddable

Tax-Loss Harvesting Scenario Calculator

Screen how entered investment losses may offset gains, ordinary income, and future years.

Decides

Winning option | Dollar difference | Break-even point

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4 min
PopularEmbeddable

Investment Fee Scenario Comparison Calculator

Compare two entered annual-fee scenarios while holding gross return and contributions constant.

Decides

Future value | Growth earned | Contribution total

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6 min
PopularEmbeddable

Net Worth Projection Calculator

Calculate current net worth and separate five-year and target-age projections using consistent effective monthly growth assumptions.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Inflation-Adjusted Return Calculator

Convert nominal return into real return after inflation, fees, and taxes.

Decides

Primary result | Risk note | Next action

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4 min
Embeddable

Portfolio Rebalancing Calculator

Find the trades needed to bring a portfolio back to target allocation.

Decides

Primary result | Risk note | Next action

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4 min
Embeddable

Risk Tolerance Calculator

Translate time horizon, drawdown comfort, and liquidity needs into a sample risk allocation.

Decides

Primary result | Risk note | Next action

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6 min
New

529 vs. Brokerage vs. Student Loan Scenario Calculator

Compare simplified education-funding scenarios using entered returns, tax assumptions, flexibility, and capped student-loan principal.

Decides

Winning option | Dollar difference | Break-even point

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4 min
Embeddable

Alternative Investment Capital Call Planner

Model private-fund capital calls and size a cash reserve using a user-selected share of estimated uncalled capital.

Decides

Winning option | Dollar difference | Break-even point

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4 min
Embeddable

Alternative Investment Liquidity Calculator

Compare locked-up and liquid investment scenarios at user-entered returns without treating the modeled difference as an earned premium.

Decides

Required monthly amount | Projected gap | Target date

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2 min
Embeddable

Annuity Payout Calculator

Calculate the level monthly payout a fixed period-certain annuity would pay from a lump-sum principal, interest rate, and payout period.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Asset Location Calculator

Estimate simple cumulative tax drag for interest-bearing assets in a taxable-account scenario; the model does not value future withdrawal taxes or account constraints.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Charitable Giving Appreciated Stock Calculator

Estimate tax-effect scenarios for a direct appreciated-stock gift without determining deductibility.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Charitable Remainder Trust Scenario Estimator

Model a fixed-term charitable remainder trust payout and simplified present-value remainder using a Section 7520 rate entered.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

College Savings Calculator

Estimate an enrollment-date four-year cost and monthly savings scenario.

Decides

Future value | Growth earned | Contribution total

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4 min
Embeddable

Concentrated Stock Diversification Calculator

Estimate a pro-rata gain and tax scenario for selling an entered share of a concentrated position.

Decides

Required monthly amount | Projected gap | Target date

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2 min
Embeddable

Dividend Income Calculator

Estimate dividend income at an entered yield and tax-rate scenario without assuming every distribution is qualified.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Dollar-Cost Averaging vs Lump Sum Calculator

Compare investing a lump sum all at once against spreading the same total amount evenly across several months — the real math behind why lump sum tends to win.

Decides

Winning option | Dollar difference | Break-even point

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4 min
Embeddable

Donor-Advised Fund Bunching Calculator

Compare federal deduction scenarios for annual giving versus donor-advised-fund bunching using current assumptions you enter.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Education ROI Calculator

Weigh the total cost of a degree, including foregone income while in school, against its lifetime salary premium to see how many years it takes to break even.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Estate Liquidity Calculator

Estimate a flat-rate federal estate-tax and liquidity scenario from user-entered assumptions.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

ETF vs Mutual Fund Tax Cost Calculator

Compare two entered annual taxable-distribution scenarios while holding gross return constant.

Decides

Winning option | Dollar difference | Break-even point

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4 min
Embeddable

Executive Deferred Compensation Calculator

Compare simplified after-tax growth scenarios for deferring compensation versus taking and investing it now.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Future Value Calculator

Calculate the future value of a lump sum and recurring contributions.

Decides

Future value | Growth earned | Contribution total

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4 min
Embeddable

GRAT Calculator

Model a simplified zeroed-out GRAT annuity and remainder scenario using entered growth and Section 7520 rates.

Decides

Required monthly amount | Projected gap | Target date

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2 min
Embeddable

Healthcare Cost in Retirement Calculator

Project a user-supplied annual healthcare budget across retirement as a nominal cost scenario using an assumed growth rate.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Household Balance Sheet Risk Calculator

Calculate two simple household balance-sheet ratios from entered assets and liabilities.

Decides

Primary result | Risk note | Next action

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2 min
Embeddable

ILIT Premium Funding Calculator

Compare an ILIT premium with an entered annual-exclusion capacity scenario.

Decides

Required monthly amount | Projected gap | Target date

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2 min
Embeddable

Illustrative Asset Allocation Calculator

Explore a transparent age-and-risk allocation rule as an educational starting point.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

ISO Exercise Calculator

Estimate ISO exercise cash and a simplified AMT reserve from positive spread and a user-entered tax-rate assumption.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Liquidity Event Tax Calculator

Combine entered federal, NIIT, and state rate scenarios for a liquidity-event gain.

Decides

Primary result | Risk note | Next action

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4 min
Embeddable

Margin Call Stress Calculator

Estimate a single-position margin-call price using entered initial equity and broker maintenance-margin assumptions.

Decides

Primary result | Risk note | Next action

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4 min
Embeddable

Muni Bond Tax-Equivalent Yield Calculator

Estimate tax-equivalent yield using entered tax assumptions for the taxable comparator.

Decides

Primary result | Risk note | Next action

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4 min
Embeddable

NSO Exercise Calculator

Estimate a nonnegative NSO spread, entered-rate tax reserve, and cash requirement.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Pension Lump Sum vs Annuity Calculator

Compare a pension guaranteed monthly annuity against taking the lump sum and generating your own income from it at an assumed investment return.

Decides

Winning option | Dollar difference | Break-even point

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4 min
Embeddable

Portfolio Income Tax Calculator

Apply two entered rates to favorable and ordinary portfolio-income buckets.

Decides

Primary result | Risk note | Next action

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6 min
Embeddable

Pre-IPO Equity Outcome Calculator

Compare highly simplified entered-rate tax scenarios for exercising equity now versus waiting.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Present Value Calculator

Discount a future amount back to today using a required return or inflation rate.

Decides

Future value | Growth earned | Contribution total

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4 min
Embeddable

Private Credit Allocation Calculator

Model a user-selected private-credit allocation cap and compare entered gross yields with a public-credit scenario.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

QSBS Exclusion Scenario Calculator

Screen gain using acquisition-date, holding-period, basis, and rate assumptions under current Section 1202 tiers.

Decides

Required monthly amount | Projected gap | Target date

Run calculator
2 min
Embeddable

Required Return Calculator

Solve for the annual rate of return a lump sum needs to earn to grow from today's value to a target value by a future date.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Retirement Withdrawal Readiness Heuristic

Apply a deterministic planning score to withdrawal rate, stock allocation, and retirement horizon without claiming a simulation or success probability.

Decides

Primary result | Risk note | Next action

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2 min
Embeddable

Safe Withdrawal Rate Calculator

Apply a safe withdrawal rate like the classic 4% rule to a portfolio to see the annual income it can sustainably support, and the portfolio size needed for a target income.

Decides

Required monthly amount | Projected gap | Target date

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4 min
Embeddable

Sequence Risk Calculator

Compare two simplified retirement return-order scenarios with identical period averages and fixed withdrawals.

Decides

Primary result | Risk note | Next action

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6 min
Embeddable

Taxable vs Tax-Advantaged Calculator

Compare simplified after-tax taxable and tax-deferred annual-contribution scenarios, including final taxable-gain tax.

Decides

Winning option | Dollar difference | Break-even point

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4 min
Embeddable

Term vs Whole Life Calculator

Illustrate the future value of the signed premium difference between entered term and whole-life scenarios.

Decides

Winning option | Dollar difference | Break-even point

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