Free financial calculators

Calculators that show their work

Investing, buying a home, retiring early — every result comes with the year-by-year math behind it, and none of it needs an account.

Investment calculator

In 10 years you would have

$125,869

$10,000 to start and $500 a month at 10% a year. You put in $70,000 and earn $55,869.

Monthly contribution

Years

Every result comes with the year-by-year table it came from.

The math runs in your browser and works without an account. Nothing you type leaves your device unless you sign in and save it.

Your inputs live in the URL, so a link opens the same scenario for anyone.

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See how your investments grow over time as you change the contributions and the return rate.

See whether your taxable account can carry you from the day you retire early to the day your retirement accounts unlock.

Find out how many years of saving and investing it takes to afford the home you want — while its price keeps climbing.

Estimate your monthly mortgage payments based on home price, down payment, interest rate, and loan term.

Measure how much of your monthly income goes to debt, and check it against the ratios lenders look for.

See how much of your home you actually own in any given month — and what you would really walk away with after selling costs and capital gains tax.