Financial calculators

Free, no account needed, and nothing you type leaves your browser. Each calculator explains exactly how it works, and you can copy a link to share your results.

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Dividend Income Calculator

How much yearly and monthly income a dividend portfolio pays, with reinvestment and dividend growth.

Compound Interest Calculator

What a lump sum and regular monthly contributions grow to, in money of the day and in today’s money.

FIRE Number Calculator

The portfolio that covers your spending on its own, and how many years it takes to get there.

Coast FIRE Calculator

The amount that, left alone, grows into your full FIRE number by retirement age.

Savings Rate Calculator

Your savings rate, and what it means for the number of working years ahead of you.

Debt Payoff Calculator

When a loan or card is paid off, what it costs in interest, and what an extra payment saves.

Want more depth? The FIRE planning tools compare Coast, Barista, Lean and Fat FIRE and stress-test withdrawals, and the dividend tables cover 1,000+ stocks and ETFs.