Calculators

Calculators to let you tinker with financial projections and other goal-setting around your money.

Latest Articles

Mortgage calculator: Peep the full PITI before you purchase
April 12, 2026

Mortgage calculator: Peep the full PITI before you purchase

See your monthly payment breakdown for principal, interest, taxes, and insurance (PITI) in a fancy amortization schedule.

Savings goal calculator: Scratchpad your next money goal
April 11, 2026

Savings goal calculator: Scratchpad your next money goal

Whether you're saving for a home down payment, vacation, or emergency fund, this calculator shows exactly how much to set aside each month.

Compound interest calculator: See how your money grows over time
April 2, 2026

Compound interest calculator: See how your money grows over time

Use this calculator to forecast how your savings and investments will grow via compound interest.

Coast FIRE calculator: Figure out your coastFI number
March 19, 2026

Coast FIRE calculator: Figure out your coastFI number

Coast FI is an early milestone in the financial independence movement that unlocks new mid-career and lifestyle options.

FIRE number calculator: How much do you need to retire early?
February 10, 2026

FIRE number calculator: How much do you need to retire early?

Use this napkin-math "freedom formula" to get an initial idea of your financial independence finish line.

Debt payoff calculator: Make a plan to banish ‘debt drag’ for good
January 20, 2026

Debt payoff calculator: Make a plan to banish ‘debt drag’ for good

See how long it'll take to pay off your debt, along with how extra payments will adjust your timeline.

50/30/20 budget calculator: Make the breakdown really simple
January 15, 2026

50/30/20 budget calculator: Make the breakdown really simple

This approach splits your take-home pay into needs, wants, and savings to keep things dead-simple.