Financial calculators for smarter money decisions

CompoundGenius helps you model real financial choices — from paying off debt and buying a home to investing, saving, and planning for retirement.

No sign-up. No ads. No clutter. Just clear numbers to help you make smarter financial moves.

by Gabriel Hitt

All Calculators

See how your money could grow over time based on your starting balance, contributions, return rate, and timeline.

Estimate your monthly home payment, including principal, interest, taxes, insurance, and loan term.

Calculate monthly payments and total interest for auto, personal, student, or other fixed-term loans.

Project your future retirement savings based on your age, contributions, current balance, and expected return.

Break down your income across bills, savings, debt, and spending to see where your money is going.

See how long it will take to pay off your balance, how much interest you'll pay, and how extra payments can help.

Measure the return on an investment by comparing your initial cost, final value, profit, and growth rate.

Find out how much you need to sell or earn before your business, product, or investment becomes profitable.

Estimate your federal income tax based on your income, deductions, filing status, and taxable earnings.

Calculate how much you need to save each month to reach a specific goal by your target date.