Financial calculators that actually get it right
Clear, fast and reliable tools for mortgages, compound interest, retirement, rent vs buy and everyday money decisions. Works great on your phone โ and you don't even need an account.
All calculators
Pick a tool below. Each one is free, private and works on any device.
Compound Interest Calculator
Calculate compound interest growth on savings or investments. See how your money compounds monthly, quarterly or yearly, with a full balance schedule.
Mortgage Calculator
Estimate monthly mortgage payments, total interest and a full amortization schedule. Compare rates, terms and down payments instantly.
Rent vs Buy Calculator
Compare renting vs buying a home over your chosen time horizon, factoring in purchase costs, maintenance, rent growth and investment returns.
Loan Amortization Calculator
Full loan repayment schedule with principal, interest and remaining balance for every payment period. Perfect for auto and personal loans.
Retirement Savings Calculator
Estimate how much you need to save for retirement and whether your current contributions are on track for your goal.
Emergency Fund Calculator
Work out how much you should keep in an emergency fund and how long it takes to build it with regular contributions.
Savings Goal Calculator
Find out how much to save each month to reach a savings goal by a target date, with or without interest.
Net Worth Calculator
Add up all your assets and liabilities to get your net worth instantly. See where your money stands today.
Debt Snowball Calculator
See how fast you can become debt-free with the snowball method, and how much interest you can save by targeting small debts first.
Percentage Calculator
Fast, accurate percentage math: percent of a number, percent change, and percentage increase or decrease.