10 free calculators · no sign-up
Financial calculators that show their work
Loans, mortgages, debt payoff and savings, worked out month by month, with the formula, a full schedule and every assumption on the page.
Calculators by topic
All calculatorsLoans & Mortgages
4 calculators
Payments, schedules and payoff dates for loans, car finance and mortgages.
- Loan Calculator Payment and full schedule for a new loan
- Loan Payoff Calculator Pay off an existing loan or mortgage early
- Auto Loan Calculator Car payment with trade-in, tax and fees
- Mortgage Calculator Monthly payment with tax, insurance and PMI
Debt
2 calculators
Plans for clearing credit cards and other debts, with a payoff date for each.
- Credit Card Payoff Calculator Clear a card, and what minimums cost
- Debt Payoff Planner Several debts: snowball vs avalanche
Saving & Investing
4 calculators
Growth, goals and withdrawals for savings and investments.
- Compound Interest Calculator What your savings grow to
- Savings Goal Calculator How much to save each month
- Withdrawal Calculator How long your money lasts
- CAGR Calculator Yearly growth rate of an investment
Common questions, worked out
- Mortgage What will my mortgage cost each month? Example: $400,000 home, 20% down, 6.5% over 30 years: $2,022.62 a month in principal and interest. Try the Mortgage Calculator
- Loans How much sooner could I pay off my loan? Example: $150,000 at 6%, paying $200 extra a month: 4 years 9 months sooner, $28,347.23 less interest. Try the Loan Payoff Calculator
- Debt How long will my credit card take to clear? Example: $5,000 at 22% APR, paying $200 a month: 2 years 10 months, $1,749.90 of interest. Try the Credit Card Payoff Calculator
- Debt Which debt should I pay off first? Example: Three debts, $200 extra a month: highest rate first saves $44.83; smallest balance first clears a debt 10 months sooner. Try the Debt Payoff Planner
- Saving How much should I save each month? Example: $30,000 in 5 years with $5,000 saved at 4.5%: $353.58 a month. Try the Savings Goal Calculator
- Saving How long will my money last? Example: $500,000 at a steady 5%, taking $3,000 a month: 23 years 10 months. Try the Withdrawal Calculator
What every calculator gives you
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Method shown
Every calculator shows its formula, a worked example and the assumptions it makes, so you can check the answer.
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Checked twice
Results are tested against an independent calculation in exact decimal arithmetic and compared with other published calculators.
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Private
Everything runs in your browser. No sign-up, and the numbers you type aren’t sent to our server.
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Download and print
Every schedule exports to CSV for Excel or Google Sheets, and prints cleanly with your inputs listed.