Finance Calculators
Each calculator shows the formula it uses, a worked example and a breakdown you can check by hand. Everything runs in your browser: nothing you type is uploaded or stored.
Personal finance
Loans, savings, investing and take-home pay.
Loans and credit
- Credit Card Interest CalculatorMonthly interest, payoff time, minimums and balance transfers for one card.United States and United Kingdom
- Credit Card Debt Payoff CalculatorPay off several cards and loans: snowball vs avalanche, with a plan for Excel.United States
- EMI CalculatorEMI, total interest and a schedule by financial year.India
- Loan Comparison CalculatorTwo or three offers side by side, fees and early repayment included.
- Loan Repayment CalculatorPayoff date and interest saved by overpaying.
- Mortgage CalculatorPITI payment, PMI end date and amortization schedule.United States
Savings and planning
Business finance
Margins, cash flow and planning for small businesses.