Free Online Calculators & Converters
Fast, free, no-signup calculators for finance, business, and everyday math. Get an answer in one click. 8 tools and counting — no signup, no paywall, results as you type.
Business & Freelance
E-commerce
Math & Everyday
Personal Finance
- Credit Card Payoff CalculatorFind out how long it takes to clear a credit card balance and what the interest costs. Compare a fixed payment against a target payoff date, and see what minimum payments alone would cost you.
- Debt Snowball CalculatorSee your debt-free date with the snowball method. Enter up to five debts and an extra monthly payment to compare snowball vs avalanche vs minimum payments, month by month.
- Dividend Reinvestment CalculatorModel a DRIP over time: share count, portfolio value, annual dividend income, and yield on cost. Compare reinvesting dividends against taking them in cash, with taxes included.
- Mortgage Recast CalculatorCalculate your new mortgage payment after a lump-sum recast. Compare recasting against simply prepaying the same amount, and see the interest and years each option saves.
- Rule of 72 CalculatorEstimate how many years it takes to double your money at any rate of return, and see how far the Rule of 72 shortcut is from the exact answer. Works in reverse too.