Money math,
beautifully simple.
Bold, lightning-fast finance calculators that update live as you type.
Compound Interest
See how your money grows with compounding and regular contributions.
Open calculatorLoan Calculator
Estimate your monthly payment and total interest on any loan.
Open calculatorSavings Goal
Find the monthly amount you need to save to hit a target.
Open calculatorROI Calculator
Calculate return on investment and your annualized return.
Open calculatorPercentage Calculator
Work out percentages, percentage change, and X is what % of Y.
Open calculatorTip Calculator
Calculate the tip and split the bill between any number of people.
Open calculatorInflation Calculator
See how inflation changes the purchasing power of your money.
Open calculatorDebt Payoff
Compare the snowball and avalanche methods to clear debt faster.
Open calculatorDiscount Calculator
Find the final price and how much you save in a sale.
Open calculatorHours of Work to Afford
See how many hours you must work to buy something.
Open calculatorUniversal by design
Pick any currency symbol and number format. The math is the same everywhere.
Fast & private
Everything runs in your browser. No accounts, no tracking, no waiting.
Actually explained
Every tool shows the formula, a worked example and a tip — not just a bare number.