Everyday math
made easy.
We help individuals and businesses accurately calculate loans, taxes, and daily metrics. Free, fast, and local to your browser.
Loan & Mortgage
Estimate monthly payments, interest, and amortization.
Use CalculatorRent vs Buy
Compare long-term costs of renting vs buying a home.
Use CalculatorSalary & Tax
Calculate take-home pay, taxes, and hourly rates.
Use CalculatorExtra Payment Simulator
Slash your interest costs and years off your loan term.
Use CalculatorAge Calculator
Calculate exact age in years, months, days and more.
Use CalculatorBMI Calculator
Check your Body Mass Index and healthy weight range.
Use CalculatorPercentage
Calculate percentages, percent change, and ratios.
Use CalculatorTip Calculator
Calculate tips and easily split the bill among friends.
Use CalculatorCompound Interest
See how your money grows over time with compound interest.
Use CalculatorAuto Loan
Calculate monthly car payments including tax and fees.
Use CalculatorRetirement
Project your future nest egg and monthly retirement income.
Use CalculatorUnit Converter
Convert between length, weight, temp, and more.
Use Calculator