Free calculator library
Money calculators
Quick, clear calculations for everyday spending, saving and borrowing.
Percentage calculatorFind a percentage of any number.Percentage change calculatorMeasure the increase or decrease between two values.Discount calculatorSee the saving and sale price after a discount.Tip calculatorCalculate a tip and split the total between people.Sales tax calculatorAdd tax to a price or find the tax amount.Loan payment calculatorEstimate a fixed monthly payment for a loan.Compound interest calculatorEstimate growth when interest earns interest.Savings goal calculatorPlan a monthly amount to reach your savings target.Simple interest calculatorEstimate interest without compounding.Mortgage payment calculatorEstimate a monthly principal-and-interest payment.Monthly budget plannerTurn monthly take-home income into spending amounts.Profit margin and markup calculatorCompare profit, margin and markup from cost and price.Blog income calculatorEstimate ad revenue and affiliate income from page views and RPM.Hourly to salary calculatorEstimate annual, monthly and weekly gross pay from an hourly rate.
How to use these calculators
Choose a calculator, enter values in the units shown and select Calculate. Review both the result and the formula notes. These tools are designed for general information; local taxes, fees, lender terms and individual health factors can change what applies to you.