All percentage calculators
Choose from 19 focused tools for everyday percentage calculations, with instant results and formulas you can verify.
Percentage of a number
Find any percentage of a number and see the formula beside the result.
Open calculator →02X is what percent of Y?
Find what percentage one number represents of another number.
Open calculator →03Allocation percentage
Allocate a percentage of a total and track the remaining amount or overage.
Open calculator →04Grade percentage
Convert points earned into a percentage score and letter-grade estimate.
Open calculator →05Percentage change
Compare an original value with a new value and learn the percentage change formula.
Open calculator →06Percentage increase
Add a percentage to a starting value and see the amount added.
Open calculator →07Compound growth
Apply the same percentage repeatedly and calculate cumulative growth or decline.
Open calculator →08Percentage decrease
Calculate a percentage decrease or reduction from an original value.
Open calculator →09Percentage difference
Compare two values without treating either one as the baseline.
Open calculator →10Percentage error
Compare an observed value with an accepted value and measure the error.
Open calculator →11Reverse percentage
Recover the original amount before an increase or decrease.
Open calculator →12Percentage off
Calculate percent off, savings, and the final price after a discount.
Open calculator →13Tip
Work out the tip, total bill, and cost per person.
Open calculator →14Tax & VAT
Calculate tax amount and the total including tax.
Open calculator →15Salary increase
Calculate a raise amount and the new salary after a percentage increase.
Open calculator →16Commission
Calculate commission earned and total compensation with optional base pay.
Open calculator →17Profit percentage
Measure profit or loss as a percentage of cost from known prices.
Open calculator →18Markup
Calculate markup amount and selling price from cost.
Open calculator →19Gross margin
Calculate gross margin percentage and profit from cost and selling price.
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