Percentage Calculators

Fast percentage calculators for shopping, tips, tax, salary raises, interest, margins, and everyday money decisions.

Free tools

Choose a percentage calculator

Pick the calculator that matches your problem. Each tool gives the answer first, then explains the math in plain English.

Find what a percentage of a number equals in one step.

Calculate percent increase or decrease between an old value and a new value.

Calculate the final price after a percentage discount and optional sales tax.

Calculate a restaurant tip, split the bill, and see the total per person.

Add sales tax to a price or estimate the tax amount.

Estimate how money grows with compound interest over time.

Calculate simple interest using principal, rate, and time.

Convert between cost, selling price, profit margin, and markup.

Estimate how inflation affects buying power or salary value.

Calculate a raise amount, new salary, and raise percentage.

Estimate how a changed interest rate affects loan payments.

Convert a fraction into a percentage.