Percentage Calculators
Fast percentage calculators for shopping, tips, tax, salary raises, interest, margins, and everyday money decisions.
Choose a percentage calculator
Pick the calculator that matches your problem. Each tool gives the answer first, then explains the math in plain English.
What Is X Percent of Y? Calculator
Find what a percentage of a number equals in one step.
Core Percentage CalculatorsPercentage Change Calculator
Calculate percent increase or decrease between an old value and a new value.
Shopping CalculatorsDiscount Calculator
Calculate the final price after a percentage discount and optional sales tax.
Money CalculatorsTip Calculator
Calculate a restaurant tip, split the bill, and see the total per person.
Shopping CalculatorsSales Tax Calculator
Add sales tax to a price or estimate the tax amount.
Finance CalculatorsCompound Interest Calculator
Estimate how money grows with compound interest over time.
Finance CalculatorsSimple Interest Calculator
Calculate simple interest using principal, rate, and time.
Business CalculatorsMargin and Markup Calculator
Convert between cost, selling price, profit margin, and markup.
Finance CalculatorsInflation Impact Calculator
Estimate how inflation affects buying power or salary value.
Money CalculatorsSalary Raise Percentage Calculator
Calculate a raise amount, new salary, and raise percentage.
Finance CalculatorsLoan Interest Rate Change Calculator
Estimate how a changed interest rate affects loan payments.
Core Percentage CalculatorsFraction to Percentage Calculator
Convert a fraction into a percentage.