The original calculator was invented in the 17th century by a Frenchman called Blaise Pascal! He was just 18 years old, and wanted to help his father do his tax calculations.

Use our percentage calculator to work out increases, decreases or percentage differences. Common uses include calculating tax, savings increases, tips on a restaurant bill, or cash back …

The percent calculator helps you to calculate values related to percentages, complete with tricks and explanations.

Jun 27, 2025 · Percentage calculators find percent increase, decrease, change, or difference. Convert percent to decimal, percent to fraction. Calculate tip, tax, or discount given a percentage.

Calculate percentages easily and accurately with the Percentage Calculator. Ideal for educational, financial, or general use; this intuitive tool simplifies all your percentage-related calculations.

A versatile percent calculator. You can calculate percent change, as well as find the percent difference between any two numbers with this free percentage calculator.

This easy and mobile-friendly calculator will calculate a certain percent of a number. For example, what is 20% of 200? Just type into the box and your calculation will happen automatically.

Instructions for using all calculators appears at the bottom of the page. Select from the calculators below to quickly solve your percentage problems. The calculations help you find. Descriptions …

Use our free percentage calculator to solve percent problems fast. Get instant answers, easy steps, and examples for maths and daily life.

Our percentage calculator shows detailed information on how to figure out percentages. The calculator has 3 modes: x percent of y, x is what percent of y and x is y percent of what …