Percentage Calculator

Percentage Calculator

Provide any two values and click Calculate to get the third.

Basic Percentage Calculator

% of =

Percentage Calculator in Common Phrases

what is % of
is what % of
is % of what

Percentage Difference Calculator

Using the formula: |A - B| / ((A + B)/2) × 100

Percentage Change Calculator

Provide any two values and choose Increase or Decrease.

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Free Online Percentage Calculator – Fast & Accurate

Our free Percentage Calculator helps you solve any percentage problem in seconds. Whether you want to find X% of Y, calculate a percentage difference, or work out a percentage increase or decrease, this tool delivers instant results. Perfect for students, teachers, business owners, and anyone needing quick calculations.

Key Features

  • Basic Percentage Calculator – Enter any two values and get the third instantly.

  • Common Phrase Calculators – “What is X% of Y”, “X is what % of Y”, and “X is Y% of what”.

  • Percentage Difference Calculator – Find the difference between two numbers in %.

  • Percentage Change Calculator – Calculate increase or decrease percentages easily.

  • Responsive & Mobile-Friendly – Works perfectly on smartphones, tablets, and desktops.

How to Use the Percentage Calculator

  • Choose the type of calculation (basic %, difference, or change).

  • Enter the known values.

  • Click Calculate to get the result instantly.