Percentage Calculator

Free

Easily calculate percentages, increases, and decreases.

What is X% of Y?

What is% of=
22.5

X is what percent of Y?

is what % of=
20%

Percentage increase/decrease

Change fromto=
+50%

About Percentage Calculator

Calculate percentages, increases, and decreases instantly. Free online percentage calculator. No signup required.

How to Use Percentage Calculator

  1. Enter the values to calculate.
  2. View instant percentage results.
  3. Use for discounts, tips, markups, and more.

Features

  • Calculate percentage of a number
  • Percentage increase/decrease
  • Multiple calculation modes

Why Use This Tool?

  • Calculate discounts and tips
  • Figure out exam grade percentages
  • Compute markup and margins

Frequently Asked Questions

What calculations can I do?
Percentage of a number, percentage increase/decrease, and what percent one number is of another.
Is it free?
Yes, completely free.
How accurate is it?
Calculations are precise to multiple decimal places.
Can I use decimal percentages?
Yes. Enter any decimal percentage value.
Is there a mobile version?
Yes. The calculator is fully responsive on all devices.

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