All Finance

Percentage Calculator

Work out percentages, increases, and decreases.

percentage-calculator.local
Result
Enter both values to see the result.

How to use it

  1. Pick the calculation you want.
  2. Enter the two values.
  3. Read the live result below.

About this tool

The percentage calculator handles the three everyday percentage questions: what a percent of a number is, what percent one number is of another, and the percentage increase or decrease between two numbers. Results update as you type. When a denominator would be zero, it tells you which value cannot be zero instead of showing a blank.

Examples

Input15 percent of 80
Output12
InputFrom 50 to 65
OutputA 30 percent increase

Common uses

  • Work out a discount or sales tax
  • Find a percentage change over time
  • See what fraction one number is of another
  • Check a tip or a markup

FAQ

Is anything I enter tracked?
No. Every calculation runs in your browser. Nothing you type is sent or saved.
What can it calculate?
What X percent of a number is, what percent one number is of another, and the percent increase or decrease between two numbers.
Do the results update as I type?
Yes. The answers recalculate live whenever you change a value.

Related tools

Embed this tool

Paste this snippet to put the tool on your own site. It runs entirely in the visitor's browser, the same as it does here.

<iframe src="https://tooldok.com/embed/percentage-calculator/" title="Percentage Calculator by Tooldok" width="100%" height="560" style="border:1px solid #16130d;border-radius:16px;max-width:720px" loading="lazy"></iframe> <p style="font:13px sans-serif"><a href="https://tooldok.com/tools/percentage-calculator/" target="_blank" rel="noopener">Percentage Calculator</a> by <a href="https://tooldok.com/" target="_blank" rel="noopener">Tooldok</a></p>