Percentage Calculator

Choose calculation

What is % of ?

Percentage Calculator Guide

Free percentage calculator for calculating percentages, percentage change, and finding what percent one number is of another. Easy and accurate results.

How it works
  1. Pick a calculation mode.
  2. Enter values.
  3. Run to get the result.
  4. Apply to pricing, grades, or stats.
Key features/options
  • Multiple modesPercent of, change, ratio.
  • Labeled fieldsPer formula type.
  • Browser mathInstant results.
  • FreeNo sign-up.
Common uses
  • Tips and tax.
  • Growth or decline rates.
  • Grades and scores.
  • Share of total.
Privacy & features
  • Not stored on servers.
  • Free.
  • Several formulas in one tool.
FAQ

What modes?

Percent of, change, and what percent one number is of another.

Rounded?

Sensible display precision.

Stored?

No.