A percentage calculator is a simple online tool that helps you quickly and easily calculate percentages. This includes finding what percent one number is of another, calculating what a certain percent of a number is, and working out percent increases or decreases between values.
Our percentage calculator is fast, free, and requires no signup. Just choose your calculation type, enter your numbers, and see the result instantly!
Everything runs instantly in your browser for privacy—nothing is ever uploaded or saved.
Percentages are used everywhere: in finance, shopping, schoolwork, health, sports, and more. Calculating percentages helps you understand discounts, compare results, track growth, and communicate information clearly.
Whether you're splitting a bill, figuring out sales tax, working out your grade, or measuring performance, percentages make numbers easier to understand and compare.
A percentage calculator saves you time and ensures your math is always accurate.
No matter your goal, this tool makes percentage math simple and fast.