Percentage Calculator
Calculate percentages, percentage change, tips, discounts, and more with instant results.
What is X% of Y?
X is what % of Y?
Percentage Change
Increase / Decrease by %
Tip Calculator
Discount Calculator
About Percentage Calculator
Calculate percentages instantly — find what percentage one number is of another, calculate percentage change, increase or decrease values by a percentage, and more. Includes a tip calculator and discount calculator. Perfect for students, shoppers, business professionals, and anyone working with percentages.
Before You Use This Tool
A quick overview of what this page is good for, how it handles data, and what to expect before you start.
What It Does
- Calculate percentages, percentage change, tips, discounts, and more with instant results
Access & Privacy
You can use the main workflow without creating an account.
The core workflow is designed for fast in-browser use. Review the page inputs before pasting sensitive information.
Good Fit For
- Run quick estimates before opening a full spreadsheet.
- Check payments, totals, or changes during planning.
- Get fast answers for everyday finance calculations.
For repeated bulk jobs or advanced automation, dedicated desktop software may still be faster.