Percentage Calculator
Choose the type of percentage calculation you need.
What is this tool?
The Percentage Calculator makes it easy to solve the most common percentage problems in everyday life — from calculating discounts while shopping, to figuring out tips, grade percentages, tax amounts, salary increases, and more. It has four modes to cover every common scenario.
How to use
- Select the type of calculation you need using the buttons at the top.
- Enter the required numbers in the fields provided.
- Click Calculate to see the result instantly.
Frequently Asked Questions
Is this tool free?
Yes, it is 100% free with no sign-up required.
How do I calculate a discount?
Use the Discount tab. Enter the original price and the discount percentage, then click Calculate. The tool shows exactly how much you save and the final price you pay.
How do I calculate a percentage increase or decrease?
Use the % Change tab. Enter the original value and the new value. A positive result means an increase; a negative result means a decrease.