About the Percentage Calculator
The Percentage Calculator handles every common percentage problem — what is X% of Y, what percent X is of Y, and percentage increase or decrease. Get instant, accurate answers for school, work and shopping.
How to use the Percentage Calculator
- Choose the type of percentage calculation.
- Enter your numbers.
- See the answer calculated instantly.
Frequently Asked Questions
How do I find X% of a number?
Enter the percentage and the number; the calculator multiplies them (e.g. 20% of 150 = 30).
How do I work out a percentage increase?
Enter the original and new values and the tool returns the percentage change between them.
Can it calculate discounts?
Yes — use the "percentage of" mode to quickly find a sale price or discount amount.
Is the Percentage Calculator free?
Yes, it is free with no sign-up required.