Percentage Calculator

Calculate percentages, discounts, and increases easily.

What is % of
is what % of
Change from to

Free Online Percentage Calculator

Mathematics can be tough, but calculating percentages shouldn't be. Whether you are a student trying to solve a math problem, a shopper calculating a discount during a sale, or a business owner analyzing profit margins, our Percentage Calculator is here to help.

What Can You Calculate?

  • Percentage of a Number: Find out what 20% of 500 is. (Answer: 100)
  • What Percentage is X of Y: Useful for calculating test scores. For example, if you got 45 out of 50 marks, what is your percentage? (Answer: 90%)
  • Percentage Change: Calculate the increase or decrease between two values. Great for tracking sales growth or weight loss.

Real-Life Examples

1. Discounts: If a shirt costs $50 and has a 20% discount, simply enter "20% of 50" to see how much money you save ($10).

2. Tips: If your restaurant bill is $80 and you want to leave a 15% tip, use the calculator to find the exact amount ($12).