Percentage calculator

Four common percentage questions in one place. Fill in the box that matches your question and the answer appears right away.

How to calculate a percentage

  1. 01Pick the question that matches yours, such as "What is X% of Y?".
  2. 02Type the two numbers. The result updates as you type.
  3. 03Use the formula under the calculator if you want to check the working by hand.

FAQ

Divide 20 by 100 to get 0.2, then multiply by 150. The answer is 30.