Percent Calculator

Calculate percentages quickly. Free online percent calculator for finding percentages of numbers and more.

The Percent Calculator handles all your percentage calculations in one convenient tool. Calculate what percent one number is of another, find a percentage of a number, or determine the whole from a percentage and part. This versatile calculator is essential for shopping discounts, tip calculations, grade computations, and countless everyday scenarios where percentages come into play.

Common use cases

  • Calculating sale discounts while shopping
  • Computing tips at restaurants
  • Determining grade percentages
  • Financial markup and margin calculations
  • Tax calculations

How to use

  1. Choose the type of percentage calculation
  2. Enter the required values
  3. Click calculate for instant results
  4. View the step-by-step solution
  5. Copy the answer for your use

FAQ

How do I find what percent A is of B?

Divide A by B and multiply by 100. For example, 25 is what % of 50? (25÷50)×100 = 50%.

How do I find X% of a number?

Multiply the number by X/100. For 20% of 150: 150 × 0.20 = 30.

How do I calculate percentage increase?

Use the percentage change calculator for increases and decreases between values.

What's the difference between percent and percentage points?

Percent is relative, percentage points are absolute. Going from 10% to 15% is a 5 percentage point increase but a 50% relative increase.