Discount Calculator

Find the discount amount and final price from a percentage off.

Enter a value for all required fields.

About this calculator

Calculate how much you save and what you pay after a percentage discount.

How to use

  1. Enter the original price.
  2. Enter the discount percentage.
  3. See the discount amount and final price update automatically.
  4. Use Reset to clear inputs, or Copy to copy the result.

Formula

discountAmount = originalPrice × discountPercentage / 100
finalPrice = originalPrice − discountAmount

Example

Original price 100 at 20% off → discount 20, final price 80.

FAQ

How is the final price calculated?

Multiply the original price by the discount percent divided by 100, then subtract that amount from the original price.

Can the discount be over 100%?

No. Enter a discount between 0 and 100. Values outside that range show an error.

Results are for informational purposes only. Verify important calculations independently.