How to Calculate a Discount

When out shopping it is common to see sales offering a percentage discount, such as 20% off marked price.

To calculate a percentage discount we take the original price and divide it by 100. We then multiply that number by 100 minus the discount percentage.

It can be quite complicated to do this in your head so we've made this online discount calculator, where you enter the original price and the discount percentage, which shows the sale price of the product.

Try the Discount calculator for yourself (to the right on PC or below on a smartphone) to calculate shopping discounts. The currency used in the calculator is not important, simply enter values in your local currency.

If you find this free online discount calculator useful, please share it using the buttons below.

Discount Calculator

Please enter your values below and click calculate.



Calculated Results

Sale Price ($ £ €) - 0

You Save ($ £ €) - 0


If you'd prefer to do calcs offline, you can install the FREE Discount Calculator App for Android, iPhone, iPad, Amazon Kindle Fire and Windows Phone.

  •  Android

  •  iPhone/iPad

  •  Kindle

  •  Windows