Enter the original price of a good and the discount applied to that good into the Black Friday Calculator. This will return the new price and the amount being saved.

Black Friday Discount Formula

The following formula is used to calculate the new price of a good under a discount on Black Friday.

NP = OP - OP*D/100
  • Where NP is the new price
  • OP is the original price
  • D is the discount %

To calculate the Black Friday discount, subtract the product of the original price and the discount rate from the original price.

Black Friday Discount Definition

A Black Friday discount is simply a reduction of price on an item due to a sale on Black Friday.

How to calculate a black Friday discount?

How to calculate a Black Friday Discount

  1. Determine the normal price

    This is the original price of a good without any discounts applied.

  2. Next figure out the discount %

    This is typically displayed clearly on the item, however, sometimes it’s not so apparent. Be sure to check to make sure you are getting the best deal.

  3. Calculate

    Calculate the final price and total savings using the information from steps 1 & 2 and plugging them into the calculator/formula.


What is Black Friday?

Black Friday is a day immediately following Thanksgiving that happens every year in the United States. It’s a day in which stores offer huge discounts on items in order to entice people to buy all of their holiday gifts at that moment.

What is a good discount?

On Black Friday discounts should be significantly more than normal. Anything under 25% OFF is not a good deal.

What’s the equivalent discount of buy 1 get 1 free?

A buy 1 get one free is the same as a 50% discount.