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Original Price Calculator

What was the original price?

Enter the sale price and the percent off to see the price before the discount.

One Click Answers · Original Price Calculator
oneclickanswers.com/original-price-calculator · Printed
About this tool & how to use it

What it does

Finds the price before a discount from the sale price and the percent off.

How to use it

  1. Enter the sale price you see.
  2. Enter the percent off.
  3. Read the original price and what you saved.

One click answer

Your answer will appear here.

Fill in the form and your answer will appear here.

Everything is calculated in your browser: the prices and numbers you enter are never sent anywhere or stored. We do not know any store's prices or tax rates, and these results are arithmetic, not advice to buy.

Assumptions

  • This undoes a percent discount. It cannot tell whether the original price was ever really charged.
  • The percent off must be less than 100.

Printed from oneclickanswers.com. Results are estimates based on what was entered; see the assumptions above.

How it works

Sale price = original price x (1 - percent off). So original = sale price / (1 - percent off).

An $80 sale price after 20% off: $80 / 0.80 = $100.00, so you saved $20.00.

Assumptions

  • This undoes a percent discount. It cannot tell whether the original price was ever really charged.
  • The percent off must be less than 100.

Example

Input: The starting values already in the form

Result: The price before the discount was $100.00.

Questions

How do I find the original price from a sale price?

Divide the sale price by one minus the discount as a decimal. For 20% off, divide by 0.80.

Why is it not just adding 20%?

Because 20% off is 20% of the original price, not of the sale price. $80 plus 20% is $96, not $100.

Last reviewed 2026-10-04.

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