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Percentage Off Calculator

Use this free percentage off calculator to find the discount percentage between an original price and a sale price. Enter both prices to instantly see what percent off the item is and how much you save in dollars.

Enter Values

The full price before any discount

The current discounted price

Result

Enter values above and click Calculate to see your result.

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Formula

Percent Off = ((Original - Sale) / Original) x 100

Subtract the sale price from the original price to get the dollar savings. Divide by the original price and multiply by 100 to convert to a percentage.

Worked Example

Original: $80, Sale: $60 Step 1: Dollar savings = $80 - $60 = $20 Step 2: Percent off = ($20 / $80) x 100 = 25% Result: The item is 25% off, saving you $20.

How to Calculate Percentage Off

Knowing the percentage off helps you compare deals across different stores and price points. A $20 discount on a $200 item (10% off) is a very different deal than $20 off a $40 item (50% off). This calculator reverses the sale price formula to tell you the exact discount percentage.
  • Percentage off lets you compare discounts on items at different price points
  • Useful for verifying store-advertised discount claims
  • If the sale price is higher than the original, the result will be negative (indicating a markup)
  • Combine with the Tax and Discount Calculator to see your full checkout savings

Knowing the true percentage off empowers you to make better purchasing decisions and spot genuinely good deals versus misleading promotions.

You can also calculate changes using our Sale Price Calculator, Tax and Discount Calculator, Final Price Calculator or Percentage Calculator.

Frequently Asked Questions

Can the sale price be higher than the original?

Yes, but then the result will be negative, meaning the item has been marked up rather than discounted.

How do I calculate dollars saved?

Simply subtract the sale price from the original price. The dollar savings is shown alongside the percentage off in this calculator.

Is 20% off $50 the same as $10 off $50?

Yes. 20% of $50 is $10, so both discounts result in the same $40 sale price. This calculator helps you convert between the two.

How do I compare deals from different stores?

Calculate the percentage off for each store using this tool, then compare the percentages. A higher percentage off means a better relative deal, though you should also compare the absolute dollar savings.

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Sale Price CalculatorTax and Discount CalculatorFinal Price CalculatorPercentage Calculator

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