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Discount Calculator

Calculate savings, a discount percentage or a sale price.

Calculation mode

Enter both fields to see the current calculation.

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Last reviewed: Β· Testing methodology

How to use

Choose a mode and enter the original price plus the discount or sale amount.

1

Choose the calculation

Select savings, discount percentage or final price. Each mode uses different units for the second field.

2

Enter valid amounts

Use a positive original price, a 0–100% discount, or a nonnegative sale/discount amount no greater than the original.

3

Read the rounded result

Inspect savings, final price and percentage. Currency amounts are displayed in USD and rounded to cents.

Limits and questions

Inputs are processed in your browser. Analytics and advertising can make separate network requests.

A result you can check

Original $100 and sale $100 gives 0% discount. Original $100 and discount amount $100 gives a $0 final price.

Before using the result

Displayed results are rounded; the store’s final checkout determines the actual amount payable.

Frequently asked questions

Can the final price be zero?
Yes. A 100% discount or a discount amount equal to the original price yields a zero final price.
Are taxes and stacked coupons included?
No. This tool calculates one discount. Apply checkout-specific rules separately when tax, coupons or shipping affect the total.