Discount calculator
See the final price after one or two discounts, and how much is really saved.
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Tool
What you get with the Discount Calculator
Final price and saving
Enter the original price and discount to see what is paid and how much is saved.
Stacked discounts
Add a second discount, such as an extra 10% at checkout, and see the true combined percentage.
Avoid pricing mistakes
Two discounts never add up simply; the calculator shows the real total so promotions are priced correctly.
Works for any currency
Results are plain amounts with two decimals, so they work for dollars, pounds, euros and more.
How to use the Discount Calculator
- Enter the original price.
- Enter the discount, and an extra discount if there is one.
- Read the final price and the total saving.
Questions
Are two discounts of 20% and 10% the same as 30%?
No. The second discount applies to the already-reduced price, so 20% then 10% is 28% in total.
How do I work out the original price from a sale price?
Divide the sale price by (1 − discount). For example, 80 after 20% off was originally 80 ÷ 0.8 = 100.