Discount Calculator
Enter an original price and a discount percentage to instantly see how much you save and what the final price will be.
About this discount calculator
Whether you are checking a store sale, an online coupon, or comparing deals, this calculator does the discount math instantly so you know exactly what you will pay.
How discount calculator works
The formula is: Discount Amount = (Original Price × Discount %) ÷ 100, and Final Price = Original Price − Discount Amount. For example, a $80 item at 25% off saves $20, making the final price $60.
Common uses
- Checking how much a sale actually saves you
- Comparing discount percentages across stores
- Working out a final price before checkout
- Calculating a bulk or wholesale discount
How to use this tool
- Enter the original price.
- Enter the discount percentage.
- See the savings amount and final price instantly.
What to know before using it
For stacked discounts (a coupon on top of a sale price), apply this calculator twice, once for the first discount, then again on the resulting price.
Privacy and browser-first processing
This tool runs entirely in your browser using JavaScript. Nothing you enter is uploaded or stored.
Frequently asked questions
How do I calculate 25% off $80?
Multiply 80 by 25, divide by 100, to get the discount: $20. Subtract that from $80 for a final price of $60.
How do I handle two discounts applied one after another?
Apply the first discount, take the resulting price, then run it through the calculator again with the second discount percentage.