Discount calculator
Calculate sale price, discount amount and discount percentage.
Fill in the fields and the result will appear here automatically.
How it works
The discount calculator finds the final price, amount saved and original price before a discount. It helps with online shopping, sale labels, promo codes and price comparisons. Use it when a discount is shown as a percentage, a fixed amount or when you need to work backward from the final price.
Formula and logic
For a percentage discount, the calculator multiplies the original price by the discount rate and divides by 100. That gives the amount saved, which is then subtracted from the original price. For example, 25% off a $200 item saves $50 and leaves a final price of $150. For a fixed discount, the calculator subtracts the discount amount directly. Reverse discount works from the final price back to the original price. If the final price is after 20% off, it represents 80% of the original price, so the final price is divided by 0.8. The order of discounts matters. A promo code applied after a store discount is usually calculated from the already reduced price, not from the first listed price.
Example
Suppose a jacket costs $120 and the store offers 15% off. You enter 120 as the original price and 15 as the discount. The calculator shows a saving of $18 and a final price of $102. If you also have a $10 promo code, you subtract it after the percentage discount and pay $92. This separates percentage savings from fixed discounts and makes the real checkout price clearer. If shipping costs $8, the practical deal is $100, not just the sale price shown on the product page.
Tips
A large discount does not always mean the best deal. Some stores raise the list price before a sale, so compare the final price with other sellers. Also check shipping, minimum order value, membership requirements and whether the promo code applies to the whole cart or only selected items. Multiple discounts should be calculated one by one, because 30% off and then 10% off is not the same as 40% off. For groceries, subscriptions or bulk purchases, compare the price per unit rather than the headline discount. The most useful number is the final amount you will actually pay, including fees and delivery, not the largest percentage on the banner. For expensive items, review warranty and return terms too before checkout.
Useful for
- — Compare several discount calculator scenarios before making a decision.
- — Check how the result changes when one input changes.
- — Share a pre-filled link when you need to discuss the numbers with someone.
Check before using
- — Verify all input units before using the result.
- — Treat the output as a reference estimate, not a final professional decision.
- — Recheck official rates, product sizes or terms when they affect the result.
Common mistakes
- — Mixing units or currencies in the same calculation.
- — Forgetting reserve, fees or local rules that are outside the formula.
- — Using a rounded estimate as a final contractual number.
FAQ
Частые вопросы
How do I calculate a discount price?
Multiply the original price by the discount percentage and divide by 100 to find the amount saved. Then subtract that saving from the original price. For a $50 item with 20% off, the saving is $10 and the final price is $40. The calculator performs both steps automatically.
How do I calculate how much I saved?
For a percentage discount, the saving equals original price multiplied by the discount rate and divided by 100. For a fixed discount, the saving is the stated amount. To understand the real benefit, include shipping, fees and any conditions attached to the promotion.
How can I find the original price before a discount?
Use reverse discount. If the final price after 25% off is $75, it represents 75% of the original price. Divide $75 by 0.75 to get $100. This is useful when stores show only the sale price and discount percentage on a product page.
Can I add two discount percentages together?
Usually no. Discounts are normally applied in sequence. A 20% discount followed by 10% off leaves 72% of the original price, so the total discount is 28%, not 30%. Always calculate the first discount, then apply the second to the new price.
Why can a big discount still be a bad deal?
The original price may be inflated, or extra costs may reduce the benefit. Shipping, limited warranty, return restrictions and required memberships can make the final deal less attractive. Compare the final checkout price with other stores, not just the advertised percentage discount.