Free Online Discount Calculator
Calculate sale prices and compare discount levels
Sale Price
$79.99
You Save
$20.00
Discount Comparison for $99.99
| Discount | You Save | Sale Price |
|---|---|---|
| 5% | $5.00 | $94.99 |
| 10% | $10.00 | $89.99 |
| 15% | $15.00 | $84.99 |
| 20% | $20.00 | $79.99 |
| 25% | $25.00 | $74.99 |
| 30% | $30.00 | $69.99 |
| 40% | $40.00 | $59.99 |
| 50% | $50.00 | $50.00 |
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About this tool
Calculate sale prices and savings instantly with this free discount calculator. Enter the original price and discount percentage to see the final sale price and how much you save. The tool also generates a multi-discount comparison table showing what the item would cost at 5%, 10%, 15%, 20%, 25%, 30%, 40%, and 50% off — handy when you are comparing deals across stores or waiting for a better sale. Whether you are shopping Black Friday deals, calculating bulk pricing, or checking if a coupon code is worth it, this tool does the math in your browser with no sign-up required.
How to use Discount Calculator
- Enter original price. Type the item's original price.
- Enter discount. Type the discount percentage.
- View savings. See the sale price, amount saved, and a comparison table of common discount levels.
Frequently Asked Questions
Multiply the original price by the discount percentage, then subtract from the original. For example, 20% off $80: $80 × 0.20 = $16 discount, so the sale price is $80 − $16 = $64.
Divide the sale price by (1 minus the discount rate). For example, if an item is $60 after 25% off: $60 ÷ 0.75 = $80 original price.
Subtract the sale price from the original price, divide by the original price, and multiply by 100. For example: ($100 − $75) ÷ $100 × 100 = 25% off.
A discount reduces the selling price below the listed price. A markup increases the cost price to set the selling price. A 50% markup on $100 cost gives a $150 price, but a 50% discount on $150 brings it back to $75 — not $100.
Stacking discounts means applying them sequentially, not adding percentages. Two 20% discounts are not 40% off — the second 20% applies to the already-reduced price. $100 with two 20% discounts: $100 → $80 → $64 (36% total, not 40%).
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