Discount Calculator
This free discount calculator answers the only two questions a sale tag raises: what does it cost now, and how much do I save.
How to use
- Enter the original price.
- Enter the discount percentage.
- Optionally add a second discount — it applies to the already-reduced price.
- Read the final price and how much you save; results update instantly on your device.
Frequently asked questions
How is the discounted price calculated?
Final price = original price × (1 − discount / 100). Example: 200 at 20% off costs 160, so you save 40. The savings are always displayed next to the final price.
How does a double discount work?
The second percentage applies to the price after the first discount — sequential, not additive. Example: 100 with 20% off becomes 80, then an extra 10% off makes it 72. Adding 20% + 10% to get 30% (a 70 final price) is a common mistake.
Can I enter a negative or over-100% percentage?
No. The tool only accepts discount percentages between 0 and 100; anything outside that range — a negative value or more than 100% off — returns an error instead of a price. The same limit applies to the second discount field, so keep every percentage you enter within 0–100.
Is anything uploaded when I calculate?
No. The calculation runs entirely in your browser with plain client-side arithmetic. Your numbers never leave your device — nothing is stored, logged or uploaded.
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About this tool
This free discount calculator answers the only two questions a sale tag raises: what does it cost now, and how much do I save. Type the original price and the discount percentage and both appear instantly — no button, no waiting — which makes it just as handy for shoppers double-checking a 30%-off tag as for sellers pricing a promotion. It also handles stacked promotions honestly: when a store applies 20% off and then an extra 10% at the register, the tool applies the second percentage to the already-reduced price, the way cashiers actually do it, instead of naively adding the two percentages. That is the difference between 72 and 70 on a 100 item, and the tool labels the second field explicitly so the semantics are never ambiguous. The saved amount is always shown next to the final price, and every result updates live as you type. All the arithmetic runs locally in your browser — your shopping numbers never touch a server, nothing is stored, and the tool stays free with no signup, whether you are comparing one tag or an entire cart.