How to use this tool
- Enter the original price and the discount percentage.
- Add a second discount if there is an extra code or clearance offer.
- Add tax if your prices are shown before tax, as in most US shops.
30% off common prices
| Price | You save | You pay |
|---|---|---|
| 20 | 6 | 14 |
| 45 | 13.50 | 31.50 |
| 100 | 30 | 70 |
| 250 | 75 | 175 |
| 1,000 | 300 | 700 |
Frequently asked questions
What is 30% off 50?
35. You save 15.
How do I work out the original price from a 30% off price?
Divide the sale price by 0.7.
Is 30% off better than buy two get one free?
Buy two get one free is a 33% saving on three items, slightly better if you need all three.
Need more detail? See the full Discount Calculator guide.
Sources and references
- Federal Trade Commission: Guides Against Deceptive Pricing (16 CFR 233)
- CTSI: Guidance for Traders on Pricing Practices (UK, April 2026)