Discount Calculator
Find the sale price after a percentage or fixed discount, or work out what percent off was applied when you know the original and sale price. Useful for shopping, pricing, and quick checks during sales.
Calculate discount
Enter price and discount % to get final price.
How it works
Percent off: Sale price = Original × (1 − Discount% / 100). Example: $80 with 25% off = $80 × 0.75 = $60. You save $20.
Fixed amount off: Sale price = Original − Amount. Example: $80 minus $15 = $65.
Find % off: When you know original and sale price, percent off = ((Original − Sale) / Original) × 100. Example: $80 original, $60 sale → (20/80)×100 = 25% off.
When to use it
Use this when comparing sale prices, checking that a stated discount is correct, or setting prices for your own products. It avoids mental math and gives exact amounts.
Frequently asked questions
- How is sale price calculated? Sale price = Original price × (1 − Discount% / 100). For a fixed amount off, Sale price = Original − Amount.
- Can I find the discount percentage from two prices? Yes. Percent off = ((Original − Sale) / Original) × 100. Use the second mode in this calculator.