Enter a price and discount above to see your savings instantly.
A discount reduces the price you pay below the original listed price. The most common type is a percentage off — like 20% off or 50% off. You multiply the original price by the discount rate to find how much money you save. Then you subtract that from the original price to get the sale price.
Some stores also use a flat dollar off coupon, like $10 off your order. You can combine both types — for example, 15% off plus an extra $5 voucher. Our calculator supports both and applies them in order. When comparing bulk deals or value packs, a unit price calculator helps you check which option gives you the lowest cost per item.
If you need to find the original price when you only know the sale price, you can use the reverse discount mode. And if you want to know what percentage you are already getting, use the find % off mode.
The math behind every discount:
Example: $120 original, 30% off. Savings = $36. Sale price = $84. With 8% tax on the sale price: tax = $6.72. You pay $90.72 at checkout. If you are setting prices from the business side, use a selling price calculator to work out your margin before applying any discount.
| Original Price | 10% Off | 20% Off | 30% Off | 50% Off | 70% Off |
|---|---|---|---|---|---|
| $10 | $9.00 | $8.00 | $7.00 | $5.00 | $3.00 |
| $25 | $22.50 | $20.00 | $17.50 | $12.50 | $7.50 |
| $50 | $45.00 | $40.00 | $35.00 | $25.00 | $15.00 |
| $100 | $90.00 | $80.00 | $70.00 | $50.00 | $30.00 |
| $200 | $180.00 | $160.00 | $140.00 | $100.00 | $60.00 |
| $500 | $450.00 | $400.00 | $350.00 | $250.00 | $150.00 |
Not all discounts work the same way. Here are the most common types:
What you pay after each discount. Currency: $
| Original Price | 5% Off | 10% Off | 15% Off | 20% Off | 25% Off | 30% Off | 40% Off | 50% Off |
|---|
Sale Price = Original × (1 − Discount% ÷ 100). Currency: $
How much money you save in $ at each price and discount combination.
| Original Price | 5% Off | 10% Off | 20% Off | 30% Off | 40% Off | 50% Off | 70% Off |
|---|
Savings = Original Price × Discount% ÷ 100.
What you actually pay at checkout with a 20% discount and different tax rates. Currency: $
| Original Price | Sale Price20% off | + 5% Tax | + 8% Tax | + 10% Tax | + 13% Tax | + 15% Tax | + 20% Tax |
|---|
Tax is applied to the sale price (post-discount). Sale price = Original × 0.80 for a 20% discount.
How much you save in total when buying multiple units at a discounted price. Currency: $
| Unit Price | Qty × 2 | Qty × 3 | Qty × 5 | Qty × 10 | Discount | Total Saved |
|---|
Assumes a 20% discount on the unit price. Total Saved = Unit Savings × Quantity.
Effective saving when two percentage discounts are applied one after another (not added). Currency: $
| First Discount | + 5% Extra | + 10% Extra | + 15% Extra | + 20% Extra | + 25% Extra | Combined % Off |
|---|
Stacked % ≠ sum of both. Combined = 1 − (1 − D1)(1 − D2). Based on a $100 starting price.
Find what the original price was given a known sale price and discount. Currency: $
| Sale Price | 10% Off originally | 15% Off | 20% Off | 25% Off | 30% Off | 40% Off | 50% Off |
|---|
Original Price = Sale Price ÷ (1 − Discount% ÷ 100).