20% Off 15
20% off 15 = 12 (you save 3)
How to calculate 20% off 15
- Find the discount: 20% of 15 = 0.2 × 15 = 3.
- Subtract it from the price: 15 − 3 = 12.
Or in one step, multiply by the share you pay: 15 × 0.8 = 12.
Stacked discounts do not add up: an extra 10% off the sale price gives 10.8, which is 28% off in total, not 30%.
Other discounts on 15
| 5% off 15 | 14.25 |
| 10% off 15 | 13.5 |
| 15% off 15 | 12.75 |
| 25% off 15 | 11.25 |
| 30% off 15 | 10.5 |
| 40% off 15 | 9 |
| 50% off 15 | 7.5 |
| 75% off 15 | 3.75 |
20% off other numbers
| 20% off 10 | 8 |
| 20% off 20 | 16 |
| 20% off 25 | 20 |
| 20% off 30 | 24 |
| 20% off 40 | 32 |
| 20% off 50 | 40 |
| 20% off 60 | 48 |
| 20% off 70 | 56 |
| 20% off 75 | 60 |
| 20% off 80 | 64 |
| 20% off 90 | 72 |
| 20% off 100 | 80 |
| 20% off 120 | 96 |
| 20% off 150 | 120 |
Frequently asked questions
What is 20% off 15?
The sale price is 12 and you save 3.
How do you calculate a percentage of a number?
Divide the percentage by 100 and multiply by the number: 15% of 80 = 0.15 × 80 = 12.
How do you find what percent one number is of another?
Divide the part by the whole and multiply by 100: 12 is 12 ÷ 80 × 100 = 15% of 80.