What is 15 percent of 20?
15% of 20 is 3.
15% of 20
3
How it is calculated
Formula: X% of Y = X ÷ 100 × Y
- Turn the percentage into a decimal: 15 ÷ 100 = 0.15.
- Multiply by the number: 0.15 × 20 = 3.
What this means
- Shortcut: 10% of 20 is 2, 5% is half of that (1); add them for 15%: 3.
- As a price: a 15% discount on $20 saves $3, so you pay $17; adding 15% instead (tax or a tip) makes it $23.
Try other numbers
The full percentage calculator, filled in with these values.
%
Formula: X% of Y = X ÷ 100 × Y
15% of 20 is
3
15 ÷ 100 × 20 = 3
| Percentage | Value |
|---|---|
| 1% | 0.2 |
| 5% | 1 |
| 10% | 2 |
| 15% | 3 |
| 20% | 4 |
| 25% | 5 |
| 50% | 10 |
| 75% | 15 |
Show the steps
- Turn the percentage into a decimal: 15 ÷ 100 = 0.15.
- Multiply by the number: 0.15 × 20 = 3.