What is 20 percent of 100?
20% of 100 is 20.
20% of 100
20
How it is calculated
Formula: X% of Y = X ÷ 100 × Y
- Turn the percentage into a decimal: 20 ÷ 100 = 0.2.
- Multiply by the number: 0.2 × 100 = 20.
What this means
- Shortcut: 20% is 1/5, so divide 100 by 5: 100 ÷ 5 = 20.
- As a price: a 20% discount on $100 saves $20, so you pay $80; adding 20% instead (tax or a tip) makes it $120.
Try other numbers
The full percentage calculator, filled in with these values.
%
Formula: X% of Y = X ÷ 100 × Y
20% of 100 is
20
20 ÷ 100 × 100 = 20
| Percentage | Value |
|---|---|
| 1% | 1 |
| 5% | 5 |
| 10% | 10 |
| 15% | 15 |
| 20% | 20 |
| 25% | 25 |
| 50% | 50 |
| 75% | 75 |
Show the steps
- Turn the percentage into a decimal: 20 ÷ 100 = 0.2.
- Multiply by the number: 0.2 × 100 = 20.