What Is 20% of 100? Answer: 20
20% of 100 = 20
20 percent of 100 is 20.
Step by step
- Write 20% as a decimal: 20 ÷ 100 = 0.2.
- Multiply by 100: 0.2 × 100 = 20.
- So 20% of 100 is 20.
Shortcut: to find 20% in your head, take 10% and double it — 10% of 100 is 10, which gives 20. Percentages also work backwards: 20% of 100 equals 100% of 20, which can be easier to calculate.
Details
- 20% as a fraction
- 1/5
- 20% as a decimal
- 0.2
- Remaining 80%
- 80
- 100 + 20%
- 120
- 100 − 20%
- 80
- Double: 40% of 100
- 40
How it works
Percent means “per hundred”. To find a percentage of a number, divide the percentage by 100 to turn it into a decimal, then multiply by the number. To increase a number by a percentage, multiply by 1 plus the decimal; to decrease it, multiply by 1 minus the decimal.
Nearby values
| Percentage | Answer |
|---|---|
| 5% of 100 | 5 |
| 10% of 100 | 10 |
| 15% of 100 | 15 |
| 20% of 100 | 20 |
| 25% of 100 | 25 |
| 30% of 100 | 30 |
| 40% of 100 | 40 |
| 50% of 100 | 50 |
| 75% of 100 | 75 |
Related conversions
Frequently asked questions
What is 20% of 100?
20.
How do you calculate 20 percent of 100?
Multiply 100 by 0.2 (that is, 20 ÷ 100): the answer is 20.
What is 100 plus 20%?
120.
What is 100 minus 20%?
80.