What is 10% of 100?
10% of 100 is 10.
- Answer
- 10
- As a fraction
- 1/10 of 100
- 100 + 10%
- 110
- 100 − 10%
- 90
How to calculate it
- 10% = 10 ÷ 100 = 0.1
- 0.1 × 100 = 10
Shortcut: Move the decimal point one place to the left: 100 → 10.
As a tax or fee: adding 10% to $100 gives $110; as a discount, 10% off $100 leaves $90.
10% of other amounts
Other percentages of 100
Need a different number? Use the percentage calculator for any percent of any amount, percentage change, or “what percent is A of B”.
Frequently asked questions
What is 10% of 100?
10% of 100 is 10, because 10/100 × 100 = 0.1 × 100 = 10.
How do I work out 10 percent of a number?
Divide 10 by 100 to get 0.1, then multiply the number by 0.1. 10% is the same as the fraction 1/10, so you can also multiply by 1 and divide by 10.
What is 100 plus 10%?
100 + 10% = 100 × 1.1 = 110. And 100 minus 10% = 100 × 0.9 = 90.