What is 10% of 30? = 3
10 percent of 30 is 3. See the step-by-step solution, formula and worked example for how to calculate 10% of 30.
10% of 30 = 3
What is % of
Solution: What is 10 percent of 30?
10% × 30 =
(10 ÷ 100) × 30 =
(10 × 30) ÷ 100 =
300 ÷ 100 = 3
(10 ÷ 100) × 30 =
(10 × 30) ÷ 100 =
300 ÷ 100 = 3
Step-by-step explanation
- "Percent" means "per hundred", so 10% = 10 ÷ 100 = 0.1.
- "Of" means multiply, so we calculate 0.1 × 30.
- 0.1 × 30 = 3.
- So 10 percent of 30 is 3.
Good to know
Another way to check this: 1% of 30 is 0.3, and 10% is just 10 of those, so 10 × 0.3 = 3. Because 10% is a common fraction, you can also do it in your head. Percentages like this come up everywhere — working out a 10% deposit, tip, tax or commission on 30, for example.
Quick reference: percentages of 30
| 1% of 30 | 0.3 |
| 5% of 30 | 1.5 |
| 10% of 30 | 3 |
| 15% of 30 | 4.5 |
| 20% of 30 | 6 |
| 25% of 30 | 7.5 |
| 50% of 30 | 15 |
| 75% of 30 | 22.5 |
| 100% of 30 | 30 |
Frequently asked questions
What is 10 percent of 30?
10% of 30 is 3.
How do you calculate 10% of 30?
Divide 10 by 100 to get 0.1, then multiply by 30 to get 3.
What is 30 minus 10%?
30 − 3 = 27 (see 10% off 30).
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