What is 40% of 20? = 8
40 percent of 20 is 8. See the step-by-step solution, formula and worked example for how to calculate 40% of 20.
40% of 20 = 8
What is % of
Solution: What is 40 percent of 20?
40% × 20 =
(40 ÷ 100) × 20 =
(40 × 20) ÷ 100 =
800 ÷ 100 = 8
(40 ÷ 100) × 20 =
(40 × 20) ÷ 100 =
800 ÷ 100 = 8
Step-by-step explanation
- "Percent" means "per hundred", so 40% = 40 ÷ 100 = 0.4.
- "Of" means multiply, so we calculate 0.4 × 20.
- 0.4 × 20 = 8.
- So 40 percent of 20 is 8.
Good to know
Another way to check this: 1% of 20 is 0.2, and 40% is just 40 of those, so 40 × 0.2 = 8. Percentages like this come up everywhere — working out a 40% deposit, tip, tax or commission on 20, for example.
Quick reference: percentages of 20
| 1% of 20 | 0.2 |
| 5% of 20 | 1 |
| 10% of 20 | 2 |
| 15% of 20 | 3 |
| 20% of 20 | 4 |
| 25% of 20 | 5 |
| 50% of 20 | 10 |
| 75% of 20 | 15 |
| 100% of 20 | 20 |
Frequently asked questions
What is 40 percent of 20?
40% of 20 is 8.
How do you calculate 40% of 20?
Divide 40 by 100 to get 0.4, then multiply by 20 to get 8.
What is 20 minus 40%?
20 − 8 = 12 (see 40% off 20).
Calculated instantly in your browser. Try your own numbers in the box above, or use the full Percentage Calculator.