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What is 20% of 100? = 20

20 percent of 100 is 20. See the step-by-step solution, formula and worked example for how to calculate 20% of 100.

20% of 100 = 20
What is % of

Solution: What is 20 percent of 100?

20% × 100 =
(20 ÷ 100) × 100 =
(20 × 100) ÷ 100 =
2000 ÷ 100 = 20

Step-by-step explanation

  1. "Percent" means "per hundred", so 20% = 20 ÷ 100 = 0.2.
  2. "Of" means multiply, so we calculate 0.2 × 100.
  3. 0.2 × 100 = 20.
  4. So 20 percent of 100 is 20.

Good to know

Another way to check this: 1% of 100 is 1, and 20% is just 20 of those, so 20 × 1 = 20. Because 20% is a common fraction, you can also do it in your head. Percentages like this come up everywhere — working out a 20% deposit, tip, tax or commission on 100, for example.

Quick reference: percentages of 100

1% of 1001
5% of 1005
10% of 10010
15% of 10015
20% of 10020
25% of 10025
50% of 10050
75% of 10075
100% of 100100

Frequently asked questions

What is 20 percent of 100?
20% of 100 is 20.

How do you calculate 20% of 100?
Divide 20 by 100 to get 0.2, then multiply by 100 to get 20.

What is 100 minus 20%?
100 − 20 = 80 (see 20% off 100).

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