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What is 4% of 20? = 0.8

4 percent of 20 is 0.8. See the step-by-step solution, formula and worked example for how to calculate 4% of 20.

4% of 20 = 0.8
What is % of

Solution: What is 4 percent of 20?

4% × 20 =
(4 ÷ 100) × 20 =
(4 × 20) ÷ 100 =
80 ÷ 100 = 0.8

Step-by-step explanation

  1. "Percent" means "per hundred", so 4% = 4 ÷ 100 = 0.04.
  2. "Of" means multiply, so we calculate 0.04 × 20.
  3. 0.04 × 20 = 0.8.
  4. So 4 percent of 20 is 0.8.

Good to know

Another way to check this: 1% of 20 is 0.2, and 4% is just 4 of those, so 4 × 0.2 = 0.8. Percentages like this come up everywhere — working out a 4% deposit, tip, tax or commission on 20, for example.

Quick reference: percentages of 20

1% of 200.2
5% of 201
10% of 202
15% of 203
20% of 204
25% of 205
50% of 2010
75% of 2015
100% of 2020

Frequently asked questions

What is 4 percent of 20?
4% of 20 is 0.8.

How do you calculate 4% of 20?
Divide 4 by 100 to get 0.04, then multiply by 20 to get 0.8.

What is 20 minus 4%?
20 − 0.8 = 19.2 (see 4% off 20).

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