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What is 50% of 40? = 20

50 percent of 40 is 20. See the step-by-step solution, formula and worked example for how to calculate 50% of 40.

50% of 40 = 20
What is % of

Solution: What is 50 percent of 40?

50% × 40 =
(50 ÷ 100) × 40 =
(50 × 40) ÷ 100 =
2000 ÷ 100 = 20

Step-by-step explanation

  1. "Percent" means "per hundred", so 50% = 50 ÷ 100 = 0.5.
  2. "Of" means multiply, so we calculate 0.5 × 40.
  3. 0.5 × 40 = 20.
  4. So 50 percent of 40 is 20.

Good to know

Another way to check this: 1% of 40 is 0.4, and 50% is just 50 of those, so 50 × 0.4 = 20. Because 50% is a common fraction, you can also do it in your head. Percentages like this come up everywhere — working out a 50% deposit, tip, tax or commission on 40, for example.

Quick reference: percentages of 40

1% of 400.4
5% of 402
10% of 404
15% of 406
20% of 408
25% of 4010
50% of 4020
75% of 4030
100% of 4040

Frequently asked questions

What is 50 percent of 40?
50% of 40 is 20.

How do you calculate 50% of 40?
Divide 50 by 100 to get 0.5, then multiply by 40 to get 20.

What is 40 minus 50%?
40 − 20 = 20 (see 50% off 40).

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