How do you calculate 20 percent of 100?

Convert 20% to the decimal 0.2, then multiply by 100: 0.2 × 100 = 20.

Where is a calculation like 20% of 100 used?

Percentages of a total come up everywhere — tips, sales tax, commission, interest, discounts and working out any share of an amount.

What is 20% of 100?

Answer

20% of 100 = 20

Working out 20% of 100 means finding 20 hundredths of 100. The quickest way is to turn the percentage into the decimal 0.2 and multiply by 100, which gives 20. The step-by-step below shows exactly how it works.

Step-by-step

Convert the percent to a decimal: 20% = 0.2.
Multiply by the number: 0.2 × 100 = 20.

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Quick reference

5% of 100	5
10% of 100	10
15% of 100	15
20% of 100	20
25% of 100	25
50% of 100	50
100% of 100	100

Frequently asked questions

What is 20% of 100?: 20 percent of 100 is 20.
How do you calculate 20 percent of 100?: Convert 20% to the decimal 0.2, then multiply by 100: 0.2 × 100 = 20.
Where is a calculation like 20% of 100 used?: Percentages of a total come up everywhere — tips, sales tax, commission, interest, discounts and working out any share of an amount.

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