Sumwise

2 is What Percent of 20?

2 is 10% of 20

Percentage
10%
Decimal
0.1
Fraction
2/20
Ratio
2:20

Sumwise · Checked by Theo Abbott · Data: exact arithmetic; unit definitions from NIST SP 811 · Updated · How we check it

How to work it out

  1. Divide the part by the whole: 2 ÷ 20 = 0.1
  2. Multiply by 100: 0.1 × 100 = 10%
  3. Check: Work backwards: 10% of 20 is 0.1 × 20 = 2.

Another method. As a proportion of part to whole: 2/20 = p/100, so p = 2 × 100 ÷ 20 = 10%. Both methods always give the same answer.

In a spreadsheet: =2/20*100. Dividing the wrong way round (whole ÷ part) gives a different answer. The number after “of” is always the whole, so it goes on the bottom.

What the result means

2 is between a tenth and a quarter of 20. The part that is left, 18, is the other 90%.

Test scores: 2 correct answers out of 20 is a score of 10%, which on a common US grading scale is an F.

Turning it around

If you know that 2 is 10% of a number, you can get that number back: 2 ÷ 0.1 = 20. And 20 as a percentage of 2 is 1,000%, a different answer, because the whole has changed.

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The other way round: 20 is what percent of 2?

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Calculate another

How answers are calculated and checked: methodology.

Questions

2 is What Percent of 20?

2 is 10% of 20. See the formula, the steps and practice examples.

What is 2 out of 20 as a fraction?

2/20, which simplifies to 1/10. As a decimal it is 0.1.

Is 2 more than half of 20?

No. Half of 20 is 10, and 2 is less than that.