Fraction to Percent Calculator

Turn any fraction into a percentage — useful for test scores (“17 out of 20”) and comparing parts of a whole.

Answer

87.5%

Step by step

  1. Divide the top by the bottom: 7 ÷ 8 = 0.875.
  2. Multiply by 100: 87.5%.

Answer: 87.5%

Still stuck? Ask the tutor about these steps
0/800

How it works

Fraction to percent(a ÷ b) × 100

Divide the numerator by the denominator to get a decimal.

Multiply by 100 and add %.

Shortcut when the denominator divides into 100 (2, 4, 5, 10, 20, 25, 50): scale the fraction to be out of 100 and read the percent straight off.

Worked example

You got 17 out of 20. What percent is that?

  1. 17 ÷ 20 = 0.85
  2. 0.85 × 100 = 85%

Common fractions, decimals and percents

FractionDecimalPercent
1/20.550%
1/30.3̅33.3̅%
2/30.6̅66.6̅%
1/40.2525%
3/40.7575%
1/50.220%
2/50.440%
3/50.660%
4/50.880%
1/60.16̅16.6̅%
5/60.83̅83.3̅%
1/70.1̅4̅2̅8̅5̅7̅14.2̅8̅5̅7̅1̅4̅%
2/70.2̅8̅5̅7̅1̅4̅28.5̅7̅1̅4̅2̅8̅%
3/70.4̅2̅8̅5̅7̅1̅42.8̅5̅7̅1̅4̅2̅%
4/70.5̅7̅1̅4̅2̅8̅57.1̅4̅2̅8̅5̅7̅%
5/70.7̅1̅4̅2̅8̅5̅71.4̅2̅8̅5̅7̅1̅%
6/70.8̅5̅7̅1̅4̅2̅85.7̅1̅4̅2̅8̅5̅%
1/80.12512.5%
3/80.37537.5%
5/80.62562.5%
7/80.87587.5%
1/90.1̅11.1̅%
2/90.2̅22.2̅%
4/90.4̅44.4̅%
5/90.5̅55.5̅%
7/90.7̅77.7̅%
8/90.8̅88.8̅%
1/100.110%
3/100.330%
7/100.770%
9/100.990%
1/110.0̅9̅9.0̅9̅%
2/110.1̅8̅18.1̅8̅%
3/110.2̅7̅27.2̅7̅%
4/110.3̅6̅36.3̅6̅%
5/110.4̅5̅45.4̅5̅%
6/110.5̅4̅54.5̅4̅%
7/110.6̅3̅63.6̅3̅%
8/110.7̅2̅72.7̅2̅%
9/110.8̅1̅81.8̅1̅%
10/110.9̅0̅90.9̅0̅%
1/120.083̅8.3̅%
5/120.416̅41.6̅%
7/120.583̅58.3̅%
11/120.916̅91.6̅%

A bar over digits means they repeat forever: 0.3̅ = 0.333…

Frequently asked questions

How do you convert a fraction to a percent?

Divide the top by the bottom, then multiply by 100. 3/5 = 0.6 = 60%.

What is 1/3 as a percent?

33.3̅% — thirty-three point three recurring percent, often rounded to 33.33%.