Percent to Fraction Calculator

Write the percentage over 100, clear any decimal point, then simplify. That is all there is to it.

Answer

1/8

Step by step

  1. Percent means “out of 100”: 12.5% = 12.5/100.
  2. Clear the decimal by multiplying the top and bottom by 10: 125/1000.
  3. Simplify by dividing both by 125: 1/8.

Answer: 1/8

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

How it works

Percent to fractionP% = P/100, then simplify

Put the number over 100.

If the percent has a decimal, multiply top and bottom by 10 (or 100) until both are whole numbers.

Simplify using the greatest common factor.

Worked example

Write 12.5% as a fraction.

  1. 12.5/100
  2. = 125/1000
  3. ÷ 125 → 1/8

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 write a percent as a fraction?

Put it over 100 and simplify. 35% = 35/100 = 7/20.

What is 33⅓% as a fraction?

Exactly 1/3. As a decimal percent 33.33% is only close to 1/3, which is why this calculator gives 3333/10000 for it.