1/3 as a Decimal and Percent

1/3 = 0.3 = 33.333333%

1/3 as a decimal is 0.3 (the digits under the bar repeat forever, so rounded it is 0.3333333333).

How to convert 1/3 to a decimal

Divide the numerator by the denominator: 1 ÷ 3 = 0.3. With long division:

DivideResult digitRemainder
1 ÷ 301
10 ÷ 331

A remainder comes back that we have seen before, so the digits 3 repeat forever.

As a percentage

Multiply the decimal by 100: 0.3333333333 × 100 = 33.333333%.

1/3 in other forms

Decimal
0.3
Percent
33.333333%
Simplest form
1/3 (already in lowest terms)
Reciprocal
3/1 = 3
Ratio
1:3

Equivalent fractions

Nearby fractions

2/30.6666666667
4/31.3333333333

Fraction to decimal chart →

Frequently asked questions

What is 1/3 as a decimal?

1/3 = 0.3333333333 (repeating).

What is 1/3 as a percent?

1/3 = 33.333333%.