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1/3 as a Percent

Last updated: May 31, 2026

Written by Blake Boege

Converting a fraction to a percentage expresses the fraction's share relative to 100.

Find out how to convert 1/3 as a percent. Learn the percentage conversion steps, see repeating percentages, and try our live conversion widget.

Quick Answer

1/3 as a percentage equals 33.33…% (repeating, written with bar as 33.3̄% or rounded to 33.3%).

Math Conversion Result

1/3 = 33.33…%

e.g. 3

Cannot be 0. · e.g. 4

Adjust numerator and denominator to dynamically recalculate the value.

Fraction to Percent

Percent value

33.333333%

1/3 as a percent

Fraction1/3
Simplified1/3
Decimal0.3333333333
Percent33.333333%

Divide numerator by denominator and multiply by 100.

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How it works

To convert the fraction 1/3 to a percentage, divide the numerator by the denominator, then multiply by 100:

Percentage Formula

(1 ÷ 3) × 100 = 33.33…%

Percent Type

This is a repeating percentage, where the decimal value repeats infinitely. It can be written as 33.3̄% using a combining overline bar, or rounded to 33.3%.

Step-by-Step Conversion for 1/3 to Percent

Converting a fraction to a percentage is a two-step process:

1. Divide 1 by 3 to convert to a decimal.

2. Multiply that decimal by 100 and add the percent symbol (%).

3. Calculation: (1 ÷ 3) × 100 = 33.33…%

Common Fraction Equivalents Reference Table

FractionDecimalPercent
1/20.550%
1/30.333…33.3%
1/40.2525%
3/40.7575%
1/80.12512.5%
3/80.37537.5%
5/80.62562.5%
7/80.87587.5%

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Frequently asked questions

1/3 as a percent is 33.33…% (repeating). This is commonly rounded to 33.3% or written as 33 1/3%.

Divide 1 by 3 to get 0.333… then multiply by 100 to get 33.33…%.