education
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%).
1/3 = 33.33…%
e.g. 3
Cannot be 0. · e.g. 4
Adjust numerator and denominator to dynamically recalculate the value.
Percent value
33.333333%
1/3 as a percent
Divide numerator by denominator and multiply by 100.
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
| Fraction | Decimal | Percent |
|---|---|---|
| 1/2 | 0.5 | 50% |
| 1/3 | 0.333… | 33.3% |
| 1/4 | 0.25 | 25% |
| 3/4 | 0.75 | 75% |
| 1/8 | 0.125 | 12.5% |
| 3/8 | 0.375 | 37.5% |
| 5/8 | 0.625 | 62.5% |
| 7/8 | 0.875 | 87.5% |
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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…%.
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