1/3 as a decimal and a percentage
1/3
= 0.3 = 33.3%
1/3 means 1 out of 3 equal parts. As a decimal it is 0.33…, and as a percentage 33.33…%.
Ways to write it
- Decimal
- 0.3
The digits under the line repeat forever. - Percentage
- 33.3%
- Simplest form
- Already in its simplest form
- As a division
- 1 ÷ 3
- Equivalent fractions
- 2/6 = 3/9 = 4/12 = 5/15
- Compared with one half
- Less than 1/2
- Reciprocal
- 3/1
- 1/3 of 15
- 5
How to work it out
- Divide the top number by the bottom number: 1 ÷ 3 = 0.33….
- To make a percentage, multiply by 100: 0.33… × 100 = 33.33…%.
- 1 and 3 have no common factor bigger than 1, so 1/3 cannot be simplified.
Quick check
Is 1/3 more or less than 1/2?
Show the answer
Less than 1/2
What is 1/3 of 15?
Show the answer
5
1/3 = ?/6
Show the answer
2
Practise with a game
Frequently asked questions
What is 1/3 as a decimal?
1/3 as a decimal is 0.33….
What is 1/3 as a percentage?
1/3 as a percentage is 33.33…%.
What is 1/3 in its simplest form?
1/3 is already in its simplest form.