1/5 as a percentage
Make the bottom 100: 1/5 = 20/100, and per cent means out of 100, so 1/5 is 20%.
The answer
1/5 = 20%
How to turn 1/5 into a percentage
Per cent means out of 100, so a percentage is a fraction with a bottom of 100.
- Make the bottom 100: 5 × 20 = 100.
- Do the same to the top: 1 × 20 = 20.
- So 1/5 = 20/100, which is 20%.
1/5 as a fraction, decimal and percentage
| Fraction | Decimal | Percentage |
|---|---|---|
| 1/5 | 0.2 | 20% |
Multiply the top and bottom by the same number and the fraction keeps its value: 1/5, 2/10, 3/15, 4/20 and 5/25 are all equal.
Looking for 2/10? It is the same as 1/5, so it gives the same decimal and percentage.
All the fifths
Shade 1/5 on a fraction wall
This wall shows selected denominators: halves, thirds, quarters, fifths, sixths, eighths and tenths. Other fractions on this site may not have a row here. The wall opens with 1/5 shaded in the fifths row. Look straight down: the shading ends in exactly the same place in 2/10, so it is equal to 1/5. Tap other pieces to try more fractions.
A fraction wall from halves to tenths, opening on 1/5.
Keep going
Questions parents ask
What is 1/5 as a percentage?
1/5 = 20%.
What percentage is 1 out of 5?
1 out of 5 is 20%, because 1 out of 5 is the fraction 1/5.
How do you turn 1/5 into a percentage?
Make the bottom 100. 5 × 20 = 100, so multiply the top by 20 too: 1/5 = 20/100. Per cent means out of 100, so 1/5 = 20%.
What is 1/5 as a decimal?
1/5 = 0.2.
Is 1/5 more or less than 50%?
1/5 is less than 50%: 0.2 is less than 0.5. Half of 5 is 2.5, and 1 is less than 2.5.
Continue your maths practice
Explore the diagnostic for another way to practise.