1/5 as a Decimal

The fraction 1/5 converted to a decimal, with a step-by-step solution.

0.2
Decimal
20%
Percent

How to Convert 1/5 to a Decimal (Long Division)

  1. 1

    Set up the division of the numerator by the denominator.

    1 ÷ 5

  2. 2

    5 does not go into 1, so the whole-number part is 0. Write "0." and continue with a remainder of 1.

    0 . …

  3. 3

    Bring down a 0 to make 10. 5 goes into 10 2 times (2 × 5 = 10), remainder 0.

    10 ÷ 5 = 2, r 0

Is 1/5 a Terminating or Repeating Decimal?

1/5 is a terminating decimal: the division ends exactly at 0.2 with no repeating digits.

1/5 Rounded to Each Place

Rounded toValue
Nearest tenth0.2
Nearest hundredth0.20
Nearest thousandth0.200

1/5 as a Mixed Number

1/5 is a proper fraction (the numerator is smaller than the denominator), so it is less than 1 and has no whole-number part — its value is just 0.2.

Try Another Fraction

0.2
Decimal
20%
Percent

Step-by-Step Solution

  1. 1

    Divide the numerator by the denominator.

    1 ÷ 5 = 0.2

  2. 2

    Multiply by 100 to get the percentage.

    0.2 × 100 = 20%

Frequently Asked Questions

What is 1/5 as a decimal?

1/5 as a decimal is 0.2. You get it by dividing the numerator 1 by the denominator 5.

Is 1/5 a terminating or repeating decimal?

1/5 is a terminating decimal — it ends exactly at 0.2 with no repeating digits.

What is 1/5 rounded to the nearest thousandth?

Rounded to the nearest thousandth, 1/5 ≈ 0.200. To the nearest hundredth it is 0.20, and to the nearest tenth it is 0.2.

Is 1/5 a rational number?

Yes. 1/5 is a ratio of two integers (1 over 5), so it is a rational number — even though its decimal form terminates.

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