1/8 as a Decimal

The fraction 1/8 converted to a decimal, with a step-by-step solution.

0.125
Decimal
12.5%
Percent

How to Convert 1/8 to a Decimal (Long Division)

  1. 1

    Set up the division of the numerator by the denominator.

    1 ÷ 8

  2. 2

    8 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. 8 goes into 10 1 time (1 × 8 = 8), remainder 2.

    10 ÷ 8 = 1, r 2

  4. 4

    Bring down a 0 to make 20. 8 goes into 20 2 times (2 × 8 = 16), remainder 4.

    20 ÷ 8 = 2, r 4

  5. 5

    Bring down a 0 to make 40. 8 goes into 40 5 times (5 × 8 = 40), remainder 0.

    40 ÷ 8 = 5, r 0

Is 1/8 a Terminating or Repeating Decimal?

1/8 is a terminating decimal: the division ends exactly at 0.125 with no repeating digits.

1/8 Rounded to Each Place

Rounded toValue
Nearest tenth0.1
Nearest hundredth0.13
Nearest thousandth0.125

1/8 as a Mixed Number

1/8 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 0.125.

Try Another Fraction

0.125
Decimal
12.5%
Percent

Step-by-Step Solution

  1. 1

    Divide the numerator by the denominator.

    1 ÷ 8 = 0.125

  2. 2

    Multiply by 100 to get the percentage.

    0.125 × 100 = 12.5%

Frequently Asked Questions

What is 1/8 as a decimal?

1/8 as a decimal is 0.125. You get it by dividing the numerator 1 by the denominator 8.

Is 1/8 a terminating or repeating decimal?

1/8 is a terminating decimal — it ends exactly at 0.125 with no repeating digits.

What is 1/8 rounded to the nearest thousandth?

Rounded to the nearest thousandth, 1/8 ≈ 0.125. To the nearest hundredth it is 0.13, and to the nearest tenth it is 0.1.

Is 1/8 a rational number?

Yes. 1/8 is a ratio of two integers (1 over 8), so it is a rational number — even though its decimal form terminates.

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