0.125 Decimal to Fraction

What is 1/8 as a Decimal?

1/8 as a decimal is 0.125. The fraction 1/8 divided as 1 ÷ 8 gives 0.125 exactly. Try another value in the decimal to fraction calculator.

0.125 as a fraction is 1/8, in simplest form.

The decimal 0.125 represents one hundred twenty-five thousandths. Reducing 125/1000 gives the exact fraction one eighth.

0.125 = 1/8

Write 0.125 over 1
Begin by writing the three-place decimal as a fraction over 1.
0.125/1
Use a denominator of 1,000
Three decimal places mean multiply the numerator and denominator by 1,000.
0.125/1 × 1000/1000 = 125/1000
Reduce by 125
The greatest common divisor of 125 and 1,000 is 125. Divide both values by 125.
(125 ÷ 125)/(1000 ÷ 125) = 1/8

Therefore: 0.125 = 1/8

0.125 in fraction form is also 1/8. “In fraction form” and “as a fraction” mean the same thing: express 0.125 as a fraction, which is 1/8.

The numerator 1 and denominator 8 have no common divisor greater than 1, so 1/8 is already in simplest form.

One eighth means one of eight equal parts. Eight groups of 0.125 make one whole because 0.125 multiplied by 8 equals 1.

Multiplying 0.125 by 100 gives 12.5%. Dividing 1 by 8 gives 0.125. Both calculations confirm the exact equivalence.

Decimal0.125

Fraction1/8

Percentage12.5%

The value 0.125 is half of 0.25 and one quarter of 0.5. Each step doubles both the decimal value and the fraction value.

This relationship makes 0.125 easier to compare with the more familiar fractions one quarter and one half.

0.125 = 1/8; 0.25 = 1/4; 0.5 = 1/2

0.125 as a fraction is 1/8, in simplest form. Write 0.125 as 125/1000, then divide by the greatest common divisor 125 to get 1/8.

0.125 in fraction form is also 1/8. “In fraction form” and “as a fraction” mean the same thing: express 0.125 as a fraction, which is 1/8.

1/8 as a decimal is 0.125. The fraction 1/8 divided as 1 ÷ 8 gives 0.125 exactly.