Conversion formula

The conversion factor from grams to kilograms is 0.001, which means that 1 gram is equal to 0.001 kilograms:

1 g = 0.001 kg

To convert 138 grams into kilograms we have to multiply 138 by the conversion factor in order to get the mass amount from grams to kilograms. We can also form a simple proportion to calculate the result:

1 g → 0.001 kg

138 g → M_(kg)

Solve the above proportion to obtain the mass M in kilograms:

M_(kg) = 138 g × 0.001 kg

M_(kg) = 0.138 kg

The final result is:

138 g → 0.138 kg

We conclude that 138 grams is equivalent to 0.138 kilograms:

138 grams = 0.138 kilograms

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 7.2463768115942 × 138 grams.

Another way is saying that 138 grams is equal to 1 ÷ 7.2463768115942 kilograms.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred thirty-eight grams is approximately zero point one three eight kilograms:

138 g ≅ 0.138 kg

An alternative is also that one kilogram is approximately seven point two four six times one hundred thirty-eight grams.

Conversion table

grams to kilograms chart

For quick reference purposes, below is the conversion table you can use to convert from grams to kilograms