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 42 grams into kilograms we have to multiply 42 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

42 g → M_(kg)

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

M_(kg) = 42 g × 0.001 kg

M_(kg) = 0.042 kg

The final result is:

42 g → 0.042 kg

We conclude that 42 grams is equivalent to 0.042 kilograms:

42 grams = 0.042 kilograms

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 23.809523809524 × 42 grams.

Another way is saying that 42 grams is equal to 1 ÷ 23.809523809524 kilograms.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that forty-two grams is approximately zero point zero four two kilograms:

42 g ≅ 0.042 kg

An alternative is also that one kilogram is approximately twenty-three point eight one times forty-two 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