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 45 grams into kilograms we have to multiply 45 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

45 g → M_(kg)

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

M_(kg) = 45 g × 0.001 kg

M_(kg) = 0.045 kg

The final result is:

45 g → 0.045 kg

We conclude that 45 grams is equivalent to 0.045 kilograms:

45 grams = 0.045 kilograms

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 22.222222222222 × 45 grams.

Another way is saying that 45 grams is equal to 1 ÷ 22.222222222222 kilograms.

Approximate result

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

45 g ≅ 0.045 kg

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