## 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 18 grams into kilograms we have to multiply 18 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

18 g → M(kg)

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

M(kg) = 18 g × 0.001 kg

M(kg) = 0.018 kg

The final result is:

18 g → 0.018 kg

We conclude that 18 grams is equivalent to 0.018 kilograms:

18 grams = 0.018 kilograms

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 55.555555555556 × 18 grams.

Another way is saying that 18 grams is equal to 1 ÷ 55.555555555556 kilograms.

## Approximate result

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

18 g ≅ 0.018 kg

An alternative is also that one kilogram is approximately fifty-five point five five six times eighteen 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

grams (g) kilograms (kg)
19 grams 0.019 kilograms
20 grams 0.02 kilograms
21 grams 0.021 kilograms
22 grams 0.022 kilograms
23 grams 0.023 kilograms
24 grams 0.024 kilograms
25 grams 0.025 kilograms
26 grams 0.026 kilograms
27 grams 0.027 kilograms
28 grams 0.028 kilograms