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 321 grams into kilograms we have to multiply 321 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

321 g → M_(kg)

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

M_(kg) = 321 g × 0.001 kg

M_(kg) = 0.321 kg

The final result is:

321 g → 0.321 kg

We conclude that 321 grams is equivalent to 0.321 kilograms:

321 grams = 0.321 kilograms

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 3.1152647975078 × 321 grams.

Another way is saying that 321 grams is equal to 1 ÷ 3.1152647975078 kilograms.

Approximate result

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

321 g ≅ 0.321 kg

An alternative is also that one kilogram is approximately three point one one five times three hundred twenty-one 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