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 1021 grams into kilograms we have to multiply 1021 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

1021 g → M_(kg)

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

M_(kg) = 1021 g × 0.001 kg

M_(kg) = 1.021 kg

The final result is:

1021 g → 1.021 kg

We conclude that 1021 grams is equivalent to 1.021 kilograms:

1021 grams = 1.021 kilograms

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 0.9794319294809 × 1021 grams.

Another way is saying that 1021 grams is equal to 1 ÷ 0.9794319294809 kilograms.

Approximate result

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

1021 g ≅ 1.021 kg

An alternative is also that one kilogram is approximately zero point nine seven nine times one thousand 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