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 309.7 grams into kilograms we have to multiply 309.7 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

309.7 g → M_(kg)

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

M_(kg) = 309.7 g × 0.001 kg

M_(kg) = 0.3097 kg

The final result is:

309.7 g → 0.3097 kg

We conclude that 309.7 grams is equivalent to 0.3097 kilograms:

309.7 grams = 0.3097 kilograms

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 3.2289312237649 × 309.7 grams.

Another way is saying that 309.7 grams is equal to 1 ÷ 3.2289312237649 kilograms.

Approximate result

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

309.7 g ≅ 0.31 kg

An alternative is also that one kilogram is approximately three point two two nine times three hundred nine point seven 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