## 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 688 grams into kilograms we have to multiply 688 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

688 g → M(kg)

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

M(kg) = 688 g × 0.001 kg

M(kg) = 0.688 kg

The final result is:

688 g → 0.688 kg

We conclude that 688 grams is equivalent to 0.688 kilograms:

688 grams = 0.688 kilograms

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 1.453488372093 × 688 grams.

Another way is saying that 688 grams is equal to 1 ÷ 1.453488372093 kilograms.

## Approximate result

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

688 g ≅ 0.688 kg

An alternative is also that one kilogram is approximately one point four five three times six hundred eighty-eight 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)
689 grams 0.689 kilograms
690 grams 0.69 kilograms
691 grams 0.691 kilograms
692 grams 0.692 kilograms
693 grams 0.693 kilograms
694 grams 0.694 kilograms
695 grams 0.695 kilograms
696 grams 0.696 kilograms
697 grams 0.697 kilograms
698 grams 0.698 kilograms