## 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 221 grams into kilograms we have to multiply 221 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

221 g → M(kg)

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

M(kg) = 221 g × 0.001 kg

M(kg) = 0.221 kg

The final result is:

221 g → 0.221 kg

We conclude that 221 grams is equivalent to 0.221 kilograms:

221 grams = 0.221 kilograms

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilogram is equal to 4.5248868778281 × 221 grams.

Another way is saying that 221 grams is equal to 1 ÷ 4.5248868778281 kilograms.

## Approximate result

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

221 g ≅ 0.221 kg

An alternative is also that one kilogram is approximately four point five two five times two 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

grams (g) kilograms (kg)
222 grams 0.222 kilograms
223 grams 0.223 kilograms
224 grams 0.224 kilograms
225 grams 0.225 kilograms
226 grams 0.226 kilograms
227 grams 0.227 kilograms
228 grams 0.228 kilograms
229 grams 0.229 kilograms
230 grams 0.23 kilograms
231 grams 0.231 kilograms