Answer :

A kilometer is equal to 1000 meters and a meter is equal to 100 centimeters, so:

1 km = 100000 cm
1 cm = 0,00001 km

Just multiply or divide it by 100000.

Answer:

Converting a measurement in centimeters to kilometers one needs to know the actual number of 1 kilometer that makes centimeters.

Explanation:

Converting a measurement in centimeters to kilometers one needs to know the actual number of 1 kilometer that makes centimeters.

The number of 1 km that makes centimeters is 100000 cm. This expression can be represented mathematically as follows

1 km = 100000 cm

For example If one wants to convert 100 cm  to km we use the unit conversion above to get the actual conversion to km .

since

1 km = 100000 cm

? km = 100 cm

cross multiply

100/100000

0.001  km