Conversion formula

The conversion factor from centimeters to kilometers is 1.0E-5, which means that 1 centimeter is equal to 1.0E-5 kilometers:

1 cm = 1.0E-5 km

To convert 680.9 centimeters into kilometers we have to multiply 680.9 by the conversion factor in order to get the length amount from centimeters to kilometers. We can also form a simple proportion to calculate the result:

1 cm → 1.0E-5 km

680.9 cm → L_(km)

Solve the above proportion to obtain the length L in kilometers:

L_(km) = 680.9 cm × 1.0E-5 km

L_(km) = 0.006809 km

The final result is:

680.9 cm → 0.006809 km

We conclude that 680.9 centimeters is equivalent to 0.006809 kilometers:

680.9 centimeters = 0.006809 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 146.86444411808 × 680.9 centimeters.

Another way is saying that 680.9 centimeters is equal to 1 ÷ 146.86444411808 kilometers.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred eighty point nine centimeters is approximately zero point zero zero seven kilometers:

680.9 cm ≅ 0.007 km

An alternative is also that one kilometer is approximately one hundred forty-six point eight six four times six hundred eighty point nine centimeters.

Conversion table

centimeters to kilometers chart

For quick reference purposes, below is the conversion table you can use to convert from centimeters to kilometers