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 690 centimeters into kilometers we have to multiply 690 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

690 cm → L_(km)

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

L_(km) = 690 cm × 1.0E-5 km

L_(km) = 0.0069 km

The final result is:

690 cm → 0.0069 km

We conclude that 690 centimeters is equivalent to 0.0069 kilometers:

690 centimeters = 0.0069 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 144.92753623188 × 690 centimeters.

Another way is saying that 690 centimeters is equal to 1 ÷ 144.92753623188 kilometers.

Approximate result

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

690 cm ≅ 0.007 km

An alternative is also that one kilometer is approximately one hundred forty-four point nine two eight times six hundred ninety 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