Unit Converter
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 40 centimeters into kilometers we have to multiply 40 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
40 cm → L(km)
Solve the above proportion to obtain the length L in kilometers:
L(km) = 40 cm × 1.0E-5 km
L(km) = 0.0004 km
The final result is:
40 cm → 0.0004 km
We conclude that 40 centimeters is equivalent to 0.0004 kilometers:
40 centimeters = 0.0004 kilometers
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 2500 × 40 centimeters.
Another way is saying that 40 centimeters is equal to 1 ÷ 2500 kilometers.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that forty centimeters is approximately zero kilometers:
40 cm ≅ 0 km
An alternative is also that one kilometer is approximately two thousand five hundred times forty 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
centimeters (cm) | kilometers (km) |
---|---|
41 centimeters | 0 kilometers |
42 centimeters | 0 kilometers |
43 centimeters | 0 kilometers |
44 centimeters | 0 kilometers |
45 centimeters | 0 kilometers |
46 centimeters | 0 kilometers |
47 centimeters | 0 kilometers |
48 centimeters | 0 kilometers |
49 centimeters | 0 kilometers |
50 centimeters | 0.001 kilometers |