42 centimeters in kilometers

Result

The conversion result is: 42 centimeters is equivalent to 0.00042 kilometers.^[1]

Conversion formula
How to convert 42 centimeters to kilometers?

We know (by definition) that: 1 cm = 1e-05 km.

We can set up a proportion to solve for the number of kilometers.

1 cm / 42 cm = 1e-05 km / x km

Now, we cross multiply to solve for our unknown x:

x km = (42 cm / 1 cm) * 1e-05 km → x km = 0.00042 km

Conclusion:

42 cm = 0.00042 km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 2380.95238095238 times 42 centimeters.

It can also be expressed as: 42 centimeters is equal to 1 / 2380.95238095238 kilometers.

Approximation

An approximate numerical result would be: forty-two centimeters is about zero kilometers, or alternatively, a kilometer is about two thousand, three hundred and eighty point nine four times forty-two centimeters.