420 kilometers in centimeters

Result

The conversion result is: 420 kilometers is equivalent to 42000000 centimeters.^[1]

Conversion formula
How to convert 420 kilometers to centimeters?

We know (by definition) that: 1 km = 100000 cm.

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

1 km / 420 km = 100000 cm / x cm

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

x cm = (420 km / 1 km) * 100000 cm → x cm = 42000000 cm

Conclusion:

420 km = 42000000 cm

Conversion in the opposite direction

The inverse of the conversion factor is that 1 centimeter is equal to 2.38095238095238e-08 times 420 kilometers.

It can also be expressed as: 420 kilometers is equal to 1 / 2.38095238095238e-08 centimeters.

Approximation

An approximate numerical result would be: four hundred and twenty kilometers is about forty-two million centimeters, or alternatively, a centimeter is about zero times four hundred and twenty kilometers.