400 meters in centimeters

Conversion formula
How to convert 400 meters to centimeters?

We know (by definition) that: $1\mathrm{m}=100\mathrm{cm}$

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

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

Conclusion: 400 ⁢ m = 40000 ⁢ cm

Conversion in the opposite direction

The inverse of the conversion factor is that 1 centimeter is equal to 2.5e-05 times 400 meters.

It can also be expressed as: 400 meters is equal to $\frac{1}{\mathrm{2.5e-05}}$ centimeters.

Approximation

An approximate numerical result would be: four hundred meters is about forty thousand centimeters, or alternatively, a centimeter is about zero times four hundred meters.