400 centimeters in meters

Conversion formula
How to convert 400 centimeters to meters?

We know (by definition) that: $1\mathrm{cm}=0.01\mathrm{m}$

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

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

Conclusion: 400 ⁢ cm = 4.0 ⁢ m

Conversion in the opposite direction

The inverse of the conversion factor is that 1 meter is equal to 0.25 times 400 centimeters.

It can also be expressed as: 400 centimeters is equal to $\frac{1}{\mathrm{0.25}}$ meters.

Approximation

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