478 feet in kilometers

Conversion formula
How to convert 478 feet to kilometers?

We know (by definition) that: $1\mathrm{ft}=0.0003048\mathrm{km}$

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

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

Conclusion: 478 ⁢ ft = 0.1456944 ⁢ km

Conversion in the opposite direction

The inverse of the conversion factor is that 1 kilometer is equal to 6.86368178873038 times 478 feet.

It can also be expressed as: 478 feet is equal to $\frac{1}{\mathrm{6.86368178873038}}$ kilometers.

Approximation

An approximate numerical result would be: four hundred and seventy-eight feet is about zero point one five kilometers, or alternatively, a kilometer is about six point eight six times four hundred and seventy-eight feet.