20 kilometers in feet

Conversion formula
How to convert 20 kilometers to feet?

We know (by definition) that: $1\mathrm{km}\approx 3280.8399\mathrm{ft}$

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

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

Conclusion: 20 ⁢ km ≈ 65616.798 ⁢ ft

Conversion in the opposite direction

The inverse of the conversion factor is that 1 foot is equal to 1.524e-05 times 20 kilometers.

It can also be expressed as: 20 kilometers is equal to $\frac{1}{\mathrm{1.524e-05}}$ feet.

Approximation

An approximate numerical result would be: twenty kilometers is about sixty-five thousand, six hundred and sixteen point eight zero feet, or alternatively, a foot is about zero times twenty kilometers.