42 kilometers in miles

Conversion formula
How to convert 42 kilometers to miles?

We know (by definition) that: $1\mathrm{km}\approx 0.62137119\mathrm{mile}$

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

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

Conclusion: 42 ⁢ km ≈ 26.09758998 ⁢ mile

Conversion in the opposite direction

The inverse of the conversion factor is that 1 mile is equal to 0.0383177142857143 times 42 kilometers.

It can also be expressed as: 42 kilometers is equal to $\frac{1}{\mathrm{0.0383177142857143}}$ miles.

Approximation

An approximate numerical result would be: forty-two kilometers is about twenty-six point one zero miles, or alternatively, a mile is about zero point zero four times forty-two kilometers.