42 millimeters in miles

Conversion formula
How to convert 42 millimeters to miles?

We know (by definition) that: $1\mathrm{mm}\approx 6.2137119e-07\mathrm{mile}$

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 ⁢ mm ≈ 2.609758998e-05 ⁢ mile

Conversion in the opposite direction

The inverse of the conversion factor is that 1 mile is equal to 38317.7142857143 times 42 millimeters.

It can also be expressed as: 42 millimeters is equal to $\frac{1}{\mathrm{38317.7142857143}}$ miles.

Approximation

An approximate numerical result would be: forty-two millimeters is about zero miles, or alternatively, a mile is about thirty-eight thousand, three hundred and seventeen point seven zero times forty-two millimeters.