108 millimeters in inches

Conversion formula
How to convert 108 millimeters to inches?

We know (by definition) that: $1\mathrm{mm}\approx 0.039370079\mathrm{in}$

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

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

Conclusion: 108 ⁢ mm ≈ 4.251968532 ⁢ in

Conversion in the opposite direction

The inverse of the conversion factor is that 1 inch is equal to 0.235185185185185 times 108 millimeters.

It can also be expressed as: 108 millimeters is equal to $\frac{1}{\mathrm{0.235185185185185}}$ inches.

Approximation

An approximate numerical result would be: one hundred and eight millimeters is about four point two five inches, or alternatively, a inch is about zero point two four times one hundred and eight millimeters.