64 millimeters in inches

Conversion formula
How to convert 64 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: 64 ⁢ mm ≈ 2.519685056 ⁢ in

Conversion in the opposite direction

The inverse of the conversion factor is that 1 inch is equal to 0.396875 times 64 millimeters.

It can also be expressed as: 64 millimeters is equal to $\frac{1}{\mathrm{0.396875}}$ inches.

Approximation

An approximate numerical result would be: sixty-four millimeters is about two point five two inches, or alternatively, a inch is about zero point four zero times sixty-four millimeters.