216 millimeters in inches

Conversion formula
How to convert 216 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: 216 ⁢ mm ≈ 8.503937064 ⁢ in

Conversion in the opposite direction

The inverse of the conversion factor is that 1 inch is equal to 0.117592592592593 times 216 millimeters.

It can also be expressed as: 216 millimeters is equal to $\frac{1}{\mathrm{0.117592592592593}}$ inches.

Approximation

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