720 millimeters in inches

Conversion formula
How to convert 720 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: 720 ⁢ mm ≈ 28.34645688 ⁢ in

Conversion in the opposite direction

The inverse of the conversion factor is that 1 inch is equal to 0.0352777777777778 times 720 millimeters.

It can also be expressed as: 720 millimeters is equal to $\frac{1}{\mathrm{0.0352777777777778}}$ inches.

Approximation

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