7 millimeters in inches

Conversion formula
How to convert 7 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: 7 ⁢ mm ≈ 0.275590553 ⁢ in

Conversion in the opposite direction

The inverse of the conversion factor is that 1 inch is equal to 3.62857142857143 times 7 millimeters.

It can also be expressed as: 7 millimeters is equal to $\frac{1}{\mathrm{3.62857142857143}}$ inches.

Approximation

An approximate numerical result would be: seven millimeters is about zero point two eight inches, or alternatively, a inch is about three point six two times seven millimeters.