18 millimeters in inches


Conversion

18 millimeters is equivalent to 0.708661417322835 inches.[1]


Conversion formula
How to convert 18 millimeters to inches?

We know (by definition) that: 1mm 0.039370079in

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

1 mm 18 mm 0.039370079 in x in

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

x in 18 mm 1 mm * 0.039370079 in x in 0.708661422 in

Conclusion: 18 mm 0.708661422 in


18 millimeters is equivalent to 0.708661417322835 inches

Conversion in the opposite direction

The inverse of the conversion factor is that 1 inch is equal to 1.41111111111111 times 18 millimeters.

It can also be expressed as: 18 millimeters is equal to 1 1.41111111111111 inches.


Approximation

An approximate numerical result would be: eighteen millimeters is about zero point seven one inches, or alternatively, a inch is about one point four zero times eighteen millimeters.



Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.

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