18 centimeters in inches

Result

The conversion result is: 18 centimeters is equivalent to 7.08661417322835 inches.[1]

Conversion formula
How to convert 18 centimeters to inches?

We know (by definition) that: 1 cm ≈ 0.39370079 in.

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

1 cm / 18 cm ≈ 0.39370079 in / x in

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

x in ≈ (18 cm / 1 cm) * 0.39370079 in → x in ≈ 7.08661422 in

Conclusion:

18 cm ≈ 7.08661422 in

Conversion in the opposite direction

The inverse of the conversion factor is that 1 inch is equal to 0.141111111111111 times 18 centimeters.

It can also be expressed as: 18 centimeters is equal to 1 / 0.141111111111111 inches.

Approximation

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

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.