Convert 18 mm to fractional inches

18 mm = 45/64 in

Result: 18 millimeters is about 45/64 of an inch.


What is 18 mm in inches fraction?

The answer is 45/64 inch. The result is sometimes only an approximation of the real value because of rounding. But it's accurate enough for typical everyday measurements.

How to Convert 18 mm to fractional inches?

To convert 18 millimeters to an inch fraction, you need to first convert 18 millimeters to inches. Since 1 inch is equal to 25.4 millimeters, divide 18 by 25.4 to get decimal inches:

18 mm ÷ 25.4 = 0.7086 in

Then, let's convert the decimal value of 0.7086 inches to a fraction.

To convert 0.7086 inches to a fraction, use a ruler or a decimal to fraction conversion table to find the nearest fraction with a reasonable denominator (fractional inches usually have denominators that are powers of 2, such as 2, 4, 8, 16, 32, 64).

In this example, use a ruler to find the closest fraction.

Using a ruler, you can see that 0.7086 inches is very close to 45/64 inch.

Therefore, 18 millimeters is approximately equal to 45/64 inch.

See also

  1. 19 mm to inches fraction
  2. Convert 18 mm to inches
  3. 45/64 inch to mm

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