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Convert 40 mm to fractional inches

40 mm = 137/64 in

Result: 40 millimeters is about 1 37/64 of an inch.

mm

What is 40 mm in inches fraction?

The answer is 1 37/64 inches. 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 40 mm to fractional inches?

To convert 40 millimeters to an inch fraction, you need to first convert 40 millimeters to inches. Since 1 inch is equal to 25.4 millimeters, divide 40 by 25.4 to get decimal inches:

40 mm ÷ 25.4 = 1.5748 in

Then, let's convert the decimal value of 1.5748 inches to a fraction.

To convert 1.5748 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 1.5748 inches is very close to 1 37/64 inches.

Therefore, 40 millimeters is approximately equal to 1 37/64 inches.

See also

  1. 41 mm to inches fraction
  2. Convert 40 mm to inches
  3. 1 37/64 inches to mm

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