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Convert 3 mm to fractional inches

3 mm = 1/8 in

Result: 3 millimeters is about 1/8 of an inch.

mm

What is 3 mm in inches fraction?

The answer is 1/8 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 3 mm to fractional inches?

To convert 3 millimeters to an inch fraction, you need to first convert 3 millimeters to inches. Since 1 inch is equal to 25.4 millimeters, divide 3 by 25.4 to get decimal inches:

3 mm ÷ 25.4 = 0.1181 in

Then, let's convert the decimal value of 0.1181 inches to a fraction.

To convert 0.1181 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 0.1181 inches is very close to 1/8 inch.

Therefore, 3 millimeters is approximately equal to 1/8 inch.

See also

  1. 4 mm to inches fraction
  2. Convert 3 mm to inches
  3. 1/8 inch to mm

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