42.341 Millimeters to Inches

42.341 mm ≈ 1.667 in

Closest fraction: 1 4364(1.67188 in — differs by less than 1%)

Calculation: in = 42.341 mm × 0.0393701 ≈ 1.667 in

Millimeter to Inch Converter

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Sig. Figures:

How long is 42.341 mm?

42.341 mm (4.23 cm) is comparable to the width of a thumb or the diameter of a coin.

What does 42.341 mm look like?

Comparable to the width of a thumb or the diameter of a coin
42.341 mm (4.23 cm) is comparable to the width of a thumb or the diameter of a coin.

42.341 mm on the inch scale

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42.34 mm = 1.667 in

How to Convert Millimeter to Inch

1 millimeter = 0.0393701 inches exact

Inch = Millimeter × 0.0393701

Example: 42.341 mm × 0.0393701 = 1.667 in

Reverse Conversion

To convert inches back to millimeters:

  • Remember, 1 inch equals 25.4 millimeters.
  • To convert 1.667 in to mm, multiply 1.667 x 25.4, resulting in 42.341 mm.

exact This conversion factor is exact by international definition.

42.341 mm is also equal to:

  • 4.2341 centimeter
  • 0.042341 meter
  • 0.13891 feet
  • 0.046305 yard
About these units

Millimeter: Metric unit equal to one thousandth (1/1000) of a meter.

Inch: Imperial/US customary unit standardized as exactly 25.4 millimeters since 1959.

Frequently Asked Questions

How much is 42.341 millimeters in inches?

42.341 millimeters equals 1.667 inches. This is calculated by multiplying 42.341 by the conversion factor 0.0393701.

What does 42.341 millimeters look like in inches?

42.341 millimeters (1.667 inches) is one to four inches — a small component or connector.

How do you calculate 42.341 millimeters to inches?

Multiply 42.341 by the conversion factor 0.0393701. The calculation is 42.341 × 0.0393701 = 1.667 inches. This factor is defined by international measurement standards.

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42.341 millimeters = 1.66697 inches
42.341 millimeters = 1.66697 inches — conversion chart

For general conversions between millimeters and inches, see the millimeters to inches converter.

Conversion factors verified against NIST, BIPM, ISO 80000-3 1 inch = 2.54 cm by international agreement (1959). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.