1.18 Millimeters to Inches

1.18 mm ≈ 0.046457 in

Closest fraction: 364″(0.04688 in — differs by less than 1%)

Calculation: in = 1.18 mm × 0.0393701 ≈ 0.046457 in

Millimeter to Inch Converter

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How long is 1.18 mm?

1.18 mm (0.12 cm) is a very small measurement — thinner than a pencil lead.

1.18 mm on the inch scale

mm00.511.52in00.010.020.030.040.050.060.07

1.18 mm = 0.0465 in

How to Convert Millimeter to Inch

1 millimeter = 0.0393701 inches exact

Inch = Millimeter × 0.0393701

Example: 1.18 mm × 0.0393701 = 0.046457 in

Reverse Conversion

To convert inches back to millimeters:

  • Remember, 1 inch equals 25.4 millimeters.
  • To convert 0.046457 in to mm, multiply 0.046457 x 25.4, resulting in 1.18 mm.

exact This conversion factor is exact by international definition.

1.18 mm is also equal to:

  • 0.118 centimeter
  • 0.00118 meter
  • 0.0038714 feet
  • 0.0012905 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 1.18 millimeters in inches?

1.18 millimeters equals 0.046457 inches. This is calculated by multiplying 1.18 by the conversion factor 0.0393701.

What does 1.18 millimeters look like in inches?

1.18 millimeters (0.046457 inches) is about the thickness of a few coins stacked or a pencil lead.

How do you calculate 1.18 millimeters to inches?

Multiply 1.18 by the conversion factor 0.0393701. The calculation is 1.18 × 0.0393701 = 0.046457 inches. This factor is defined by international measurement standards.

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1.18 millimeters = 0.0464567 inches
1.18 millimeters = 0.0464567 inches — conversion chart

Nearby Conversions

0.18 millimeters0.007087 inches 2.18 millimeters0.08583 inches 3.18 millimeters0.1252 inches 4.18 millimeters0.1646 inches 5.18 millimeters0.2039 inches 6.18 millimeters0.2433 inches 7.18 millimeters0.2827 inches 8.18 millimeters0.322 inches 9.18 millimeters0.3614 inches 10.18 millimeters0.4008 inches 11.18 millimeters0.4402 inches

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

Also convert Millimeters to:

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