1.64 Millimeters to Inches

1.64 mm ≈ 0.064567 in

Closest fraction: 116″(0.0625 in — differs by ~3%)

Calculation: in = 1.64 mm × 0.0393701 ≈ 0.064567 in

Millimeter to Inch Converter

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How long is 1.64 mm?

1.64 mm (0.16 cm) is a very small measurement — thinner than a pencil lead.

1.64 mm on the inch scale

mm00.511.52in00.010.020.030.040.050.060.07

1.64 mm = 0.0646 in

How to Convert Millimeter to Inch

1 millimeter = 0.0393701 inches exact

Inch = Millimeter × 0.0393701

Example: 1.64 mm × 0.0393701 = 0.064567 in

Reverse Conversion

To convert inches back to millimeters:

  • Remember, 1 inch equals 25.4 millimeters.
  • To convert 0.064567 in to mm, multiply 0.064567 x 25.4, resulting in 1.64 mm.

exact This conversion factor is exact by international definition.

1.64 mm is also equal to:

  • 0.164 centimeter
  • 0.00164 meter
  • 0.0053806 feet
  • 0.0017935 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 1.64 millimeters in inches?

1.64 millimeters equals 0.064567 inches. This is calculated by multiplying 1.64 by the conversion factor 0.0393701.

What does 1.64 millimeters look like in inches?

1.64 millimeters (0.064567 inches) is about the thickness of a few coins stacked or a pencil lead.

How do you calculate 1.64 millimeters to inches?

Multiply 1.64 by the conversion factor 0.0393701. The calculation is 1.64 × 0.0393701 = 0.064567 inches. This factor is defined by international measurement standards.

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1.64 millimeters = 0.0645669 inches
1.64 millimeters = 0.0645669 inches — conversion chart

Nearby Conversions

0.64 millimeters0.0252 inches 2.64 millimeters0.1039 inches 3.64 millimeters0.1433 inches 4.64 millimeters0.1827 inches 5.64 millimeters0.222 inches 6.64 millimeters0.2614 inches 7.64 millimeters0.3008 inches 8.64 millimeters0.3402 inches 9.64 millimeters0.3795 inches 10.64 millimeters0.4189 inches 11.64 millimeters0.4583 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.