42.172 Millimeters to Centimeters

42.172 mm = 4.2172 cm

Calculation: cm = 42.172 mm × 0.1 = 4.2172 cm

Millimeter to Centimeter Converter

Choose the type of measurement to convert
Select the source unit to convert from
Select the target unit to convert to
Enter a numeric value or fraction to convert
Sig. Figures:

How long is 42.172 mm?

42.172 mm (4.22 cm) is comparable to the width of a thumb or the diameter of a coin.

What does 42.172 mm look like?

Comparable to the width of a thumb or the diameter of a coin
42.172 mm (4.22 cm) is comparable to the width of a thumb or the diameter of a coin.

42.172 mm on the centimeter scale

mm01020304050cm012345

42.17 mm = 4.217 cm

How to Convert Millimeter to Centimeter

1 millimeter = 0.1 centimeters exact

Centimeter = Millimeter × 0.1

Example: 42.172 mm × 0.1 = 4.2172 cm

Reverse Conversion

To convert centimeters back to millimeters:

  • Remember, 1 centimeter equals 10 millimeters.
  • To convert 4.2172 cm to mm, multiply 4.2172 x 10, resulting in 42.172 mm.

exact This conversion factor is exact by international definition.

42.172 mm is also equal to:

  • 0.042172 meter
  • 1.6603 inch
  • 0.13836 feet
  • 0.04612 yard
About these units

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

Centimeter: Metric unit equal to one hundredth (1/100) of a meter.

Frequently Asked Questions

How much is 42.172 millimeters in centimeters?

42.172 millimeters equals 4.2172 centimeters. This is calculated by multiplying 42.172 by the conversion factor 0.1.

What does 42.172 millimeters look like in centimeters?

42.172 millimeters (4.2172 centimeters) is one to four inches — a small component or connector.

How do you calculate 42.172 millimeters to centimeters?

Multiply 42.172 by the conversion factor 0.1. The calculation is 42.172 × 0.1 = 4.2172 centimeters. This factor is defined by international measurement standards.

Share This Calculation

42.172 millimeters = 4.2172 centimeters
42.172 millimeters = 4.2172 centimeters — conversion chart

Nearby Conversions

32.172 millimeters3.217 centimeters 33.172 millimeters3.317 centimeters 34.172 millimeters3.417 centimeters 35.172 millimeters3.517 centimeters 36.172 millimeters3.617 centimeters 37.172 millimeters3.717 centimeters 38.172 millimeters3.817 centimeters 39.172 millimeters3.917 centimeters 40.172 millimeters4.017 centimeters 41.172 millimeters4.117 centimeters 43.172 millimeters4.317 centimeters 44.172 millimeters4.417 centimeters 45.172 millimeters4.517 centimeters 46.172 millimeters4.617 centimeters 47.172 millimeters4.717 centimeters 48.172 millimeters4.817 centimeters 49.172 millimeters4.917 centimeters 50.172 millimeters5.017 centimeters 51.172 millimeters5.117 centimeters 52.172 millimeters5.217 centimeters

For general conversions between millimeters and centimeters, see the millimeters to centimeters 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.