42 Mils to Millimeters

42 mil = 1.0668 mm

Calculation: mm = 42 mil × 0.0254 = 1.0668 mm

Mil to Millimeter 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 mil?

42 mil (0.11 cm) is a very small measurement — thinner than a pencil lead.

42 mil on the millimeter scale

mil01020304050mm00.20.40.60.811.2

42 mil = 1.067 mm

Did you know? Thickness of a credit card is 0.1 cm.

A standard credit card is about 0.76 mm (0.076 cm) thick — less than 1 millimeter.

How to Convert Mil to Millimeter

1 mil = 0.0254 millimeters

Millimeter = Mil × 0.0254

Example: 42 mil × 0.0254 = 1.0668 mm

Reverse Conversion

To convert millimeters back to mils:

  • Remember, 1 millimeter equals 39.3701 mils.
  • To convert 1.0668 mm to mil, multiply 1.0668 x 39.3701, resulting in 42 mil.

42 mil is also equal to:

  • 0.10668 centimeter
  • 0.0010668 meter
  • 0.042 inch
  • 0.0035 feet
  • 0.0011667 yard

Frequently Asked Questions

How much is 42 mils in millimeters?

42 mils equals 1.0668 millimeters. This is calculated by multiplying 42 by the conversion factor 0.0254.

What does 42 mils look like in millimeters?

42 mils corresponds to 1.0668 millimeters, a conversion commonly used in construction, travel, and manufacturing.

How do you calculate 42 mils to millimeters?

Multiply 42 by the conversion factor 0.0254. The calculation is 42 × 0.0254 = 1.0668 millimeters. This factor is defined by international measurement standards.

Share This Calculation

42 mils = 1.0668 millimeters
42 mils = 1.0668 millimeters — conversion chart

Nearby Conversions

32 mils0.8128 millimeters 33 mils0.8382 millimeters 34 mils0.8636 millimeters 35 mils0.889 millimeters 36 mils0.9144 millimeters 37 mils0.9398 millimeters 38 mils0.9652 millimeters 39 mils0.9906 millimeters 40 mils1.016 millimeters 41 mils1.041 millimeters 43 mils1.092 millimeters 44 mils1.118 millimeters 45 mils1.143 millimeters 46 mils1.168 millimeters 47 mils1.194 millimeters 48 mils1.219 millimeters 49 mils1.245 millimeters 50 mils1.27 millimeters 51 mils1.295 millimeters 52 mils1.321 millimeters

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

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.