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How many centimeters in 42 millimeters? Convert 42 millimeters to centimeters with our accurate calculator. Get instant, precise results for all your conversion needs.
Conversion Formula
1 mm = 0.1 cmcentimeter = millimeter ÷ 1042 ÷ 10 = 4.200042 millimeter = 4.2000 centimeter
Quick estimation for 42millimeter: Mentally shift the decimal one place left, making 42mm approximately 4.2cm.
Precise calculation approach: Multiply 42 by the conversion factor 0.100000, yielding exactly 4.2000 centimeter.
Visual reference technique: Imagine a standard ruler where 42mm spans 4 full centimeters and 2 additional small millimeter marks.
To convert 42 millimeter to centimeter, multiply by the conversion factor 0.100000. So, 42 x 0.100000 = 4.2000 centimeter.
42 millimeter equals exactly 4.200000 centimeter. For practical purposes, this is often rounded to 4.2000 centimeter.
Objects measuring approximately 42 millimeter include the length of an M.2 2242 SSD, the diameter of a standard golf ball, or the outer diameter of a DN32 (1 1/4 inch) pipe.
Converting millimeter to centimeter is useful for simplifying larger dimensions for easier readability, aligning with standard measurements in fields like construction plans or textiles, and ensuring international compatibility in trade and engineering.
The easiest way is to remember to 'move the decimal one place to the left'. Think of a standard ruler where 10 small lines (millimeters) make one larger line (centimeter).