42 mm to inches | 1.65354 in |
To calculate shorter dimensions, an inch or mm are usually used. Both are metric measurement units used to calculate the length or distance of an object. A millimeter is a unit of measurement smaller than an inch.
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42 millimeters is equal to 1.65354 inches:
Divide 42 millimeters by 25.4 to get inches:
42mm = (42/25.4)″ = 1.65354″
The distance “a” in inches (″) is equivalent to the distance “a” in millimeters (mm) divided by 25.4.
a(″) = a(mm) / 25.4
Convert 25 mm to inches:
a(″) = 25mm / 25.4 = 0.984252″
One millimeter is equal to 0.03937 inches:
1mm = 1mm / 25.4mm/in = 0.03937in
One inch is equal to 25.4 millimeters:
1in = 25.4mm/in × 1in = 25.4mm