Here is how to convert 42.5 mm to inches. We will give you the fractional answer, the decimal answer, and illustrate the answer on our tape measure.
One millimeter is equal to 5/127 inches, and 42.5 as a fraction is 85/2. Therefore, to get the fractional answer to 42.5 mm in inches, we multiply 85/2 by 5/127 and simplify if necessary.
cm × 5/127 = inches
85/2 × 5/127 = inches
85/2 × 5/127 = 1 171/254
85/2 mm = 1 171/254 inches
42.5 mm = 1 171/254 inches
As promised above, we also have the answer to 42.5 mm in inches in decimal form. Although the fractional answer above is exact, the decimal answer may be rounded if necessary:
1 171/254 ≈ 1.67322834645669
1 171/254 ≈ 1.67323
42.5 mm ≈ 1.67323 inches
Our image below shows 42.5 mm on a tape measure. The top row of the tape measure is inches, and each mark on the bottom row is 1 millimeter (10 millimeter marks equal 1 centimeter).
As you can see, we drew a red line where 42.5 mm and 1.67323 inches meet on the measuring tape.
Millimeters to Inches Calculator
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