Here is how to convert 84.2 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 84.2 as a fraction is 421/5. Therefore, to get the fractional answer to 84.2 mm in inches, we multiply 421/5 by 5/127 and simplify if necessary.
cm × 5/127 = inches
421/5 × 5/127 = inches
421/5 × 5/127 = 3 40/127
421/5 mm = 3 40/127 inches
84.2 mm = 3 40/127 inches
As promised above, we also have the answer to 84.2 mm in inches in decimal form. Although the fractional answer above is exact, the decimal answer may be rounded if necessary:
3 40/127 ≈ 3.31496062992126
3 40/127 ≈ 3.31496
84.2 mm ≈ 3.31496 inches
Our image below shows 84.2 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 84.2 mm and 3.31496 inches meet on the measuring tape.
Millimeters to Inches Calculator
Here you can convert another length in millimeters to inches.
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