Here is how to convert 124.2 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 124.2 as a fraction is 621/5. Therefore, to get the fractional answer to 124.2 mm in inches, we multiply 621/5 by 5/127 and simplify if necessary.
cm × 5/127 = inches
621/5 × 5/127 = inches
621/5 × 5/127 = 4 113/127
621/5 mm = 4 113/127 inches
124.2 mm = 4 113/127 inches
As promised above, we also have the answer to 124.2 mm in inches in decimal form. Although the fractional answer above is exact, the decimal answer may be rounded if necessary:
4 113/127 ≈ 4.88976377952756
4 113/127 ≈ 4.88976
124.2 mm ≈ 4.88976 inches
Our image below shows 124.2 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 124.2 mm and 4.88976 inches meet on the measuring tape.
Millimeters to Inches Calculator
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