Here is how to convert 12.5 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 12.5 as a fraction is 25/2. Therefore, to get the fractional answer to 12.5 mm in inches, we multiply 25/2 by 5/127 and simplify if necessary.
cm × 5/127 = inches
25/2 × 5/127 = inches
25/2 × 5/127 = 125/254
25/2 mm = 125/254 inches
12.5 mm = 125/254 inches
As promised above, we also have the answer to 12.5 mm in inches in decimal form. Although the fractional answer above is exact, the decimal answer may be rounded if necessary:
125/254 ≈ 0.492125984251969
125/254 ≈ 0.49213
12.5 mm ≈ 0.49213 inches
Our image below shows 12.5 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 12.5 mm and 0.49213 inches meet on the measuring tape.
Millimeters to Inches Calculator
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