
Here is how to convert 208.4 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 208.4 as a fraction is 1042/5. Therefore, to get the fractional answer to 208.4 mm in inches, we multiply 1042/5 by 5/127 and simplify if necessary.
cm × 5/127 = inches
1042/5 × 5/127 = inches
1042/5 × 5/127 = 8 26/127
1042/5 mm = 8 26/127 inches
208.4 mm = 8 26/127 inches
As promised above, we also have the answer to 208.4 mm in inches in decimal form. Although the fractional answer above is exact, the decimal answer may be rounded if necessary:
8 26/127 ≈ 8.20472440944882
8 26/127 ≈ 8.20472
208.4 mm ≈ 8.20472 inches
Our image below shows 208.4 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 208.4 mm and 8.20472 inches meet on the measuring tape.
Millimeters to Inches Calculator
Here you can convert another length in millimeters to inches.
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