
Here is how to convert 263.4 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 263.4 as a fraction is 1317/5. Therefore, to get the fractional answer to 263.4 mm in inches, we multiply 1317/5 by 5/127 and simplify if necessary.
cm × 5/127 = inches
1317/5 × 5/127 = inches
1317/5 × 5/127 = 10 47/127
1317/5 mm = 10 47/127 inches
263.4 mm = 10 47/127 inches
As promised above, we also have the answer to 263.4 mm in inches in decimal form. Although the fractional answer above is exact, the decimal answer may be rounded if necessary:
10 47/127 ≈ 10.3700787401575
10 47/127 ≈ 10.37008
263.4 mm ≈ 10.37008 inches
Our image below shows 263.4 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 263.4 mm and 10.37008 inches meet on the measuring tape.
Millimeters to Inches Calculator
Here you can convert another length in millimeters to inches.
What is 263.5 mm in inches?
Here is another inches to millimeters calculation that we have done for you.