
Here is how to convert 800 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 800 as a fraction is 800/1. Therefore, to get the fractional answer to 800 mm in inches, we multiply 800/1 by 5/127 and simplify if necessary.
cm × 5/127 = inches
800/1 × 5/127 = inches
800/1 × 5/127 = 31 63/127
800/1 mm = 31 63/127 inches
800 mm = 31 63/127 inches
As promised above, we also have the answer to 800 mm in inches in decimal form. Although the fractional answer above is exact, the decimal answer may be rounded if necessary:
31 63/127 ≈ 31.496062992126
31 63/127 ≈ 31.49606
800 mm ≈ 31.49606 inches
Our image below shows 800 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 800 mm and 31.49606 inches meet on the measuring tape.
Millimeters to Inches Calculator
Here you can convert another length in millimeters to inches.
What is 800.1 mm in inches?
Here is another inches to millimeters calculation that we have done for you.