Here is how to convert 518 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 518 as a fraction is 518/1. Therefore, to get the fractional answer to 518 mm in inches, we multiply 518/1 by 5/127 and simplify if necessary.
cm × 5/127 = inches
518/1 × 5/127 = inches
518/1 × 5/127 = 20 50/127
518/1 mm = 20 50/127 inches
518 mm = 20 50/127 inches
As promised above, we also have the answer to 518 mm in inches in decimal form. Although the fractional answer above is exact, the decimal answer may be rounded if necessary:
20 50/127 ≈ 20.3937007874016
20 50/127 ≈ 20.39370
518 mm ≈ 20.39370 inches
Our image below shows 518 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 518 mm and 20.39370 inches meet on the measuring tape.
Millimeters to Inches Calculator
Here you can convert another length in millimeters to inches.
What is 518.1 mm in inches?
Here is another inches to millimeters calculation that we have done for you.