Here is how to convert 1020 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 1020 as a fraction is 1020/1. Therefore, to get the fractional answer to 1020 mm in inches, we multiply 1020/1 by 5/127 and simplify if necessary.
cm × 5/127 = inches
1020/1 × 5/127 = inches
1020/1 × 5/127 = 40 20/127
1020/1 mm = 40 20/127 inches
1020 mm = 40 20/127 inches
As promised above, we also have the answer to 1020 mm in inches in decimal form. Although the fractional answer above is exact, the decimal answer may be rounded if necessary:
40 20/127 ≈ 40.1574803149606
40 20/127 ≈ 40.15748
1020 mm ≈ 40.15748 inches
Our image below shows 1020 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 1020 mm and 40.15748 inches meet on the measuring tape.
Millimeters to Inches Calculator
Here you can convert another length in millimeters to inches.
What is 1020.1 mm in inches?
Here is another inches to millimeters calculation that we have done for you.