Here is how to convert 120 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 120 as a fraction is 120/1. Therefore, to get the fractional answer to 120 mm in inches, we multiply 120/1 by 5/127 and simplify if necessary.
cm × 5/127 = inches
120/1 × 5/127 = inches
120/1 × 5/127 = 4 92/127
120/1 mm = 4 92/127 inches
120 mm = 4 92/127 inches
As promised above, we also have the answer to 120 mm in inches in decimal form. Although the fractional answer above is exact, the decimal answer may be rounded if necessary:
4 92/127 ≈ 4.7244094488189
4 92/127 ≈ 4.72441
120 mm ≈ 4.72441 inches
Our image below shows 120 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 120 mm and 4.72441 inches meet on the measuring tape.
Millimeters to Inches Calculator
Here you can convert another length in millimeters to inches.
What is 120.1 mm in inches?
Here is another inches to millimeters calculation that we have done for you.