
Here is how to convert 670 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 670 as a fraction is 670/1. Therefore, to get the fractional answer to 670 mm in inches, we multiply 670/1 by 5/127 and simplify if necessary.
cm × 5/127 = inches
670/1 × 5/127 = inches
670/1 × 5/127 = 26 48/127
670/1 mm = 26 48/127 inches
670 mm = 26 48/127 inches
As promised above, we also have the answer to 670 mm in inches in decimal form. Although the fractional answer above is exact, the decimal answer may be rounded if necessary:
26 48/127 ≈ 26.3779527559055
26 48/127 ≈ 26.37795
670 mm ≈ 26.37795 inches
Our image below shows 670 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 670 mm and 26.37795 inches meet on the measuring tape.
Millimeters to Inches Calculator
Here you can convert another length in millimeters to inches.
What is 670.1 mm in inches?
Here is another inches to millimeters calculation that we have done for you.