Here is how to convert 685 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 685 as a fraction is 685/1. Therefore, to get the fractional answer to 685 mm in inches, we multiply 685/1 by 5/127 and simplify if necessary.
cm × 5/127 = inches
685/1 × 5/127 = inches
685/1 × 5/127 = 26 123/127
685/1 mm = 26 123/127 inches
685 mm = 26 123/127 inches
As promised above, we also have the answer to 685 mm in inches in decimal form. Although the fractional answer above is exact, the decimal answer may be rounded if necessary:
26 123/127 ≈ 26.9685039370079
26 123/127 ≈ 26.96850
685 mm ≈ 26.96850 inches
Our image below shows 685 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 685 mm and 26.96850 inches meet on the measuring tape.
Millimeters to Inches Calculator
Here you can convert another length in millimeters to inches.
What is 685.1 mm in inches?
Here is another inches to millimeters calculation that we have done for you.