First, note that mm is the same as millimeters and cm is the same as centimeters. Thus, when you are asking to convert 40 mm to cm, you are asking to convert 40 millimeters to centimeters.

A millimeter is smaller than a centimeter. Simply put, mm is smaller than cm. In fact, a millimeter is "10 to the power of -1" smaller than a centimeter.

Since a millimeter is 10^-1 smaller than a centimeter, it means that the conversion factor for mm to cm is 10^-1. Therefore, you can multiply 40 mm by 10^-1 to get 40 mm converted to cm.

Here is the answer with the math showing you how to convert 40 mm to cm by multiplying 40 by the conversion factor of 10^-1.

40 x 10^-1 = 4

40 mm = 4 cm

mm to cm Converter Need to convert another mm to cm? No problem! Submit another measurement of millimeters (mm) that you want to convert to centimeters (cm).

41 mm to cm Go here for the next measurement of millimeters (mm) on our list that we have converted to centimeters (cm).

As you may have concluded from learning how to convert 40 mm to cm above, "40 millimeters to centimeters", "40 mm to cm", "40 mm to centimeters", and "40 millimeters to cm" are all the same thing.

              

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