What is 10 millimeters to inches? The answer is that 10 mm equals 0.3937 inches.
How to convert 10 mm to inches? We know that one inch is equal to 25.4 millimeters, so to convert 10 millimeters to inches, we must divide the amount of centimeters by 25.4, which means that 10 millimeters is equal to 10 mm ÷ 25.4 = 0.3937 inches.
See also: How to convert 10 inches to mm.