How many mm in an inch?
There are 25.4 mm in an inch. One foot is defined as 304.8 millimeters and there are 12 inches in a foot, if you divide 304.8 by 12, that makes 25.4 mm in an inch.
Common conversions from inches to mm:
- 1/4 inch = 6.35 mm
- 1/2 inch = 12.7 mm
- 3/4 inch = 19.05 mm
- 1 inch = 25.4 mm
- 2 inches = 50.8 mm
- 5 inches = 127 mm
- 10 inches = 254 mm
How to convert inches to mm?
1 Inch (in) is equal to 25.4 millimeters (mm). To convert inches to mm, multiply the inch value by 25.4.
For example, to find out how many millimeters there are in 12 inches, multiply 12 by 25.4, that makes 304.8 mm in 12 inches.
inches to mm formula
mm = inch * 25.4
What is an Inch?
Inch is an imperial and United States Customary systems unit of length, equal to one twelfth of a foot. 1 Inch = 25.4 mm. The symbol is "in".
What is a Millimeter?
Millimeter (millimetre) is a metric system unit of length, equal to 1/1000 of a meter (metre). 1 mm = 0.0393700787 inch. The symbol is "mm".
Please visit all length units conversion to convert all length units.