Inches to Millimeters Converter
View all length convertersConvert between inches and millimeters quickly and easily.
inches
millimeters
Formula: mm = in × 25.4
Common Inches to Millimeters Conversions
0.03937 inches
1 millimeters
0.1 inches
2.54 millimeters
0.5 inches
12.7 millimeters
1 inches
25.4 millimeters
2 inches
50.8 millimeters
10 inches
254 millimeters
100 inches
2540 millimeters
About Inches to Millimeters Conversion
The inch (symbol: in) is a unit of length in the imperial and US customary systems of measurement. One inch is defined as 1⁄12 of a foot and is therefore 1⁄36 of a yard. According to the modern definition, one inch is equal to 25.4 millimeters exactly.
The millimeter (symbol: mm) is a unit of length in the metric system, equal to one thousandth of a meter, which is the SI base unit of length.