﻿ How many mm in a inch ?

# How many mm in a inch ?

An inch (plural: inches, symbol: in) is a unit of length. An inch is defined to be exactly 25.4 mm. There are 12 inches in a foot and therefore 36 inches in a yard.

This tool converts inches to millimeters (in to mm) and vice versa. 1 inch = 25.4 millimeters. The user must fill one of the two fields and the conversion will become automatically.

 inches(in) millimeter(mm) <=> precision:auto0 decimal1 decimal2 decimals3 decimals4 decimals5 decimals6 decimals7 decimals8 decimals9 decimals10 decimals11 decimals12 decimals

1 inches = 25.4 millimeters

Formula inches in millimeters (in in mm). Millimeter = inch*25.4

### Conversions inches to other units

 Inch to Foot Inch to Millimeter Inch to Centimeter Inch to Meter Inch to Kilometer Inch to Yard Inch to Mile Inch to Nautical mile

Table inches to millimeters
1 inches = 25.4 millimeters11 inches = 279.4 millimeters21 inches = 533.4 millimeters
2 inches = 50.8 millimeters12 inches = 304.8 millimeters22 inches = 558.8 millimeters
3 inches = 76.2 millimeters13 inches = 330.2 millimeters23 inches = 584.2 millimeters
4 inches = 101.6 millimeters14 inches = 355.6 millimeters24 inches = 609.6 millimeters
5 inches = 127 millimeters15 inches = 381 millimeters25 inches = 635 millimeters
6 inches = 152.4 millimeters16 inches = 406.4 millimeters26 inches = 660.4 millimeters
7 inches = 177.8 millimeters17 inches = 431.8 millimeters27 inches = 685.8 millimeters
8 inches = 203.2 millimeters18 inches = 457.2 millimeters28 inches = 711.2 millimeters
9 inches = 228.6 millimeters19 inches = 482.6 millimeters29 inches = 736.6 millimeters
10 inches = 254 millimeters20 inches = 508 millimeters30 inches = 762 millimeters
40 inches = 1016 millimeters70 inches = 1778 millimeters100 inches = 2540 millimeters
50 inches = 1270 millimeters80 inches = 2032 millimeters110 inches = 2794 millimeters
60 inches = 1524 millimeters90 inches = 2286 millimeters120 inches = 3048 millimeters
200 inches = 5080 millimeters500 inches = 12700 millimeters800 inches = 20320 millimeters
300 inches = 7620 millimeters600 inches = 15240 millimeters900 inches = 22860 millimeters
400 inches = 10160 millimeters700 inches = 17780 millimeters1000 inches = 25400 millimeters

### Length Conversions

 Foot to Millimeter Foot to Centimeter Foot to Meter Foot to Kilometer Foot to Yard Foot to Mile Foot to Nautical mile Foot to Inch Millimeter to Foot Millimeter to Centimeter Millimeter to Meter Millimeter to Kilometer Millimeter to Yard Millimeter to Mile Millimeter to Nautical mile Millimeter to Inch Centimeter to Foot Centimeter to Millimeter Centimeter to Meter Centimeter to Kilometer Centimeter to Yard Centimeter to Mile Centimeter to Nautical mile Centimeter to Inch Meter to Foot Meter to Millimeter Meter to Centimeter Meter to Kilometer Meter to Yard Meter to Mile Meter to Nautical mile Meter to Inch Kilometer to Foot Kilometer to Millimeter Kilometer to Centimeter Kilometer to Meter Kilometer to Yard Kilometer to Mile Kilometer to Nautical mile Kilometer to Inch Yard to Foot Yard to Millimeter Yard to Centimeter Yard to Meter Yard to Kilometer Yard to Mile Yard to Nautical mile Yard to Inch Mile to Foot Mile to Millimeter Mile to Centimeter Mile to Meter Mile to Kilometer Mile to Yard Mile to Nautical mile Mile to Inch Nautical mile to Foot Nautical mile to Millimeter Nautical mile to Centimeter Nautical mile to Meter Nautical mile to Kilometer Nautical mile to Yard Nautical mile to Mile Nautical mile to Inch