Inches to Millimeters Conversion

inches to mm table

in 1/8 1/4 1/2 3/4 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 60 70 80 90 100
mm 3.18 6.35 12.7 19.05 25.4 38.1 50.8 63.5 76.2 88.9 101.6 114.3 127 139.7 152.4 165.1 177.8 190.5 203.2 215.9 228.6 241.3 254 279.4 304.8 330.2 355.6 381 406.4 431.8 457.2 482.6 508 533.4 558.8 584.2 609.6 635 660.4 685.8 711.2 736.6 762 787.4 812.8 838.2 863.6 889 914.4 939.8 965.2 990.6 1016 1041.4 1066.8 1092.2 1117.6 1143 1168.4 1193.8 1219.2 1244.6 1270 1524 1778 2032 2286 2540
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step
Round:
Enter Inch
Enter Millimeter

How many millimeters in an inch?

There are 25.4 millimeters in an inch. To convert inches to mm, multiply the inch value by 25.4.

For example, to find out how many millimeters there are in an inch and a half, multiply 1.5 by 25.4, that makes 38.1 mm in an inch and a half.

inches to mm formula

mm = in * 25.4

1 Inch = 25.4 Millimeters

What is an Inch?

Inch is an imperial and United States Customary length unit. 1 in = 25.4 mm. The symbol is "in".

You may also use length conversion to convert all length units.

Create Conversion Table
Click "Create Table". Enter a "Start" value (5, 100 etc). Select an "Increment" value (0.01, 5 etc) and select "Accuracy" to round the result.