Conversion Tables
Ensure you purchase the correct CNC Cutting Tools, with our handy conversion charts
To view all of the table below scroll across to view more information
Imperial to Metric
The imperial system (also known as British Imperial) is still used widely today, though it is often important to convert measurements into the metric equivalent. See the imperial to metric conversion table below for a full list of conversions.
1inch = 25.4 mm | 1 foot. = 304.8 mm | 1 yard = 914.4 mm |
Inch | % | mm | Inch | % | mm | |
0 | 0 | 0 | ½ | 0.5 | 12.7000 | |
1/64 | 0.015625 | 0.3969 | 33/64 | 0.515625 | 13.0969 | |
1/32 | 0.03125 | 0.7938 | 17/32 | 0.53125 | 13.34938 | |
3/64 | 0.046875 | 1.1906 | 35/64 | 0.546875 | 13.8906 | |
1/16 | 0.0625 | 1.5875 | 9/16 | 0.5625 | 14.2875 | |
5/64 | 0.078125 | 1.9844 | 37/64 | 0.578125 | 14.6844 | |
3/32 | 0.09375 | 2.3812 | 19/32 | 0.59375 | 15.0812 | |
7/64 | 0.109375 | 2.7781 | 39/64 | 0.609375 | 15.4781 | |
1/8 | 0.125 | 3.1750 | 5/8 | 0.625 | 15.8750 | |
9/64 | 0.140625 | 3.5719 | 41/64 | 0.640625 | 16.2719 | |
5/32 | 0.15625 | 3.9688 | 21/32 | 0.65625 | 16.6688 | |
11/64 | 0.171875 | 4.3656 | 43/64 | 0.671875 | 17.0656 | |
3/16 | 0.1875 | 4.7625 | 11/16 | 0.6875 | 17.4625 | |
13/64 | 0.203125 | 5.1594 | 45/64 | 0.703125 | 17.8594 | |
7/32 | 0.21875 | 5.5562 | 23/32 | 0.71875 | 18.2562 | |
15/64 | 0.234375 | 5.9531 | 47/64 | 0.734375 | 18.6531 | |
¼ | 0.25 | 6.3500 | ¾ | 0.75 | 19.0500 | |
17/64 | 0.265625 | 6.7469 | 49/64 | 0.765625 | 19.4469 | |
9/32 | 0.28125 | 7.1438 | 25/32 | 0.78125 | 19.8438 | |
19/64 | 0.296875 | 7.54056 | 51/64 | 0.796875 | 20.2406 | |
5/16 | 0.3125 | 7.9375 | 13/16 | 0.8125 | 20.6375 | |
21/64 | 0.328125 | 8.3344 | 53/64 | 0.282125 | 21.0344 | |
11/32 | 0.35375 | 8.7312 | 27/32 | 0.84375 | 21.4312 | |
23/64 | 0.359375 | 9.1281 | 55/64 | 0.859375 | 21.8281 | |
3/8 | 0.375 | 9.5250 | 7/8 | 0.875 | 22.2250 | |
25/64 | 0.390625 | 9.9219 | 57/64 | 0.890625 | 22.6219 | |
13/32 | 0.40625 | 10.3188 | 29/32 | 0.90625 | 23.0188 | |
27/64 | 0.421875 | 10.7156 | 59/64 | 0.921875 | 23.4156 | |
7/16 | 0.4375 | 11.1125 | 16/16 | 0.9375 | 23.8125 | |
29/64 | 0.453125 | 11.5094 | 61/64 | 0.953125 | 24.2094 | |
15/32 | 0.46875 | 11.9062 | 31/32 | 0.96875 | 24.6062 | |
31/64 | 0.484375 | 12.3031 | 63/64 | 0.984375 | 25.0031 | |
Metric to Imperial
If you would prefer to work in inches and feet, use our metric to imperial conversion table below.
1 mm = .03937 inch | 1 cm = .3937 inch | 1 m = 3.281foot |
mm |
inches | mm | inches | mm | inches | ||
1 | 0.03937 | 36 | 1.41732 | 260 | 10.23622 | ||
2 | 0.07874 | 37 | 1.45669 | 270 | 10.62992 | ||
3 | 0.11811 | 38 | 1.49606 | 280 | 11.02362 | ||
4 | 0.15748 | 39 | 1.53543 | 290 | 11.41732 | ||
5 | 0.19685 | 40 | 1.57480 | 300 | 11.81102 | ||
6 | 0.23622 | 41 | 1.61417 | 310 | 12.20472 | ||
7 | 0.27559 | 42 | 1.65354 | 320 | 12.59842 | ||
8 | 0.31496 | 43 | 1.69291 | 330 | 12.99212 | ||
9 | 0.35433 | 44 | 1.73228 | 340 | 13.38582 | ||
10 | 0.93970 | 45 | 1.77165 | 350 | 13.77952 | ||
11 | 0.43307 | 46 | 1.81102 | 360 | 14.17322 | ||
12 | 0.47244 | 47 | 1.85039 | 370 | 14.56692 | ||
13 | 0.51181 | 48 | 1.88976 | 380 | 14.96063 | ||
14 | 0.55118 | 49 | 1.92913 | 390 | 15.35433 | ||
15 | 0.59055 | 50 | 1.96850 | 400 | 15.74803 | ||
16 | 0.62992 | 60 | 2.36220 | 410 | 16.14173 | ||
17 | 0.66929 | 70 | 2.75590 | 420 | 16.53543 | ||
18 | 0.70866 | 80 | 3.14960 | 430 | 16.92913 | ||
19 | 0.74803 | 90 | 3.54330 | 440 | 17.32283 | ||
20 | 0.78740 | 100 | 3.9370 | 450 | 17.71653 | ||
21 | 0.82677 | 110 | 4.33070 | 460 | 18.11023 | ||
22 | 0.86614 | 120 | 4.72440 | 470 | 18.50393 | ||
23 | 0.90551 | 130 | 5.11811 | 480 | 18.89763 | ||
24 | 0.94488 | 140 | 5.51181 | 490 | 19.29133 | ||
25 | 0.98425 | 150 | 5.90551 | 500 | 19.68504 | ||
26 | 1.02362 | 160 | 6.29921 | ||||
27 | 1.06299 | 170 | 6.69291 | ||||
28 | 1.10236 | 180 | 7.08661 | ||||
29 | 1.14173 | 190 | 7.48031 | ||||
30 | 1.18110 | 200 | 7.87401 | ||||
31 | 1.22047 | 210 | 8.26771 | ||||
32 | 1.25984 | 220 | 8.66141 | ||||
33 | 1.29921 | 230 | 9.05511 | ||||
34 | 1.33858 | 240 | 9.44881 | ||||
35 | 1.37795 | 250 | 9.84252 |