MILLIMETERS to INCHES (mm x 0.03937 = inches)
| mm | in. | mm | in. | mm | in. | mm | in. |
| .1 | .0039 | 25 | .9842 | 58 | 2.283 | 91 | 3.582 |
| .2 | .0078 | 26 | 1.024 | 59 | 2.323 | 92 | 3.622 |
| .3 | .0118 | 27 | 1.063 | 60 | 2.362 | 93 | 3.661 |
| .4 | .0157 | 28 | 1.102 | 61 | 2.401 | 94 | 3.701 |
| .5 | .0197 | 29 | 1.142 | 62 | 2.441 | 95 | 3.740 |
| .6 | .0236 | 30 | 1.181 | 63 | 2.480 | 96 | 3.779 |
| .7 | .0275 | 31 | 1.220 | 64 | 2.519 | 97 | 3.819 |
| .8 | .0315 | 32 | 1.260 | 65 | 2.559 | 98 | 3.858 |
| .9 | .0354 | 33 | 1.299 | 66 | 2.598 | 99 | 3.897 |
| 1 | .0394 | 34 | 1.338 | 67 | 2.638 | 100 | 3.937 |
| 2 | .0787 | 35 | 1.378 | 68 | 2.677 | 101 | 3.976 |
| 3 | .1181 | 36 | 1.417 | 69 | 2.716 | 102 | 4.016 |
| 4 | .1575 | 37 | 1.456 | 70 | 2.756 | 103 | 4.055 |
| 5 | .1968 | 38 | 1.496 | 71 | 2.795 | 104 | 4.094 |
| 6 | .2362 | 39 | 1.535 | 72 | 2.834 | 105 | 4.134 |
| 7 | .2756 | 40 | 1.575 | 73 | 2.874 | 106 | 4.173 |
| 8 | .3149 | 41 | 1.614 | 74 | 2.913 | 107 | 4.212 |
| 9 | .3543 | 42 | 1.653 | 75 | 2.953 | 108 | 4.252 |
| 10 | .3937 | 43 | 1.693 | 76 | 2.992 | 109 | 4.291 |
| 11 | .4331 | 44 | 1.732 | 77 | 3.031 | 110 | 4.331 |
| 12 | .4724 | 45 | 1.772 | 78 | 3.071 | 111 | 4.370 |
| 13 | .5118 | 46 | 1.811 | 79 | 3.110 | 112 | 4.409 |
| 14 | .5512 | 47 | 1.850 | 80 | 3.149 | 113 | 4.449 |
| 15 | .5905 | 48 | 1.890 | 81 | 3.189 | 114 | 4.488 |
| 16 | .6299 | 49 | 1.929 | 82 | 3.228 | 115 | 4.527 |
| 17 | .6693 | 50 | 1.968 | 83 | 3.268 | 116 | 4.567 |
| 18 | .7086 | 51 | 2.008 | 84 | 3.307 | 117 | 4.606 |
| 19 | .7480 | 52 | 2.047 | 85 | 3.346 | 118 | 4.645 |
| 20 | .7874 | 53 | 2.086 | 86 | 3.386 | 119 | 4.685 |
| 21 | .8268 | 54 | 2.126 | 87 | 3.425 | 120 | 4.724 |
| 22 | .8661 | 55 | 2.165 | 88 | 3.464 | 121 | 4.764 |
| 23 | .9055 | 56 | 2.205 | 89 | 3.504 | 122 | 4.803 |
| 24 | .9449 | 57 | 2.244 | 90 | 3.543 | 123 | 4.842 |
INCHES to MILLIMETERS (inches x 25.40 = mm)
| in. | mm | in. | mm | in. | mm | in. | mm |
| .001 | .025 | .6 | 15.240 | 1 15/16 | 49.21 | 3 5/16 | 84.14 |
| .002 | .051 | 5/8 | 15.875 | 2 | 50.80 | 3 3/8 | 85.72 |
| .003 | .076 | 11/16 | 17.462 | 2 1/i6 | 52.39 | 3.4 | 86.36 |
| .004 | .102 | .7 | 17.780 | 2.1 | 53.34 | 3 7/16 | 87.31 |
| .005 | .127 | 3/4 | 19.050 | 2 1/8 | 53.97 | 3 1/2 | 88.90 |
| .006 | .152 | .8 | 20.320 | 2 3/16 | 55.56 | 3 9/16 | 90.49 |
| .007 | .178 | 13/16 | 20.638 | 2.2 | 55.88 | 3.6 | 91.44 |
| .008 | .203 | 7/8 | 22.225 | 2 1/4 | 57.15 | 3 5/8 | 92.07 |
| .009 | .229 | .9 | 22.860 | 2.3 | 58.42 | 3 11/16 | 93.66 |
| .010 | .254 | 15/16 | 23.812 | 2 5/16 | 58.74 | 3.7 | 93.98 |
| 1/64 | .397 | 1 | 25.40 | 2 3/8 | 60.32 | 3 3/4 | 95.25 |
| .020 | .508 | 1 1/16 | 26.99 | 2.4 | 60.96 | 3.8 | 96.52 |
| .030 | .762 | 1.1 | 27.94 | 2 7/16 | 61.91 | 3 13/16 | 96.84 |
| 1/32 | .794 | 1 1/8 | 28.57 | 2 1/2 | 63.50 | 3 7/8 | 98.42 |
| .040 | 1.016 | 1 3/16 | 30.16 | 2 9/16 | 65.09 | 3.9 | 99.06 |
| .050 | 1.270 | 1.2 | 30.48 | 2.6 | 66.04 | 3 15/16 | 100.01 |
| .060 | 1.524 | 1 1/4 | 31.75 | 2 5/8 | 66.67 | 4 | 101.6 |
| 1/16 | 1.588 | 1.3 | 33.02 | 2 11/16 | 68.26 | 4 1/16 | 102.19 |
| .070 | 1.778 | 1 5/16 | 33.34 | 2.7 | 68.58 | 4.1 | 104.14 |
| .080 | 2.032 | 1 3/8 | 34.92 | 2 3/4 | 69.85 | 4 1/8 | 104.77 |
| .090 | 2.286 | 1.4 | 35.56 | 2.8 | 71.12 | 4 3/16 | 106.36 |
| .1 | 2.540 | 1 7/16 | 36.51 | 2 13/16 | 71.44 | 4.2 | 106.68 |
| 1/8 | 3.175 | 1 1/2 | 38.10 | 2 7/8 | 73.02 | 4 1/4 | 107.95 |
| 3/16 | 4.762 | 1 9/16 | 39.69 | 2.9 | 73.66 | 4.3 | 109.22 |
| .2 | 5.080 | 1.6 | 40.64 | 2 15/16 | 74.61 | 4 5/16 | 109.54 |
| 1/4 | 6.350 | 1 5/8 | 41.27 | 3 | 76.20 | 4 3/8 | 111.12 |
| .3 | 7.620 | 1 11/16 | 42.86 | 3 1/16 | 77.79 | 4.4 | 111.76 |
| 5/16 | 7.938 | 1.7 | 43.18 | 3.1 | 78.74 | 4 7/16 | 112.71 |
| 3/8 | 9.525 | 1 3/4 | 44.45 | 3 1/8 | 79.37 | 4 1/2 | 114.30 |
| .4 | 10.160 | 1.8 | 45.72 | 3 3/16 | 80.96 | 4 9/16 | 115.89 |
| 7/16 | 11.112 | 1 13/16 | 46.04 | 3.2 | 81.28 | 4.6 | 116.84 |
| 1/2 | 12.700 | 1 7/8 | 47.62 | 3 1/4 | 82.55 | 4 5/8 | 117.47 |
| 9/l6 | 14.288 | 1.9 | 48.26 | 3.3 | 83.82 | 4 11/16 | 119.06 |