Millimeter in Inch Inch in Millimeter mm in. mm in. in. mm in. mm 0.1 0.0039 58 2.283 0.001 0.025 1 15/16 49.21 0.2 0.0078 59 2.323 0.002 0.051 2 50.80 0.3 0.0118 60 2.362 0.003 0.076 2 1/16 52.39 0.4 0.0157 61 2.401 0.004 0.102 2.1 53.34 0.5 0.0197 62 2.441 0.005 0.127 2 1/8 53.97 0.6 0.0236 63 2.480 0.006 0.152 2 3/16 55.56 0.7 0.0275 64 2.519 0.007 0.178 2.2 55.88 0.8 0.0315 65 2.559 0.008 0.203 2 1/4 57.15 0.9 0.0354 66 2.598 0.009 0.229 2.3 58.42 1 0.0394 67 2.638 0.010 0.254 2 5/16 58.74 2 0.0787 68 2.677 1/64 0.397 2 3/8 60.32 3 0.1181 69 2.716 0.020 0.508 2.4 60.96 4 0.1575 70 2.756 0.030 0.762 2 7/16 61.91 5 0.1968 71 2.795 1/32 0.794 2 1/2 63.50 6 0.2362 72 2.834 0.040 1.016 2 9/16 65.09 7 0.2756 73 2.874 0.050 1.270 2.6 66.04 8 0.3149 74 2.913 0.060 1.524 2 5/8 66.67 9 0.3543 75 2.953 1/16 1.588 2 11/16 68.26 10 0.3937 76 2.992 0.070 1.778 2.7 68.58 11 0.4331 77 3.031 0.080 2.032 2 3/4 69.85 12 0.4724 78 3.071 0.090 2.286 2.8 71.12 13 0.5118 79 3.110 0.1 2.540 2 13/16 71.44 14 0.5512 80 3.149 1/8 3.175 2 7/8 73.02 15 0.5905 81 3.189 3/16 4.762 2.9 73.66 16 0.6299 82 3.228 0.2 5.080 2 15/16 74.61 17 0.6693 83 3.268 1/4 6.350 3 76.20 18 0.7086 84 3.307 0.3 7.620 3 1/16 77.79 19 0.7480 85 3.346 5/16 7.938 3.1 78.74 20 0.7874 86 3.386 3/8 9.525 3 1/8 79.37 21 0.8268 87 3.425 0.4 10.160 3 3/16 80.96 22 0.8661 88 3.464 7/16 11.112 3.2 81.28 23 0.9055 89 3.504 1/2 12.700 3 1/4 82.55 24 0.9449 90 3.543 9/16 14.288 3.3 83.82 25 0.9842 91 3.582 0.6 15.240 3 5/16 84.14 26 1.024 92 3.622 5/8 15.875 3 3/8 85.72 27 1.063 93 3.661 11/16 17.462 3.4 86.36 28 1.102 94 3.701 0.7 17.780 3 7/16 87.31 29 1.142 95 3.740 3/4 19.050 3 1/2 88.90 30 1.181 96 3.779 0.8 20.320 3 9/16 90.49 31 1.220 97 3.819 13/16 20.638 3.6 91.44 32 1.260 98 3.858 7/8 22.225 3 5/8 92.07 33 1.299 99 3.897 0.9 22.860 3 11/16 93.66 34 1.338 100 3.937 15/16 23.812 3.7 93.98 35 1.378 101 3.976 1 25.40 3 3/4 95.25 36 1.417 102 4.016 11/16 26.99 3.8 96.52 37 1.456 103 4.055 1.1 27.94 3 13/16 96.84 38 1.496 104 4.094 1 1/8 28.57 3 7/8 98.42 39 1.535 105 4.134 1 3/16 30.16 3.9 99.06 40 1.575 106 4.173 1.2 30.48 3 15/16 100.01 41 1.614 107 4.212 1 1/4 31.75 4 101.6 42 1.653 108 4.252 1.3 33.02 4 1/16 102.19 43 1.693 109 4.291 1 5/16 33.34 4.1 104.14 44 1.732 110 4.331 1 3/8 34.92 4 1/8 104.77 45 1.772 111 4.370 1.4 35.56 4 3/16 106.36 46 1.811 112 4.409 1 7/16 36.51 4.2 106.68 47 1.850 113 4.449 1 1/2 38.10 4 1/4 107.95 48 1.890 114 4.488 1 9/16 39.69 4.3 109.22 49 1.929 115 4.527 1.6 40.64 4 5/16 109.54 50 1.968 116 4.567 1 5/8 41.27 4 3/8 111.12 51 2.008 117 4.606 1 11/16 42.86 4.4 111.76 52 2.047 118 4.645 1.7 43.18 4 7/16 112.71 53 2.086 119 4.685 1 3/4 44.45 4 1/2 114.30 54 2.126 120 4.724 1.8 45.72 4 9/16 115.89 55 2.165 121 4.764 1 13/16 46.04 4.6 116.84 56 2.205 122 4.803 1 7/8 47.62 4 5/8 117.47 57 2.244 123 4.842 1.9 48.26 4 11/16 119.06