| mil | 1 mil | 2 mil | 3 mil | 4 mil | 5 mil | 6 mil | 7 mil | 8 mil | 9 mil | 10 mil | 11 mil | 12 mil | 13 mil | 14 mil | 15 mil | 16 mil | 17 mil | 18 mil | 19 mil | 20 mil | 21 mil | 22 mil | 23 mil | 24 mil | 25 mil | 26 mil | 27 mil | 28 mil | 29 mil | 30 mil | 31 mil | 32 mil | 33 mil | 34 mil | 35 mil | 36 mil | 37 mil | 38 mil | 39 mil | 40 mil | 41 mil | 42 mil | 43 mil | 44 mil | 45 mil | 46 mil | 47 mil | 48 mil | 49 mil | 50 mil | 51 mil | 52 mil | 53 mil | 54 mil | 55 mil | 56 mil | 57 mil | 58 mil | 59 mil | 60 mil | 61 mil | 62 mil | 63 mil | 64 mil | 65 mil | 66 mil | 67 mil | 68 mil | 69 mil | 70 mil | 71 mil | 72 mil | 73 mil | 74 mil | 75 mil | 76 mil | 77 mil | 78 mil | 79 mil | 80 mil | 81 mil | 82 mil | 83 mil | 84 mil | 85 mil | 86 mil | 87 mil | 88 mil | 89 mil | 90 mil | 91 mil | 92 mil | 93 mil | 94 mil | 95 mil | 96 mil | 97 mil | 98 mil | 99 mil | 100 mil |
| millimeter | 0.0254 mm | 0.0508 mm | 0.0762 mm | 0.1016 mm | 0.127 mm | 0.1524 mm | 0.1778 mm | 0.2032 mm | 0.2286 mm | 0.254 mm | 0.2794 mm | 0.3048 mm | 0.3302 mm | 0.3556 mm | 0.381 mm | 0.4064 mm | 0.4318 mm | 0.4572 mm | 0.4826 mm | 0.508 mm | 0.5334 mm | 0.5588 mm | 0.5842 mm | 0.6096 mm | 0.635 mm | 0.6604 mm | 0.6858 mm | 0.7112 mm | 0.7366 mm | 0.762 mm | 0.7874 mm | 0.8128 mm | 0.8382 mm | 0.8636 mm | 0.889 mm | 0.9144 mm | 0.9398 mm | 0.9652 mm | 0.9906 mm | 1.016 mm | 1.0414 mm | 1.0668 mm | 1.0922 mm | 1.1176 mm | 1.143 mm | 1.1684 mm | 1.1938 mm | 1.2192 mm | 1.2446 mm | 1.27 mm | 1.2954 mm | 1.3208 mm | 1.3462 mm | 1.3716 mm | 1.397 mm | 1.4224 mm | 1.4478 mm | 1.4732 mm | 1.4986 mm | 1.524 mm | 1.5494 mm | 1.5748 mm | 1.6002 mm | 1.6256 mm | 1.651 mm | 1.6764 mm | 1.7018 mm | 1.7272 mm | 1.7526 mm | 1.778 mm | 1.8034 mm | 1.8288 mm | 1.8542 mm | 1.8796 mm | 1.905 mm | 1.9304 mm | 1.9558 mm | 1.9812 mm | 2.0066 mm | 2.032 mm | 2.0574 mm | 2.0828 mm | 2.1082 mm | 2.1336 mm | 2.159 mm | 2.1844 mm | 2.2098 mm | 2.2352 mm | 2.2606 mm | 2.286 mm | 2.3114 mm | 2.3368 mm | 2.3622 mm | 2.3876 mm | 2.413 mm | 2.4384 mm | 2.4638 mm | 2.4892 mm | 2.5146 mm | 2.54 mm |
A thousandth of an inch is a derived unit of length in an inch-based system of units. Equal to 0.001 inches, it is normally referred to as a thou /ˈθaʊ/, a thousandth, or (particularly in the United States) a mil.
| 1 mils ≡ 0.0254 millimeters | 4 mils ≡ 0.1016 millimeters |
| 1.5 mils ≡ 0.0381 millimeters | 4.5 mils ≡ 0.1143 millimeters |
| 2 mils ≡ 0.0508 millimeters | 5 mils ≡ 0.127 millimeters |
| 2.5 mils ≡ 0.0635 millimeters | 5.5 mils ≡ 0.1397 millimeters |
| 3 mils ≡ 0.0762 millimeters | 6 mils ≡ 0.1524 millimeters |
The millimetre (International spelling as used by the International Bureau of Weights and Measures; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length. Therefore there are thousand millimetres in a metre. There are ten millimetres in a centimetre.
| 1 millimeters ≡ 39.370078740157 mils | 4 millimeters ≡ 157.48031496063 mils |
| 1.5 millimeters ≡ 59.055118110236 mils | 4.5 millimeters ≡ 177.16535433071 mils |
| 2 millimeters ≡ 78.740157480315 mils | 5 millimeters ≡ 196.85039370079 mils |
| 2.5 millimeters ≡ 98.425196850394 mils | 5.5 millimeters ≡ 216.53543307087 mils |
| 3 millimeters ≡ 118.11023622047 mils | 6 millimeters ≡ 236.22047244094 mils |
| 1 mils ≡ 0.0254 millimeters |
| 1 millimeters ≡ 39.3700787 mils |