circular mil | 1 circ mil | 2 circ mil | 3 circ mil | 4 circ mil | 5 circ mil | 6 circ mil | 7 circ mil | 8 circ mil | 9 circ mil | 10 circ mil | 11 circ mil | 12 circ mil | 13 circ mil | 14 circ mil | 15 circ mil | 16 circ mil | 17 circ mil | 18 circ mil | 19 circ mil | 20 circ mil | 21 circ mil | 22 circ mil | 23 circ mil | 24 circ mil | 25 circ mil | 26 circ mil | 27 circ mil | 28 circ mil | 29 circ mil | 30 circ mil | 31 circ mil | 32 circ mil | 33 circ mil | 34 circ mil | 35 circ mil | 36 circ mil | 37 circ mil | 38 circ mil | 39 circ mil | 40 circ mil | 41 circ mil | 42 circ mil | 43 circ mil | 44 circ mil | 45 circ mil | 46 circ mil | 47 circ mil | 48 circ mil | 49 circ mil | 50 circ mil | 51 circ mil | 52 circ mil | 53 circ mil | 54 circ mil | 55 circ mil | 56 circ mil | 57 circ mil | 58 circ mil | 59 circ mil | 60 circ mil | 61 circ mil | 62 circ mil | 63 circ mil | 64 circ mil | 65 circ mil | 66 circ mil | 67 circ mil | 68 circ mil | 69 circ mil | 70 circ mil | 71 circ mil | 72 circ mil | 73 circ mil | 74 circ mil | 75 circ mil | 76 circ mil | 77 circ mil | 78 circ mil | 79 circ mil | 80 circ mil | 81 circ mil | 82 circ mil | 83 circ mil | 84 circ mil | 85 circ mil | 86 circ mil | 87 circ mil | 88 circ mil | 89 circ mil | 90 circ mil | 91 circ mil | 92 circ mil | 93 circ mil | 94 circ mil | 95 circ mil | 96 circ mil | 97 circ mil | 98 circ mil | 99 circ mil | 100 circ mil |
square inch | 7.8539819579639 × 10-7 sq in | 1.5707963915928 × 10-6 sq in | 2.3561945873892 × 10-6 sq in | 3.1415927831856 × 10-6 sq in | 3.926990978982 × 10-6 sq in | 4.7123891747784 × 10-6 sq in | 5.4977873705747 × 10-6 sq in | 6.2831855663711 × 10-6 sq in | 7.0685837621675 × 10-6 sq in | 7.8539819579639 × 10-6 sq in | 8.6393801537603 × 10-6 sq in | 9.4247783495567 × 10-6 sq in | 1.0210176545353 × 10-5 sq in | 1.0995574741149 × 10-5 sq in | 1.1780972936946 × 10-5 sq in | 1.2566371132742 × 10-5 sq in | 1.3351769328539 × 10-5 sq in | 1.4137167524335 × 10-5 sq in | 1.4922565720131 × 10-5 sq in | 1.5707963915928 × 10-5 sq in | 1.6493362111724 × 10-5 sq in | 1.7278760307521 × 10-5 sq in | 1.8064158503317 × 10-5 sq in | 1.8849556699113 × 10-5 sq in | 1.963495489491 × 10-5 sq in | 2.0420353090706 × 10-5 sq in | 2.1205751286503 × 10-5 sq in | 2.1991149482299 × 10-5 sq in | 2.2776547678095 × 10-5 sq in | 2.3561945873892 × 10-5 sq in | 2.4347344069688 × 10-5 sq in | 2.5132742265485 × 10-5 sq in | 2.5918140461281 × 10-5 sq in | 2.6703538657077 × 10-5 sq in | 2.7488936852874 × 10-5 sq in | 2.827433504867 × 10-5 sq in | 2.9059733244466 × 10-5 sq in | 2.9845131440263 × 10-5 sq in | 3.0630529636059 × 10-5 sq in | 3.1415927831856 × 10-5 sq in | 3.2201326027652 × 10-5 sq in | 3.2986724223448 × 10-5 sq in | 3.3772122419245 × 10-5 sq in | 3.4557520615041 × 10-5 sq in | 3.5342918810838 × 10-5 sq in | 3.6128317006634 × 10-5 sq in | 3.691371520243 × 10-5 sq in | 3.7699113398227 × 10-5 sq in | 3.8484511594023 × 10-5 sq in | 3.926990978982 × 10-5 sq in | 4.0055307985616 × 10-5 sq in | 4.0840706181412 × 10-5 sq in | 4.1626104377209 × 10-5 sq in | 4.2411502573005 × 10-5 sq in | 4.3196900768802 × 10-5 sq in | 4.3982298964598 × 10-5 sq in | 4.4767697160394 × 10-5 sq in | 4.5553095356191 × 10-5 sq in | 4.6338493551987 × 10-5 sq in | 4.7123891747784 × 10-5 sq in | 4.790928994358 × 10-5 sq in | 4.8694688139376 × 10-5 sq in | 4.9480086335173 × 10-5 sq in | 5.0265484530969 × 10-5 sq in | 5.1050882726765 × 10-5 sq in | 5.1836280922562 × 10-5 sq in | 5.2621679118358 × 10-5 sq in | 5.3407077314155 × 10-5 sq in | 5.4192475509951 × 10-5 sq in | 5.4977873705747 × 10-5 sq in | 5.5763271901544 × 10-5 sq in | 5.654867009734 × 10-5 sq in | 5.7334068293137 × 10-5 sq in | 5.8119466488933 × 10-5 sq in | 5.8904864684729 × 10-5 sq in | 5.9690262880526 × 10-5 sq in | 6.0475661076322 × 10-5 sq in | 6.1261059272119 × 10-5 sq in | 6.2046457467915 × 10-5 sq in | 6.2831855663711 × 10-5 sq in | 6.3617253859508 × 10-5 sq in | 6.4402652055304 × 10-5 sq in | 6.5188050251101 × 10-5 sq in | 6.5973448446897 × 10-5 sq in | 6.6758846642693 × 10-5 sq in | 6.754424483849 × 10-5 sq in | 6.8329643034286 × 10-5 sq in | 6.9115041230082 × 10-5 sq in | 6.9900439425879 × 10-5 sq in | 7.0685837621675 × 10-5 sq in | 7.1471235817472 × 10-5 sq in | 7.2256634013268 × 10-5 sq in | 7.3042032209064 × 10-5 sq in | 7.3827430404861 × 10-5 sq in | 7.4612828600657 × 10-5 sq in | 7.5398226796454 × 10-5 sq in | 7.618362499225 × 10-5 sq in | 7.6969023188046 × 10-5 sq in | 7.7754421383843 × 10-5 sq in | 7.8539819579639 × 10-5 sq in |
A circular mil is a unit of area, equal to the area of a circle with a diameter of one mil (one thousandth of an inch). It corresponds to 5.067×10−4 mm². It is a unit intended for referring to the area of a wire with a circular cross section. As the area in circular mils can be calculated without reference to π, the unit makes conversion between cross section and diameter of a wire considerably easier.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
circular mil | circ mil | ≡ π⁄4 mil2 | ≈ 5.067075×10−10 m2 | Imperial/US |
circular mils | square inches | circular mils | square inches |
---|---|---|---|
1 | = 7.8539819579639E-7 | 6 | = 4.7123891747784E-6 |
2 | = 1.5707963915928E-6 | 7 | = 5.4977873705747E-6 |
3 | = 2.3561945873892E-6 | 8 | = 6.2831855663711E-6 |
4 | = 3.1415927831856E-6 | 9 | = 7.0685837621675E-6 |
5 | = 3.926990978982E-6 | 10 | = 7.8539819579639E-6 |
A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
square inch | sq in | ≡ 1 in × 1 in | ≡ 6.4516×10−4 m2 | Imperial/US |
square inches | circular mils | square inches | circular mils |
---|---|---|---|
1 | = 1273239.492212 | 6 | = 7639436.9532719 |
2 | = 2546478.984424 | 7 | = 8912676.4454838 |
3 | = 3819718.4766359 | 8 | = 10185915.937696 |
4 | = 5092957.9688479 | 9 | = 11459155.429908 |
5 | = 6366197.4610599 | 10 | = 12732394.92212 |
circular mils | square inches |
---|---|
1 | = 7.8539819579639 × 10-7 |
1,273,239.492212 | = 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |