Metric Conversion Table
Square millimeters to square inches and circular mils | ||||||||||
Square | Square | Circular | Square | Square | Circular | Square | Square | Circular | ||
mm | inch | mils. | mm | inch | mils. | mm | inch | mils. | ||
1000 | 1.55 | 1,974,000 | 95 | 0.1472 | 187,530 | 9.5 | 0.01472 | 18,753 | ||
975 | 1.511 | 1,924,700 | 90 | 0.1395 | 177,660 | 9 | 0.01395 | 17,766 | ||
950 | 1.472 | 1,875,300 | 85 | 0.1317 | 167,790 | 8.5 | 0.01317 | 16,779 | ||
925 | 1.434 | 1,826,000 | 80 | 0.124 | 157,920 | 8 | 0.0124 | 15,792 | ||
900 | 1.395 | 1,776,600 | 75 | 0.1163 | 148,050 | 7.5 | 0.01163 | 14,805 | ||
875 | 1.356 | 1,727,300 | 70 | 0.1085 | 138,180 | 7 | 0.01085 | 13,818 | ||
850 | 1.317 | 1,677,900 | 60 | 0.093 | 118,440 | 6 | 0.0093 | 11,844 | ||
825 | 1.24 | 1,579,200 | 55 | 0.0853 | 108,570 | 5.5 | 0.00853 | 10,857 | ||
775 | 1.201 | 1,529,900 | 50 | 0.0775 | 98,700 | 5 | 0.00775 | 9,870 | ||
750 | 1.163 | 1,480,500 | 45 | 0.0698 | 88,830 | 4.75 | 0.00736 | 9,377 | ||
725 | 1.124 | 1,431,200 | 40 | 0.062 | 78,960 | 4.5 | 0.00698 | 8,883 | ||
700 | 1.085 | 1,381,800 | 35 | 0.0542 | 69,090 | 4.25 | 0.00659 | 8,390 | ||
675 | 1.046 | 1,332,500 | 30 | 0.0465 | 59,220 | 4 | 0.0062 | 7,896 | ||
650 | 1.008 | 1,283,100 | 25 | 0.0388 | 49,350 | 3.75 | 0.00581 | 7,403 | ||
625 | 0.969 | 1,233,800 | 19.5 | 0.0302 | 38,490 | 3.5 | 0.00542 | 6,909 | ||
600 | 0.93 | 1,184,400 | 19 | 0.0294 | 37,510 | 3.25 | 0.00504 | 6,416 | ||
575 | 0.891 | 1,135,100 | 18.5 | 0.0287 | 35,530 | 3 | 0.00465 | 5,922 | ||
550 | 0.891 | 1,085,700 | 18 | 0.0279 | 35,530 | 2.75 | 0.00426 | 4,935 | ||
525 | 0.814 | 1,036,400 | 17.5 | 0.0271 | 34,550 | 2.5 | 0.00388 | 4,935 | ||
500 | 0.775 | 987,000 | 17 | 0.0264 | 33,560 | 2.25 | 0.00349 | 4,442 | ||
475 | 0.736 | 937,700 | 16.5 | 0.0256 | 32,560 | 2 | 0.0031 | 3,948 | ||
450 | 0.698 | 888,300 | 16 | 0.0248 | 31,580 | 1.75 | 0.00271 | 3,455 | ||
425 | 0.659 | 839,000 | 15.5 | 0.024 | 30,600 | 1.5 | 0.00233 | 2,961 | ||
400 | 0.62 | 789,600 | 15 | 0.0233 | 29,610 | 1.25 | 0.00194 | 2,468 | ||
375 | 0.581 | 740,300 | 14.5 | 0.0225 | 28,620 | 1 | 0.00155 | 1,974 | ||
350 | 0.542 | 690,900 | 14 | 0.0217 | 27,640 | 0.9 | 0.0014 | 1,777 | ||
325 | 0.504 | 641,600 | 13.5 | 0.0209 | 26,650 | 0.8 | 0.00124 | 1,579 | ||
300 | 0.465 | 592,200 | 13 | 0.0201 | 26,650 | 0.75 | 0.00116 | 1,481 | ||
275 | 0.426 | 542,900 | 12.5 | 0.0194 | 24,680 | 0.7 | 0.00109 | 1,481 | ||
250 | 0.388 | 493,500 | 12 | 0.0186 | 23,690 | 0.6 | 0.00093 | 1,184 | ||
225 | 0.349 | 444,200 | 11.5 | 0.0178 | 22,700 | 0.5 | 0.000775 | 987 | ||
200 | 0.31 | 394,800 | 11 | 0.0171 | 21,700 | |||||
175 | 0.291 | 345,500 | 10.5 | 0.0163 | 20,730 | |||||
150 | 0.233 | 296,100 | 10 | 0.0155 | 19,740 | |||||
125 | 0.1938 | 246,800 | ||||||||
100 | 0.155 | 197,400 |