29:
1042:
450:
1563:
1024:
1017:
1532:
432:
1010:
101:
73:
120:
58:
986:
80:
141:
54:
1033:
87:
425:
50:
991:
69:
1527:
981:
331:
historic engineering drawings ″ (number with a square & a double apostrophe, both as an exponent)
39:
1558:
418:
43:
17:
1553:
1420:
857:
1056:
469:
344:
1496:
1446:
873:
297:
8:
1512:
1486:
1471:
974:
928:
898:
94:
1522:
1517:
969:
959:
519:
474:
387:
356:
305:
355:
1 square inch (assuming an international inch) is equal to: (the overbars indicate
1415:
1315:
913:
1002:
1491:
1451:
1320:
943:
918:
878:
811:
770:
720:
441:
340:
194:
1547:
1394:
1356:
1290:
964:
923:
888:
826:
740:
544:
539:
336:
1466:
1441:
1351:
1336:
1270:
1106:
1091:
903:
821:
806:
801:
786:
745:
710:
684:
575:
529:
514:
400:
198:
1481:
1461:
1341:
1275:
1249:
1208:
1144:
1134:
1129:
1076:
1071:
1066:
938:
893:
816:
791:
725:
715:
664:
590:
580:
570:
565:
494:
489:
484:
378:
1476:
1456:
1425:
1399:
1244:
1213:
1203:
1182:
1177:
1172:
1167:
1086:
908:
883:
852:
669:
659:
633:
628:
618:
613:
509:
1371:
1295:
1254:
831:
28:
1366:
1198:
836:
750:
705:
654:
257:
1389:
1096:
933:
524:
410:
1285:
1228:
735:
689:
623:
504:
1346:
1223:
796:
679:
638:
1280:
1218:
1139:
1101:
1081:
1061:
730:
674:
585:
534:
499:
479:
464:
312:. The following symbols are used to denote square inches:
309:
301:
154:
1361:
369:
square feet (1 square foot is equal to 144 square inches)
350:
335:
The square inch is a common unit of measurement in the
1564:
Customary units of measurement in the United States
1032:
1545:
381:(1 square yard is equal to 1,296 square inches)
1018:
426:
57:. Unsourced material may be challenged and
1025:
1011:
433:
419:
347:(psi) is derived from this unit of area.
121:Learn how and when to remove this message
146:Imperial, United States customary units
1546:
1006:
414:
1043:Comparison with imperial unit system
351:Equivalence with other units of area
328:inches, inch, in (also denoted by ")
55:adding citations to reliable sources
22:
451:Comparison with US customary system
13:
440:
14:
1575:
1533:Foot–pound–second system of units
390:(1 square centimetre is equal to
27:
987:Foot–pound–second system (FPS)
1:
1034:United States customary units
343:. A common unit of pressure,
403:(1 square metre is equal to
7:
992:Twenty-foot equivalent unit
10:
1580:
1426:Kilopounds per square inch
15:
1528:English Engineering Units
1505:
1434:
1408:
1382:
1329:
1308:
1263:
1237:
1191:
1160:
1153:
1117:
1049:
1040:
982:English Engineering units
952:
866:
845:
779:
763:
698:
647:
606:
599:
553:
457:
448:
322:inches/-2, inch/-2, in/-2
319:sq inches, sq inch, sq in
304:, equal to the area of a
253:
190:
186:
168:
160:
150:
140:
135:
1435:Other units and measures
867:Other units and measures
18:Square (disambiguation)
1421:Pounds per square inch
858:Pounds per square inch
325:inches^2, inch^2, in^2
1057:Thousandth of an inch
470:Thousandth of an inch
345:pound per square inch
1497:Ton of refrigeration
1447:British thermal unit
874:British thermal unit
51:improve this article
16:For other uses, see
1513:American wire gauge
1487:Pound-foot (torque)
1472:Foot-pound (energy)
181:... is equal to ...
1523:Body jewelry sizes
1518:Avoirdupois system
960:Avoirdupois system
388:square centimetres
357:repeating decimals
308:with sides of one
263:
255:
204:
192:
1541:
1540:
1304:
1303:
1000:
999:
759:
758:
286:
285:
169:Conversions
131:
130:
123:
105:
1571:
1158:
1157:
1027:
1020:
1013:
1004:
1003:
604:
603:
435:
428:
421:
412:
411:
406:
405:1,550.003 100...
399:
393:
392:0.155 000 310...
386:
377:
376:
368:
367:
279:
277:
270:
264:
256:
246:
243:
241:
240:
237:
234:
226:
223:
221:
220:
217:
214:
205:
193:
133:
132:
126:
119:
115:
112:
106:
104:
63:
31:
23:
1579:
1578:
1574:
1573:
1572:
1570:
1569:
1568:
1544:
1543:
1542:
1537:
1506:Related systems
1501:
1430:
1416:Inch of mercury
1404:
1378:
1325:
1316:Feet per second
1300:
1259:
1233:
1187:
1149:
1113:
1045:
1036:
1031:
1001:
996:
953:Related systems
948:
914:Horsepower-hour
862:
841:
775:
755:
694:
643:
595:
549:
453:
444:
439:
404:
397:
391:
384:
374:
372:
365:
363:
353:
282:
275:
273:
268:
262:
254:
249:
244:
238:
235:
232:
231:
229:
224:
218:
215:
212:
211:
209:
203:
191:
164:in, sq in
127:
116:
110:
107:
64:
62:
48:
32:
21:
12:
11:
5:
1577:
1567:
1566:
1561:
1559:Imperial units
1556:
1539:
1538:
1536:
1535:
1530:
1525:
1520:
1515:
1509:
1507:
1503:
1502:
1500:
1499:
1494:
1492:Spinning count
1489:
1484:
1479:
1474:
1469:
1464:
1459:
1454:
1452:Degree (angle)
1449:
1444:
1438:
1436:
1432:
1431:
1429:
1428:
1423:
1418:
1412:
1410:
1406:
1405:
1403:
1402:
1397:
1392:
1386:
1384:
1380:
1379:
1377:
1376:
1375:
1374:
1369:
1359:
1354:
1349:
1344:
1339:
1333:
1331:
1327:
1326:
1324:
1323:
1321:Miles per hour
1318:
1312:
1310:
1306:
1305:
1302:
1301:
1299:
1298:
1293:
1288:
1283:
1278:
1273:
1267:
1265:
1261:
1260:
1258:
1257:
1252:
1247:
1241:
1239:
1235:
1234:
1232:
1231:
1226:
1221:
1216:
1211:
1206:
1201:
1195:
1193:
1189:
1188:
1186:
1185:
1180:
1175:
1170:
1164:
1162:
1155:
1151:
1150:
1148:
1147:
1142:
1137:
1132:
1127:
1121:
1119:
1115:
1114:
1112:
1111:
1110:
1109:
1099:
1094:
1089:
1084:
1079:
1074:
1069:
1064:
1059:
1053:
1051:
1047:
1046:
1041:
1038:
1037:
1030:
1029:
1022:
1015:
1007:
998:
997:
995:
994:
989:
984:
979:
978:
977:
972:
962:
956:
954:
950:
949:
947:
946:
944:Spinning count
941:
936:
931:
926:
921:
916:
911:
906:
901:
896:
891:
886:
881:
876:
870:
868:
864:
863:
861:
860:
855:
849:
847:
843:
842:
840:
839:
834:
829:
824:
819:
814:
809:
804:
799:
794:
789:
783:
781:
777:
776:
774:
773:
771:Miles per hour
767:
765:
761:
760:
757:
756:
754:
753:
748:
743:
738:
733:
728:
723:
718:
713:
708:
702:
700:
696:
695:
693:
692:
687:
682:
677:
672:
667:
662:
657:
651:
649:
645:
644:
642:
641:
636:
631:
626:
621:
616:
610:
608:
601:
597:
596:
594:
593:
588:
583:
578:
573:
568:
563:
557:
555:
551:
550:
548:
547:
542:
537:
532:
527:
522:
520:Gunter's chain
517:
512:
507:
502:
497:
492:
487:
482:
477:
472:
467:
461:
459:
455:
454:
449:
446:
445:
442:Imperial units
438:
437:
430:
423:
415:
409:
408:
407:square inches)
395:
394:square inches)
382:
370:
352:
349:
341:United Kingdom
333:
332:
329:
326:
323:
320:
317:
284:
283:
281:
280:
271:
269:6.4516 cm
265:
260:
251:
250:
248:
247:
227:
206:
201:
188:
187:
184:
183:
178:
171:
170:
166:
165:
162:
158:
157:
152:
148:
147:
144:
138:
137:
129:
128:
35:
33:
26:
9:
6:
4:
3:
2:
1576:
1565:
1562:
1560:
1557:
1555:
1554:Units of area
1552:
1551:
1549:
1534:
1531:
1529:
1526:
1524:
1521:
1519:
1516:
1514:
1511:
1510:
1508:
1504:
1498:
1495:
1493:
1490:
1488:
1485:
1483:
1480:
1478:
1475:
1473:
1470:
1468:
1465:
1463:
1460:
1458:
1455:
1453:
1450:
1448:
1445:
1443:
1440:
1439:
1437:
1433:
1427:
1424:
1422:
1419:
1417:
1414:
1413:
1411:
1407:
1401:
1398:
1396:
1393:
1391:
1388:
1387:
1385:
1381:
1373:
1370:
1368:
1365:
1364:
1363:
1360:
1358:
1357:Hundredweight
1355:
1353:
1350:
1348:
1345:
1343:
1340:
1338:
1335:
1334:
1332:
1328:
1322:
1319:
1317:
1314:
1313:
1311:
1307:
1297:
1294:
1292:
1289:
1287:
1284:
1282:
1279:
1277:
1274:
1272:
1269:
1268:
1266:
1262:
1256:
1253:
1251:
1248:
1246:
1243:
1242:
1240:
1236:
1230:
1227:
1225:
1222:
1220:
1217:
1215:
1212:
1210:
1207:
1205:
1202:
1200:
1197:
1196:
1194:
1190:
1184:
1181:
1179:
1176:
1174:
1171:
1169:
1166:
1165:
1163:
1159:
1156:
1152:
1146:
1143:
1141:
1138:
1136:
1133:
1131:
1128:
1126:
1123:
1122:
1120:
1116:
1108:
1105:
1104:
1103:
1100:
1098:
1095:
1093:
1090:
1088:
1085:
1083:
1080:
1078:
1075:
1073:
1070:
1068:
1065:
1063:
1060:
1058:
1055:
1054:
1052:
1048:
1044:
1039:
1035:
1028:
1023:
1021:
1016:
1014:
1009:
1008:
1005:
993:
990:
988:
985:
983:
980:
976:
973:
971:
968:
967:
966:
965:English units
963:
961:
958:
957:
955:
951:
945:
942:
940:
937:
935:
932:
930:
927:
925:
924:Pound (force)
922:
920:
917:
915:
912:
910:
907:
905:
902:
900:
897:
895:
892:
890:
887:
885:
882:
880:
877:
875:
872:
871:
869:
865:
859:
856:
854:
851:
850:
848:
844:
838:
835:
833:
830:
828:
827:Hundredweight
825:
823:
820:
818:
815:
813:
810:
808:
805:
803:
800:
798:
795:
793:
790:
788:
785:
784:
782:
778:
772:
769:
768:
766:
762:
752:
749:
747:
744:
742:
739:
737:
734:
732:
729:
727:
724:
722:
721:Fluid Scruple
719:
717:
714:
712:
709:
707:
704:
703:
701:
697:
691:
688:
686:
683:
681:
678:
676:
673:
671:
668:
666:
663:
661:
658:
656:
653:
652:
650:
646:
640:
637:
635:
632:
630:
627:
625:
622:
620:
617:
615:
612:
611:
609:
605:
602:
598:
592:
589:
587:
584:
582:
579:
577:
574:
572:
569:
567:
564:
562:
559:
558:
556:
552:
546:
543:
541:
540:Nautical mile
538:
536:
533:
531:
528:
526:
523:
521:
518:
516:
513:
511:
508:
506:
503:
501:
498:
496:
493:
491:
488:
486:
483:
481:
478:
476:
473:
471:
468:
466:
463:
462:
460:
456:
452:
447:
443:
436:
431:
429:
424:
422:
417:
416:
413:
402:
401:square metres
396:
389:
383:
380:
371:
362:
361:
360:
358:
348:
346:
342:
338:
337:United States
330:
327:
324:
321:
318:
315:
314:
313:
311:
307:
303:
299:
295:
294:square inches
291:
272:
267:
266:
261:
259:
252:
228:
208:
207:
202:
200:
196:
189:
185:
182:
179:
177:
173:
172:
167:
163:
159:
156:
153:
149:
145:
143:
139:
134:
125:
122:
114:
111:December 2009
103:
100:
96:
93:
89:
86:
82:
79:
75:
72: –
71:
70:"Square inch"
67:
66:Find sources:
60:
56:
52:
46:
45:
41:
36:This article
34:
30:
25:
24:
19:
1467:Foot-lambert
1442:Bolt (cloth)
1124:
904:Foot-poundal
822:Long hundred
802:Pound (mass)
726:Fluid Drachm
685:Trade gallon
560:
398:0.000 645 16
379:square yards
354:
334:
293:
289:
287:
180:
175:
151:Unit of
117:
108:
98:
91:
84:
77:
65:
49:Please help
37:
1462:Foot-candle
1395:Pound-force
1209:Fluid ounce
1145:Square mile
1135:Square yard
1130:Square foot
1125:Square inch
894:Foot-candle
665:Fluid ounce
591:Square mile
571:Square yard
566:Square foot
561:Square inch
375:71 604 9382
290:square inch
142:Unit system
136:square inch
1548:Categories
1477:Horsepower
1457:Fahrenheit
1245:Board foot
1204:Tablespoon
1183:Cubic mile
1178:Cubic yard
1173:Cubic foot
1168:Cubic inch
970:Winchester
929:Pound-foot
909:Horsepower
899:Foot-pound
884:Fahrenheit
660:Tablespoon
634:Cubic mile
629:Cubic yard
619:Cubic foot
614:Cubic inch
475:Barleycorn
174:1 in
81:newspapers
1296:Acre-foot
1255:Face cord
975:Exchequer
832:Ship load
316:square in
292:(plural:
278:10 m
38:does not
1409:Pressure
1199:Teaspoon
846:Pressure
751:Hogshead
706:Chaldron
655:Teaspoon
339:and the
258:SI units
195:Imperial
1390:Poundal
1192:Cooking
1161:Derived
1107:statute
1097:Furlong
934:Poundal
919:Kenning
889:Rankine
812:Quarter
648:Cooking
607:Derived
525:Furlong
373:0.000 7
364:0.006 9
296:) is a
242:
230:
222:
210:
95:scholar
59:removed
44:sources
1291:Barrel
1286:Bushel
1229:Gallon
1154:Volume
1050:Length
879:Degree
792:Drachm
741:Barrel
736:Bushel
690:Gallon
624:Hoppus
600:Volume
545:League
505:Fathom
458:Length
385:6.4516
306:square
274:6.4516
176:in ...
161:Symbol
97:
90:
83:
76:
68:
1383:Force
1372:Short
1352:Pound
1347:Ounce
1337:Grain
1309:Speed
1271:Minim
1264:Other
1224:Quart
1092:Chain
807:Stone
797:Ounce
787:Grain
764:Speed
746:Stuck
711:Minim
699:Other
680:Quart
639:Tmcft
576:Perch
530:Cable
515:Chain
245:sq yd
225:sq ft
102:JSTOR
88:books
1482:Perm
1367:Long
1342:Dram
1330:Mass
1281:Peck
1276:Gill
1250:Cord
1238:Wood
1219:Pint
1140:Acre
1118:Area
1102:Mile
1082:Yard
1077:Foot
1072:Link
1067:Hand
1062:Inch
939:Span
817:Slug
780:Mass
731:Peck
716:Gill
675:Pint
586:Acre
581:Rood
554:Area
535:Mile
500:Yard
495:Foot
490:Link
485:Hand
480:Inch
465:Twip
310:inch
302:area
298:unit
239:1296
155:area
74:news
42:any
40:cite
1400:Kip
1362:Ton
1214:Cup
1087:Rod
853:Ksi
837:Ton
670:Cup
510:Rod
300:of
219:144
53:by
1550::
359:)
288:A
199:US
1026:e
1019:t
1012:v
434:e
427:t
420:v
366:4
276:Ă—
236:/
233:1
216:/
213:1
197:/
124:)
118:(
113:)
109:(
99:·
92:·
85:·
78:·
61:.
47:.
20:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
