239:
286: in (38 mm Ć 89 mm), but the dimensions for the lumber when purchased wholesale could still be represented as full 2 Ć 4 lumber, although the "standard" can vary between vendors. This means that nominal lumber includes air space around the physical board when calculating board feet in some situations, while the true measurement of "board feet" should be limited to the actual dimensions of the board.
289:
For planed lumber, board feet refer to the nominal thickness and width of lumber, calculated in principle on its size before drying and planing. Here, the actual length is used.
1465:
760:
1981:
1447:
137:. It equals the volume of a board that is one foot (30.5 cm) in length, one foot (30.5 cm) in width, and one inch (2.54 cm) in thickness.
560:
805:
755:
296:
for a full discussion of the relationship of actual and nominal dimensions. Briefly, for softwoods, to convert nominal to actual, subtract
526:
510:
1440:
246:
The board foot is used to measure rough lumber (before drying and planing with no adjustments) or planed/surfaced lumber. An example of
1327:
1074:
799:
493:
477:
1955:
1352:
1347:
1064:
884:
1433:
1383:
1378:
1332:
983:
973:
874:
1388:
958:
896:
553:
365:
140:
Board foot can be abbreviated as FBM (for "foot, board measure"), BDFT, or BF. A thousand board feet can be abbreviated as
1322:
1109:
1362:
1337:
1190:
938:
1246:
406:
1216:
1180:
1089:
827:
765:
375:
1302:
1287:
1241:
1119:
1094:
1079:
1039:
963:
546:
1297:
1282:
1272:
1262:
1200:
1170:
1140:
1104:
1029:
948:
923:
918:
913:
906:
610:
1456:
1292:
1267:
1231:
1195:
1175:
1165:
1150:
1145:
1135:
1044:
968:
869:
600:
590:
396:
86:
1357:
1277:
1236:
1226:
1155:
1059:
998:
993:
953:
943:
933:
928:
832:
734:
729:
648:
643:
605:
692:
1185:
1160:
1099:
1049:
1034:
1024:
988:
879:
842:
811:
682:
1221:
1069:
1003:
901:
847:
837:
1950:
1114:
653:
255:
1976:
677:
628:
1843:
514:
386:
1479:
569:
1919:
1869:
481:
401:
118:
8:
1935:
1909:
1894:
1342:
862:
793:
1945:
1940:
857:
633:
370:
293:
226:
1986:
889:
196:
1838:
1738:
1054:
530:
497:
379:
1425:
316:
inch (13 mm) for dimensions over 2 inches and under 8 inches; and subtract
1914:
1874:
1743:
1404:
978:
595:
431:
355:
340:
326:
inch (19 mm) for larger measurements. The system is more complicated for
1991:
1970:
1817:
1779:
1713:
852:
724:
664:
130:
70:
1889:
1864:
1774:
1759:
1693:
1529:
1514:
1409:
697:
687:
672:
456:
247:
258:
2 by 4 inches (50 mm Ć 100 mm). The 2 Ć 4 is actually only
1904:
1884:
1764:
1698:
1672:
1631:
1567:
1557:
1552:
1547:
1499:
1494:
1489:
1008:
739:
638:
538:
360:
345:
208:
1899:
1879:
1848:
1822:
1636:
1626:
1605:
1600:
1595:
1590:
1509:
144:, MBFT, or MBF. Similarly, a million board feet can be abbreviated as
1794:
1718:
1677:
350:
238:
1789:
1621:
327:
251:
1812:
1519:
1414:
1708:
1651:
1084:
134:
126:
122:
30:
1769:
1646:
391:
212:
202:
1703:
1641:
1562:
1524:
1504:
1484:
1784:
306:
inch (6 mm) for dimensions under 2 inches; subtract
151:
Until the 1970s, in
Australia and New Zealand, the terms
254:"two by four" lumber sold by large lumber retailers,
1982:
Customary units of measurement in the United States
1455:
1968:
457:"How Many? A Dictionary of Units of Measurement"
1441:
554:
1448:
1434:
568:
561:
547:
237:
478:"Cutting Timber on Springbrook in 1935"
1969:
1429:
542:
1466:Comparison with imperial unit system
429:
366:List of unusual units of measurement
508:
454:
13:
591:International System of Units (SI)
475:
14:
2003:
1956:Footāpoundāsecond system of units
511:"The Bendigo Monier Arch Bridges"
159:were used with the same meaning.
376:Measurement Information Division
502:
469:
448:
423:
162:
1:
1457:United States customary units
601:US customary units (USCS/USC)
416:
397:United States customary units
171:1 ft Ć 1 ft Ć 1 in
7:
430:peak, Esteem (2023-01-22).
333:
10:
2008:
1849:Kilopounds per square inch
242:A common two by four board
1951:English Engineering Units
1928:
1857:
1831:
1805:
1752:
1731:
1686:
1660:
1614:
1583:
1576:
1540:
1472:
1463:
1397:
1371:
1315:
1255:
1209:
1128:
1017:
820:
786:
779:
748:
717:
710:
663:
654:English Engineering Units
621:
583:
576:
82:
66:
62:
44:
36:
26:
21:
1858:Other units and measures
408:Weights and Measures Act
233:
693:Quantum chromodynamical
432:"What is a Board Foot?"
167:One board foot equals:
1844:Pounds per square inch
806:centimetreāgramāsecond
570:Systems of measurement
387:Standard (timber unit)
243:
1480:Thousandth of an inch
1328:Biblical and Talmudic
794:metreākilogramāsecond
484:on September 17, 2007
241:
1920:Ton of refrigeration
1870:British thermal unit
402:Units of measurement
174:12 in Ć 12 in Ć 1 in
1936:American wire gauge
1910:Pound-foot (torque)
1895:Foot-pound (energy)
177:12 ft Ć 1 in Ć 1 in
119:unit of measurement
78:ā0.002359737 m
57:... is equal to ...
16:Unit of measurement
1946:Body jewelry sizes
1941:Avoirdupois system
800:metreātonneāsecond
596:UK imperial system
529:2007-07-02 at the
496:2007-09-17 at the
371:Measurement Canada
294:dimensional lumber
244:
227:Petrograd Standard
148:, MMBFT, or MMBF.
92:
84:
76:
68:
1964:
1963:
1727:
1726:
1423:
1422:
1311:
1310:
775:
774:
766:Footāpoundāsecond
706:
705:
683:HeavisideāLorentz
197:cubic centimeters
107:
106:
45:Conversions
1999:
1581:
1580:
1450:
1443:
1436:
1427:
1426:
890:Mesures usuelles
784:
783:
715:
714:
581:
580:
563:
556:
549:
540:
539:
533:
525:
523:
522:
513:. Archived from
506:
500:
492:
490:
489:
480:. Archived from
473:
467:
466:
464:
463:
452:
446:
445:
443:
442:
427:
325:
324:
320:
315:
314:
310:
305:
304:
300:
285:
284:
280:
277:
272: in Ć
271:
270:
266:
263:
225:
224:
220:
191:
190:
186:
157:superficial foot
102:
101:
97:
93:
85:
77:
69:
19:
18:
2007:
2006:
2002:
2001:
2000:
1998:
1997:
1996:
1977:Units of volume
1967:
1966:
1965:
1960:
1929:Related systems
1924:
1853:
1839:Inch of mercury
1827:
1801:
1748:
1739:Feet per second
1723:
1682:
1656:
1610:
1572:
1536:
1468:
1459:
1454:
1424:
1419:
1393:
1367:
1307:
1251:
1205:
1124:
1013:
816:
771:
744:
702:
659:
617:
572:
567:
537:
536:
531:Wayback Machine
520:
518:
509:Holgate, Alan.
507:
503:
498:Wayback Machine
487:
485:
474:
470:
461:
459:
455:Rowlett, Russ.
453:
449:
440:
438:
428:
424:
419:
414:
380:Industry Canada
336:
322:
318:
317:
312:
308:
307:
302:
298:
297:
282:
278:
275:
273:
268:
264:
261:
259:
236:
222:
218:
217:
188:
184:
183:
165:
99:
95:
94:
91:
83:
75:
67:
17:
12:
11:
5:
2005:
1995:
1994:
1989:
1984:
1979:
1962:
1961:
1959:
1958:
1953:
1948:
1943:
1938:
1932:
1930:
1926:
1925:
1923:
1922:
1917:
1915:Spinning count
1912:
1907:
1902:
1897:
1892:
1887:
1882:
1877:
1875:Degree (angle)
1872:
1867:
1861:
1859:
1855:
1854:
1852:
1851:
1846:
1841:
1835:
1833:
1829:
1828:
1826:
1825:
1820:
1815:
1809:
1807:
1803:
1802:
1800:
1799:
1798:
1797:
1792:
1782:
1777:
1772:
1767:
1762:
1756:
1754:
1750:
1749:
1747:
1746:
1744:Miles per hour
1741:
1735:
1733:
1729:
1728:
1725:
1724:
1722:
1721:
1716:
1711:
1706:
1701:
1696:
1690:
1688:
1684:
1683:
1681:
1680:
1675:
1670:
1664:
1662:
1658:
1657:
1655:
1654:
1649:
1644:
1639:
1634:
1629:
1624:
1618:
1616:
1612:
1611:
1609:
1608:
1603:
1598:
1593:
1587:
1585:
1578:
1574:
1573:
1571:
1570:
1565:
1560:
1555:
1550:
1544:
1542:
1538:
1537:
1535:
1534:
1533:
1532:
1522:
1517:
1512:
1507:
1502:
1497:
1492:
1487:
1482:
1476:
1474:
1470:
1469:
1464:
1461:
1460:
1453:
1452:
1445:
1438:
1430:
1421:
1420:
1418:
1417:
1412:
1407:
1405:Absolute scale
1401:
1399:
1395:
1394:
1392:
1391:
1386:
1381:
1375:
1373:
1369:
1368:
1366:
1365:
1360:
1355:
1350:
1345:
1340:
1335:
1330:
1325:
1319:
1317:
1313:
1312:
1309:
1308:
1306:
1305:
1300:
1295:
1290:
1285:
1280:
1275:
1270:
1265:
1259:
1257:
1253:
1252:
1250:
1249:
1244:
1239:
1234:
1229:
1224:
1219:
1213:
1211:
1207:
1206:
1204:
1203:
1198:
1193:
1188:
1183:
1178:
1173:
1168:
1163:
1158:
1153:
1148:
1143:
1138:
1132:
1130:
1126:
1125:
1123:
1122:
1117:
1112:
1107:
1102:
1097:
1092:
1087:
1082:
1077:
1072:
1067:
1062:
1057:
1052:
1047:
1042:
1037:
1032:
1027:
1021:
1019:
1015:
1014:
1012:
1011:
1006:
1001:
996:
991:
986:
981:
976:
971:
966:
961:
956:
951:
946:
941:
936:
931:
926:
921:
916:
911:
910:
909:
899:
894:
893:
892:
887:
877:
872:
867:
866:
865:
860:
850:
845:
840:
835:
830:
824:
822:
818:
817:
815:
814:
809:
803:
797:
790:
788:
781:
777:
776:
773:
772:
770:
769:
763:
758:
752:
750:
746:
745:
743:
742:
737:
732:
727:
721:
719:
712:
708:
707:
704:
703:
701:
700:
695:
690:
685:
680:
675:
669:
667:
661:
660:
658:
657:
651:
646:
641:
636:
631:
625:
623:
619:
618:
616:
615:
614:
613:
603:
598:
593:
587:
585:
578:
574:
573:
566:
565:
558:
551:
543:
535:
534:
501:
468:
447:
421:
420:
418:
415:
413:
412:
404:
399:
394:
389:
384:
383:
382:
368:
363:
358:
356:Forest product
353:
348:
343:
341:Canadian units
337:
335:
332:
235:
232:
231:
230:
215:
205:
199:
193:
181:
178:
175:
172:
164:
161:
105:
104:
89:
80:
79:
73:
64:
63:
60:
59:
54:
47:
46:
42:
41:
38:
34:
33:
28:
24:
23:
15:
9:
6:
4:
3:
2:
2004:
1993:
1990:
1988:
1985:
1983:
1980:
1978:
1975:
1974:
1972:
1957:
1954:
1952:
1949:
1947:
1944:
1942:
1939:
1937:
1934:
1933:
1931:
1927:
1921:
1918:
1916:
1913:
1911:
1908:
1906:
1903:
1901:
1898:
1896:
1893:
1891:
1888:
1886:
1883:
1881:
1878:
1876:
1873:
1871:
1868:
1866:
1863:
1862:
1860:
1856:
1850:
1847:
1845:
1842:
1840:
1837:
1836:
1834:
1830:
1824:
1821:
1819:
1816:
1814:
1811:
1810:
1808:
1804:
1796:
1793:
1791:
1788:
1787:
1786:
1783:
1781:
1780:Hundredweight
1778:
1776:
1773:
1771:
1768:
1766:
1763:
1761:
1758:
1757:
1755:
1751:
1745:
1742:
1740:
1737:
1736:
1734:
1730:
1720:
1717:
1715:
1712:
1710:
1707:
1705:
1702:
1700:
1697:
1695:
1692:
1691:
1689:
1685:
1679:
1676:
1674:
1671:
1669:
1666:
1665:
1663:
1659:
1653:
1650:
1648:
1645:
1643:
1640:
1638:
1635:
1633:
1630:
1628:
1625:
1623:
1620:
1619:
1617:
1613:
1607:
1604:
1602:
1599:
1597:
1594:
1592:
1589:
1588:
1586:
1582:
1579:
1575:
1569:
1566:
1564:
1561:
1559:
1556:
1554:
1551:
1549:
1546:
1545:
1543:
1539:
1531:
1528:
1527:
1526:
1523:
1521:
1518:
1516:
1513:
1511:
1508:
1506:
1503:
1501:
1498:
1496:
1493:
1491:
1488:
1486:
1483:
1481:
1478:
1477:
1475:
1471:
1467:
1462:
1458:
1451:
1446:
1444:
1439:
1437:
1432:
1431:
1428:
1416:
1413:
1411:
1408:
1406:
1403:
1402:
1400:
1396:
1390:
1387:
1385:
1382:
1380:
1377:
1376:
1374:
1372:List articles
1370:
1364:
1361:
1359:
1356:
1354:
1351:
1349:
1346:
1344:
1341:
1339:
1336:
1334:
1331:
1329:
1326:
1324:
1321:
1320:
1318:
1314:
1304:
1301:
1299:
1296:
1294:
1291:
1289:
1286:
1284:
1281:
1279:
1276:
1274:
1271:
1269:
1266:
1264:
1261:
1260:
1258:
1256:South America
1254:
1248:
1245:
1243:
1240:
1238:
1235:
1233:
1230:
1228:
1225:
1223:
1220:
1218:
1215:
1214:
1212:
1210:North America
1208:
1202:
1199:
1197:
1194:
1192:
1191:South African
1189:
1187:
1184:
1182:
1179:
1177:
1174:
1172:
1169:
1167:
1164:
1162:
1159:
1157:
1154:
1152:
1149:
1147:
1144:
1142:
1139:
1137:
1134:
1133:
1131:
1127:
1121:
1118:
1116:
1113:
1111:
1108:
1106:
1103:
1101:
1098:
1096:
1093:
1091:
1088:
1086:
1083:
1081:
1078:
1076:
1073:
1071:
1068:
1066:
1063:
1061:
1058:
1056:
1053:
1051:
1048:
1046:
1043:
1041:
1038:
1036:
1033:
1031:
1028:
1026:
1023:
1022:
1020:
1016:
1010:
1007:
1005:
1002:
1000:
997:
995:
992:
990:
987:
985:
982:
980:
977:
975:
972:
970:
967:
965:
962:
960:
957:
955:
952:
950:
947:
945:
942:
940:
939:Luxembourgian
937:
935:
932:
930:
927:
925:
922:
920:
917:
915:
912:
908:
905:
904:
903:
900:
898:
895:
891:
888:
886:
883:
882:
881:
878:
876:
873:
871:
868:
864:
861:
859:
856:
855:
854:
851:
849:
846:
844:
841:
839:
836:
834:
831:
829:
826:
825:
823:
819:
813:
812:gravitational
810:
807:
804:
801:
798:
795:
792:
791:
789:
785:
782:
778:
767:
764:
762:
759:
757:
754:
753:
751:
747:
741:
738:
736:
733:
731:
728:
726:
723:
722:
720:
716:
713:
709:
699:
696:
694:
691:
689:
686:
684:
681:
679:
676:
674:
671:
670:
668:
666:
662:
655:
652:
650:
647:
645:
642:
640:
637:
635:
632:
630:
629:Apothecaries'
627:
626:
624:
620:
612:
609:
608:
607:
604:
602:
599:
597:
594:
592:
589:
588:
586:
582:
579:
575:
571:
564:
559:
557:
552:
550:
545:
544:
541:
532:
528:
517:on 2007-07-02
516:
512:
505:
499:
495:
483:
479:
476:Burger, Les.
472:
458:
451:
437:
433:
426:
422:
411:
409:
405:
403:
400:
398:
395:
393:
390:
388:
385:
381:
377:
374:
373:
372:
369:
367:
364:
362:
359:
357:
354:
352:
349:
347:
344:
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132:
131:United States
128:
124:
120:
116:
112:
90:
88:
81:
74:
72:
71:SI base units
65:
61:
58:
55:
53:
49:
48:
43:
39:
35:
32:
29:
25:
20:
1890:Foot-lambert
1865:Bolt (cloth)
1667:
1353:Mesopotamian
1247:Puerto Rican
644:Astronomical
519:. Retrieved
515:the original
504:
486:. Retrieved
482:the original
471:
460:. Retrieved
450:
439:. Retrieved
435:
425:
407:
291:
288:
245:
209:cubic meters
166:
156:
152:
150:
145:
141:
139:
114:
110:
108:
87:US Customary
56:
51:
27:Unit of
1885:Foot-candle
1818:Pound-force
1632:Fluid ounce
1568:Square mile
1558:Square yard
1553:Square foot
1548:Square inch
1217:Costa Rican
1181:Seychellois
1090:Singaporean
885:Traditional
740:Metrication
678:Geometrised
634:Avoirdupois
361:Hoppus foot
207:ā 0.002360
163:Description
50:1 FBM
1971:Categories
1900:Horsepower
1880:Fahrenheit
1668:Board foot
1627:Tablespoon
1606:Cubic mile
1601:Cubic yard
1596:Cubic foot
1591:Cubic inch
1303:Venezuelan
1288:Paraguayan
1242:Nicaraguan
1120:Vietnamese
1095:Sri Lankan
1080:Philippine
1040:Indonesian
964:Portuguese
858:Winchester
761:Comparison
711:Background
649:Electrical
521:2007-11-06
488:2007-11-06
462:2007-01-30
441:2024-08-24
436:Esteempeak
417:References
292:Note: see
250:lumber is
153:super foot
115:board-foot
111:board foot
22:board foot
1719:Acre-foot
1678:Face cord
1298:Uruguayan
1283:Colombian
1273:Brazilian
1263:Argentine
1201:Tanzanian
1171:Mauritian
1141:Ethiopian
1105:Taiwanese
1075:Pakistani
1055:Mongolian
1030:Cambodian
949:Norwegian
919:Icelandic
914:Hungarian
907:Byzantine
863:Exchequer
611:Hong Kong
351:Cubic ton
328:hardwoods
256:nominally
1832:Pressure
1622:Teaspoon
1384:Obsolete
1379:Humorous
1333:Egyptian
1293:Peruvian
1268:Bolivian
1232:Honduran
1196:Tunisian
1176:Moroccan
1166:Malagasy
1151:Eritrean
1146:Egyptian
1136:Algerian
1065:Nepalese
1045:Japanese
979:Scottish
969:Romanian
870:Estonian
780:Historic
756:Overview
725:Overview
622:Specific
527:Archived
494:Archived
410:(Canada)
334:See also
252:softwood
229:of board
201:ā 2.360
195:ā 2,360
192: ft
121:for the
1987:Logging
1813:Poundal
1615:Cooking
1584:Derived
1530:statute
1520:Furlong
1415:Modulor
1389:Unusual
1358:Persian
1316:Ancient
1278:Chilean
1237:Mexican
1227:Haitian
1156:Guinean
1060:Myanmar
999:Swedish
994:Spanish
984:Serbian
974:Russian
954:Ottoman
944:Maltese
934:Latvian
929:Italian
875:Finnish
853:English
833:Cypriot
828:Cornish
735:History
730:Outline
665:Natural
606:Chinese
584:General
577:Current
321:⁄
311:⁄
301:⁄
281:⁄
267:⁄
221:⁄
187:⁄
129:in the
98:⁄
1714:Barrel
1709:Bushel
1652:Gallon
1577:Volume
1473:Length
1410:N-body
1348:Indian
1323:Arabic
1186:Somali
1161:Libyan
1129:Africa
1100:Syrian
1050:Korean
1035:Indian
1025:Afghan
989:Slovak
959:Polish
897:German
880:French
843:Danish
821:Europe
787:Metric
718:Metric
698:Stoney
688:Planck
673:Atomic
248:planed
213:steres
203:liters
180:144 in
135:Canada
127:lumber
123:volume
52:in ...
37:Symbol
31:Volume
1806:Force
1795:Short
1775:Pound
1770:Ounce
1760:Grain
1732:Speed
1694:Minim
1687:Other
1647:Quart
1515:Chain
1398:Other
1363:Roman
1343:Hindu
1338:Greek
1222:Cuban
1110:Tatar
1070:Omani
1009:Welsh
1004:Swiss
924:Irish
902:Greek
848:Dutch
838:Czech
808:(CGS)
802:(MTS)
796:(MKS)
768:(FPS)
749:UK/US
392:Stere
234:Usage
146:MMFBM
117:is a
1992:Wood
1905:Perm
1790:Long
1765:Dram
1753:Mass
1704:Peck
1699:Gill
1673:Cord
1661:Wood
1642:Pint
1563:Acre
1541:Area
1525:Mile
1505:Yard
1500:Foot
1495:Link
1490:Hand
1485:Inch
1115:Thai
1085:Pegu
1018:Asia
656:(US)
639:Troy
346:Cord
223:1980
155:and
142:MFBM
133:and
109:The
1823:Kip
1785:Ton
1637:Cup
1510:Rod
378:of
211:or
125:of
113:or
40:FBM
1973::
434:.
330:.
189:12
103:ft
100:12
1449:e
1442:t
1435:v
562:e
555:t
548:v
524:.
491:.
465:.
444:.
323:4
319:3
313:2
309:1
303:4
299:1
283:2
279:1
276:+
274:3
269:2
265:1
262:+
260:1
219:1
185:1
96:1
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