669:
317:
664:{\displaystyle {\begin{aligned}1\,{\text{lbf}}&=1\,{\text{lb}}\times g_{\text{n}}\\&=1\,{\text{lb}}\times 9.80665\,{\tfrac {\text{m}}{{\text{s}}^{2}}}/0.3048\,{\tfrac {\text{m}}{\text{ft}}}\\&\approx 1\,{\text{lb}}\times 32.174049\,\mathrm {\tfrac {ft}{s^{2}}} \\&\approx 32.174049\,\mathrm {\tfrac {ft{\cdot }lb}{s^{2}}} \\1\,{\text{lbf}}&=1\,{\text{lb}}\times 0.45359237\,{\tfrac {\text{kg}}{\text{lb}}}\times g_{\text{n}}\\&=0.45359237\,{\text{kg}}\times 9.80665\,{\tfrac {\text{m}}{{\text{s}}^{2}}}\\&=4.4482216152605\,{\text{N}}\end{aligned}}}
806:
1677:
of the mass unit (pound-mass) on Earth's surface is approximately equal to the force unit (pound-force). This is convenient because one pound mass exerts one pound force due to gravity. Note, however, unlike the other systems the force unit is not equal to the mass unit multiplied by the acceleration
686:
1301:
In some contexts, the term "pound" is used almost exclusively to refer to the unit of force and not the unit of mass. In those applications, the preferred unit of mass is the slug, i.e. lbf⋅s/ft. In other contexts, the unit "pound" refers to a
1731:
is an alternative name for pound-force in specific contexts. It is frequently seen in US sources on jet engines and rocketry, some of which continue to use the FPS notation. For example, the thrust produced by each of the
1946:
Acceleration due to gravity varies over the surface of the Earth, generally increasing from about 32.1 ft/s (9.78 m/s) at the equator to about 32.3 ft/s (9.83 m/s) at the poles.
801:{\displaystyle {\begin{aligned}1\,{\text{lbf}}&=1\,{\text{slug}}\times 1\,{\tfrac {\text{ft}}{{\text{s}}^{2}}}\\&=1\,{\tfrac {{\text{slug}}\cdot {\text{ft}}}{{\text{s}}^{2}}}\end{aligned}}}
691:
322:
2809:
2217:
1862:
IEEE Standard Letter
Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units), IEEE Std 260.1™-2004 (Revision of IEEE Std 260.1-1993)
3325:
2791:
1709:
systems of units: by using the slug as the unit of mass, the "gravitational" FPS system (left column) avoids the need for such a constant. The
1462:
255:
The 20th century, however, brought the need for a more precise definition, requiring a standardized value for acceleration due to gravity.
2024:
IEEE Std 260.1™-2004, IEEE Standard Letter
Symbols for Units of Measurement (SI Units, Customary Inch-Pound Units, and Certain Other Units)
2784:
2007:
1467:
1926:
3299:
2199:
838:
2777:
1983:
The value adopted in the
International Service of Weights and Measures for the standard acceleration due to Earth's gravity is
2109:
1897:
1332:
677:. A slug has a mass of 32.174049 lb. A pound-force is the amount of force required to accelerate a slug at a rate of
1883:
1737:
2753:
2145:
1296:
192:
1973:
52:
2800:
1820:
1472:
2192:
1833:
1437:
831:
268:
248:. Since the 18th century, the unit has been used in low-precision measurements, for which small changes in
61:
2758:
1442:
17:
1774:
1769:
1679:
1647:
1354:
3294:
2748:
1957:
BS 350 : Part 1: 1974 Conversion factors and tables, Part 1. Basis of tables. Conversion factors
1447:
1284:) as used in the official definition of the kilogram-force is used here for all gravitational units.
188:
57:
2061:
Klinkenberg, Adrian (1969). "The
American Engineering System of Units and Its Dimensional Constant g
1325:
3330:
3320:
2185:
1457:
824:
139:
3187:
2624:
1795:
286:
38:
2823:
2236:
2174:. New York: D. J. Leggett Book Company. Chapter I "Survey of Dimensions and Units", pp. 1-24.
1642:
1632:
241:
184:
3263:
3213:
2640:
1918:
1637:
176:
8:
3279:
3253:
3238:
2741:
2695:
2665:
2122:
Thrust: combined thrust 29.36 MN SL (maximum thrust at launch reducing by 1/3 after 50 s)
1754:
1318:
3289:
3284:
2736:
2726:
1779:
264:
2286:
2241:
1889:
1879:
252:(which varies from equator to pole by up to half a percent) can safely be neglected.
2074:
2043:
1697:
1268:
272:
249:
215:
3182:
3082:
2680:
2101:
1977:
1873:
1342:
2769:
3258:
3218:
3087:
2710:
2685:
2645:
2578:
2537:
2487:
2208:
1992:
858:
1995:, a unit of force whose use has been deprecated since the introduction of SI.
3314:
3123:
3057:
2731:
2655:
2593:
2507:
2311:
2306:
1785:
1741:
1733:
1705:, usually taken to be 32.174049 (lb⋅ft)/(lbf⋅s). "Absolute" systems are
1665:
1615:
1588:
1452:
1306:. The international standard symbol for the pound as a unit of mass is lb.
848:
110:
31:
2091:
The acceleration unit is the distance unit divided by the time unit squared.
3233:
3208:
3118:
3103:
3037:
2873:
2858:
2670:
2588:
2573:
2568:
2553:
2512:
2477:
2451:
2342:
2296:
2281:
1543:
1479:
1348:
1303:
1170:
200:
3248:
3228:
3108:
3042:
3016:
2975:
2911:
2901:
2896:
2891:
2843:
2838:
2833:
2705:
2660:
2583:
2558:
2492:
2482:
2431:
2357:
2347:
2337:
2332:
2327:
2261:
2256:
2251:
2034:
Comings, E. W. (1940). "English
Engineering Units and Their Dimensions".
1527:
1258:
674:
278:
The standard values of acceleration of the standard gravitational field (
2135:
2078:
2047:
3243:
3223:
3192:
3166:
3011:
2980:
2970:
2949:
2944:
2939:
2934:
2853:
2675:
2650:
2619:
2436:
2426:
2400:
2395:
2385:
2380:
2276:
1970:
1764:
1532:
1504:
220:
210:
1713:
is an "absolute" metric system with kilogram and meter as base units.
3138:
3062:
3021:
2598:
2140:
1759:
120:
1610:
258:
3133:
2965:
2603:
2517:
2472:
2421:
1799:
1622:
1596:
1589:
1558:
1345:
101:
3156:
2863:
2700:
2291:
2177:
1790:
1600:
871:
236:
The pound-force is equal to the gravitational force exerted on a
148:
1893:
3052:
2995:
2502:
2456:
2390:
2271:
1722:
1674:
1574:
225:
1991:
This value was the conventional reference for calculating the
3113:
2990:
2563:
2446:
2405:
1660:
1655:
1565:
1553:
1539:
1531:
245:
180:
3047:
2985:
2906:
2868:
2848:
2828:
2497:
2441:
2352:
2301:
2266:
2246:
2231:
2012:
2008:
1605:
1548:
1517:
1290:
853:
237:
205:
129:
3128:
1503:
275:, approximately 32.174049 ft/s (9.80665 m/s).
1710:
1310:
Three approaches to units of mass and force or weight
30:"lbf" redirects here. For the airport in Nebraska, see
1782:
for the difference between the two physical properties
762:
727:
618:
567:
496:
458:
420:
390:
204:(lb), often simply called "pound", which is a unit of
1987:, value already stated in the laws of some countries.
689:
320:
3326:
Customary units of measurement in the United States
1744:), together 6,600,000 pounds-force (29.4 MN).
1959:. British Standards Institution. 1974. p. 43.
1865:
1673:In the "engineering" systems (middle column), the
800:
663:
2799:
1641:
1631:
673:This definition can be rephrased in terms of the
259:Product of avoirdupois pound and standard gravity
3312:
2136:"From Russia, With 1 Million Pounds of Thrust"
2133:
27:Earth's gravitational pull on a one-pound mass
2785:
2193:
1871:
1651:
1326:
832:
1872:Fletcher, Leroy S.; Shoup, Terry E. (1978),
810:
2060:
2015:Special Publication 811, Appendix B note 24
2792:
2778:
2200:
2186:
1834:international avoirdupois pound is defined
1819:Despite its name, this system is based on
1636:
1333:
1319:
839:
825:
1646:
760:
725:
713:
697:
651:
616:
604:
565:
553:
537:
494:
456:
444:
418:
388:
376:
344:
328:
1291:Foot–pound–second (FPS) systems of units
198:Pound-force should not be confused with
2033:
1806:
1593:
289:(lb) result in a pound-force equal to
14:
3313:
2148:from the original on 25 September 2019
2067:Industrial & Engineering Chemistry
2036:Industrial & Engineering Chemistry
1740:was 3,300,000 pounds-force (14.7
1536:
263:The pound-force is the product of one
2773:
2181:
2810:Comparison with imperial unit system
1949:
273:standard acceleration due to gravity
208:; nor should these be confused with
2218:Comparison with US customary system
1980:declared (second resolution) that:
1583:
1243:
1103:
1081:
994:
926:
24:
2207:
2164:
2134:Richard Martin (12 January 2001).
1716:
1542:
518:
513:
510:
502:
499:
469:
464:
461:
25:
3342:
3300:Foot–pound–second system of units
2112:from the original on 6 April 2018
2102:"Space Launchers - Space Shuttle"
2127:
2094:
2085:
2054:
2027:
2018:
1929:from the original on 2010-08-18
1900:from the original on 2019-12-06
287:international avoirdupois pound
2754:Foot–pound–second system (FPS)
1999:
1963:
1940:
1911:
1856:
1826:
1813:
1557:
231:
13:
1:
2801:United States customary units
1821:United States customary units
1599:
1552:
1664:
1614:
1609:
271:0.45359237 kg) and the
62:British Gravitational System
7:
2759:Twenty-foot equivalent unit
1875:Introduction to Engineering
1823:and is only used in the US.
1747:
1696:, requires another factor,
1659:
1654:
1643:pound-force per square inch
10:
3347:
3193:Kilopounds per square inch
2170:Obert, Edward F. (1948).
1775:Mass in special relativity
1770:Mass in general relativity
1720:
1604:
1547:
1526:
1294:
312:(4.4482216152605 N).
36:
29:
3295:English Engineering Units
3272:
3201:
3175:
3149:
3096:
3075:
3030:
3004:
2958:
2927:
2920:
2884:
2816:
2807:
2749:English Engineering units
2719:
2633:
2612:
2546:
2530:
2465:
2414:
2373:
2366:
2320:
2224:
2215:
1621:
1564:
1516:
1478:
1451:
1446:
1441:
1436:
1416:
1385:
1358:
1266:
1186:
1100:
1017:
945:
877:
870:
865:
857:
852:
847:
820:
811:Conversion to other units
189:English Engineering units
135:
116:
97:
93:
75:
67:
58:English Engineering units
51:
46:
3202:Other units and measures
2634:Other units and measures
1471:
1466:
1461:
1456:
1297:Foot–pound–second system
193:foot–pound–second system
1652:poundal per square foot
140:Absolute English System
3188:Pounds per square inch
2625:Pounds per square inch
1989:
1923:engineeringtoolbox.com
1796:Pounds per square inch
802:
665:
185:systems of measurement
39:Pound (disambiguation)
2824:Thousandth of an inch
2237:Thousandth of an inch
1981:
1738:Solid Rocket Boosters
1721:Further information:
1633:pound per square inch
803:
666:
3264:Ton of refrigeration
3214:British thermal unit
2641:British thermal unit
1807:Notes and references
1638:technical atmosphere
687:
318:
224:(lbf⋅ft), a unit of
214:(ft⋅lbf), a unit of
37:For other uses, see
3280:American wire gauge
3254:Pound-foot (torque)
3239:Foot-pound (energy)
2079:10.1021/ie50712a010
2048:10.1021/ie50367a028
1755:Foot-pound (energy)
1680:Newton's second law
1648:standard atmosphere
1311:
817:
88:... is equal to ...
3290:Body jewelry sizes
3285:Avoirdupois system
2727:Avoirdupois system
1976:2012-02-07 at the
1780:Mass versus weight
1309:
815:
798:
796:
792:
745:
661:
659:
636:
576:
528:
479:
429:
408:
244:on the surface of
145:
137:
126:
118:
107:
99:
3308:
3307:
3071:
3070:
2767:
2766:
2526:
2525:
2005:Barry N. Taylor,
1985:980.665 cm/s
1919:"Mass and Weight"
1878:, Prentice-Hall,
1671:
1670:
1355:2nd law of motion
1288:
1287:
791:
783:
776:
768:
744:
736:
731:
717:
701:
655:
635:
627:
622:
608:
588:
575:
574:
571:
557:
541:
527:
478:
448:
428:
427:
424:
407:
399:
394:
380:
360:
348:
332:
242:avoirdupois pound
154:
153:
76:Conversions
16:(Redirected from
3338:
2925:
2924:
2794:
2787:
2780:
2771:
2770:
2371:
2370:
2202:
2195:
2188:
2179:
2178:
2158:
2157:
2155:
2153:
2131:
2125:
2124:
2119:
2117:
2098:
2092:
2089:
2083:
2082:
2058:
2052:
2051:
2031:
2025:
2022:
2016:
2003:
1997:
1986:
1967:
1961:
1960:
1953:
1947:
1944:
1938:
1937:
1935:
1934:
1915:
1909:
1908:
1906:
1905:
1869:
1863:
1860:
1848:
1846:
1844:
1841:
1830:
1824:
1817:
1695:
1678:unit—the use of
1429:
1414:
1413:
1411:
1410:
1405:
1402:
1383:
1382:
1380:
1379:
1374:
1371:
1335:
1328:
1321:
1312:
1308:
1283:
1281:
1262:
1255:
1249:
1248:
1241:
1236:
1230:
1228:
1223:
1217:
1215:
1210:
1204:
1202:
1197:
1190:
1182:
1179:
1173:
1167:
1163:
1154:
1148:
1146:
1141:
1135:
1133:
1128:
1122:
1120:
1115:
1109:
1108:
1096:
1093:
1087:
1086:
1078:
1071:
1067:
1063:
1054:
1048:
1046:
1041:
1035:
1033:
1028:
1021:
1013:
1011:
1006:
1000:
999:
992:
987:
981:
979:
974:
968:
965:
959:
956:
949:
941:
938:
932:
931:
924:
919:
913:
911:
906:
900:
897:
891:
888:
881:
841:
834:
827:
818:
814:
807:
805:
804:
799:
797:
793:
790:
789:
784:
781:
778:
777:
774:
769:
766:
763:
750:
746:
743:
742:
737:
734:
729:
728:
718:
715:
702:
699:
680:
670:
668:
667:
662:
660:
656:
653:
641:
637:
634:
633:
628:
625:
620:
619:
609:
606:
594:
590:
589:
586:
577:
572:
569:
568:
558:
555:
542:
539:
529:
526:
525:
516:
509:
497:
484:
480:
477:
476:
467:
459:
449:
446:
434:
430:
425:
422:
421:
414:
409:
406:
405:
400:
397:
392:
391:
381:
378:
366:
362:
361:
358:
349:
346:
333:
330:
311:
310:
308:
307:
304:
301:
294:
146:
138:
127:
119:
108:
100:
44:
43:
21:
3346:
3345:
3341:
3340:
3339:
3337:
3336:
3335:
3311:
3310:
3309:
3304:
3273:Related systems
3268:
3197:
3183:Inch of mercury
3171:
3145:
3092:
3083:Feet per second
3067:
3026:
3000:
2954:
2916:
2880:
2812:
2803:
2798:
2768:
2763:
2720:Related systems
2715:
2681:Horsepower-hour
2629:
2608:
2542:
2522:
2461:
2410:
2362:
2316:
2220:
2211:
2206:
2167:
2165:General sources
2162:
2161:
2151:
2149:
2132:
2128:
2115:
2113:
2106:www.braeunig.us
2100:
2099:
2095:
2090:
2086:
2064:
2059:
2055:
2032:
2028:
2023:
2019:
2004:
2000:
1984:
1978:Wayback Machine
1968:
1964:
1955:
1954:
1950:
1945:
1941:
1932:
1930:
1917:
1916:
1912:
1903:
1901:
1886:
1870:
1866:
1861:
1857:
1852:
1851:
1842:
1839:
1837:
1831:
1827:
1818:
1814:
1809:
1804:
1750:
1729:pound of thrust
1725:
1719:
1717:Pound of thrust
1702:
1683:
1573:
1417:
1406:
1403:
1394:
1393:
1391:
1386:
1375:
1372:
1367:
1366:
1364:
1359:
1339:
1299:
1293:
1279:
1277:
1274:
1256:
1253:
1247:
1239:
1237:
1234:
1226:
1224:
1221:
1213:
1211:
1208:
1200:
1198:
1195:
1188:
1181:32.174 pdl
1180:
1177:
1168:
1165:
1161:
1160:
1152:
1144:
1142:
1139:
1131:
1129:
1126:
1118:
1116:
1113:
1107:
1101:
1095:70.932 pdl
1094:
1091:
1085:
1079:
1076:
1069:
1065:
1061:
1060:
1052:
1044:
1042:
1039:
1031:
1029:
1026:
1019:
1009:
1007:
1004:
998:
990:
988:
985:
977:
975:
972:
966:
963:
957:
954:
947:
940:7.2330 pdl
939:
936:
930:
922:
920:
917:
909:
907:
904:
898:
895:
889:
886:
879:
862:
845:
816:Units of force
813:
795:
794:
785:
780:
779:
773:
765:
764:
761:
748:
747:
738:
733:
732:
726:
714:
703:
698:
690:
688:
685:
684:
678:
658:
657:
652:
649:4.4482216152605
639:
638:
629:
624:
623:
617:
605:
592:
591:
585:
581:
566:
554:
543:
538:
531:
530:
521:
517:
505:
498:
495:
482:
481:
472:
468:
460:
457:
445:
432:
431:
419:
410:
401:
396:
395:
389:
377:
364:
363:
357:
353:
345:
334:
329:
321:
319:
316:
315:
305:
302:
299:
298:
296:
292:
290:
284:
261:
250:Earth's gravity
234:
173:
144:
136:
128:444,822.2
125:
117:
106:
98:
42:
35:
28:
23:
22:
15:
12:
11:
5:
3344:
3334:
3333:
3331:Imperial units
3328:
3323:
3321:Units of force
3306:
3305:
3303:
3302:
3297:
3292:
3287:
3282:
3276:
3274:
3270:
3269:
3267:
3266:
3261:
3259:Spinning count
3256:
3251:
3246:
3241:
3236:
3231:
3226:
3221:
3219:Degree (angle)
3216:
3211:
3205:
3203:
3199:
3198:
3196:
3195:
3190:
3185:
3179:
3177:
3173:
3172:
3170:
3169:
3164:
3159:
3153:
3151:
3147:
3146:
3144:
3143:
3142:
3141:
3136:
3126:
3121:
3116:
3111:
3106:
3100:
3098:
3094:
3093:
3091:
3090:
3088:Miles per hour
3085:
3079:
3077:
3073:
3072:
3069:
3068:
3066:
3065:
3060:
3055:
3050:
3045:
3040:
3034:
3032:
3028:
3027:
3025:
3024:
3019:
3014:
3008:
3006:
3002:
3001:
2999:
2998:
2993:
2988:
2983:
2978:
2973:
2968:
2962:
2960:
2956:
2955:
2953:
2952:
2947:
2942:
2937:
2931:
2929:
2922:
2918:
2917:
2915:
2914:
2909:
2904:
2899:
2894:
2888:
2886:
2882:
2881:
2879:
2878:
2877:
2876:
2866:
2861:
2856:
2851:
2846:
2841:
2836:
2831:
2826:
2820:
2818:
2814:
2813:
2808:
2805:
2804:
2797:
2796:
2789:
2782:
2774:
2765:
2764:
2762:
2761:
2756:
2751:
2746:
2745:
2744:
2739:
2729:
2723:
2721:
2717:
2716:
2714:
2713:
2711:Spinning count
2708:
2703:
2698:
2693:
2688:
2683:
2678:
2673:
2668:
2663:
2658:
2653:
2648:
2643:
2637:
2635:
2631:
2630:
2628:
2627:
2622:
2616:
2614:
2610:
2609:
2607:
2606:
2601:
2596:
2591:
2586:
2581:
2576:
2571:
2566:
2561:
2556:
2550:
2548:
2544:
2543:
2541:
2540:
2538:Miles per hour
2534:
2532:
2528:
2527:
2524:
2523:
2521:
2520:
2515:
2510:
2505:
2500:
2495:
2490:
2485:
2480:
2475:
2469:
2467:
2463:
2462:
2460:
2459:
2454:
2449:
2444:
2439:
2434:
2429:
2424:
2418:
2416:
2412:
2411:
2409:
2408:
2403:
2398:
2393:
2388:
2383:
2377:
2375:
2368:
2364:
2363:
2361:
2360:
2355:
2350:
2345:
2340:
2335:
2330:
2324:
2322:
2318:
2317:
2315:
2314:
2309:
2304:
2299:
2294:
2289:
2287:Gunter's chain
2284:
2279:
2274:
2269:
2264:
2259:
2254:
2249:
2244:
2239:
2234:
2228:
2226:
2222:
2221:
2216:
2213:
2212:
2209:Imperial units
2205:
2204:
2197:
2190:
2182:
2176:
2175:
2172:Thermodynamics
2166:
2163:
2160:
2159:
2126:
2093:
2084:
2062:
2053:
2042:(7): 984–987.
2026:
2017:
1998:
1993:kilogram-force
1962:
1948:
1939:
1910:
1885:978-0135018583
1884:
1864:
1854:
1853:
1850:
1849:
1836:to be exactly
1825:
1811:
1810:
1808:
1805:
1803:
1802:
1793:
1788:
1783:
1777:
1772:
1767:
1762:
1757:
1751:
1749:
1746:
1718:
1715:
1700:
1669:
1668:
1663:
1658:
1653:
1650:
1645:
1640:
1635:
1630:
1619:
1618:
1613:
1608:
1603:
1598:
1595:
1592:
1587:
1582:
1562:
1561:
1556:
1551:
1546:
1541:
1538:
1535:
1530:
1525:
1514:
1513:
1510:
1507:
1502:
1499:
1496:
1493:
1490:
1487:
1476:
1475:
1470:
1465:
1460:
1455:
1450:
1445:
1440:
1435:
1431:
1430:
1415:
1384:
1357:
1351:
1350:
1347:
1344:
1341:
1338:
1337:
1330:
1323:
1315:
1295:Main article:
1292:
1289:
1286:
1285:
1272:
1264:
1263:
1250:
1245:
1231:
1218:
1205:
1192:
1184:
1183:
1174:
1158:
1149:
1136:
1123:
1110:
1105:
1098:
1097:
1088:
1083:
1073:
1058:
1049:
1036:
1023:
1015:
1014:
1001:
996:
982:
969:
960:
951:
943:
942:
933:
928:
914:
901:
892:
883:
875:
874:
869:
864:
859:kilogram-force
856:
851:
846:
844:
843:
836:
829:
821:
812:
809:
788:
772:
759:
756:
753:
751:
749:
741:
724:
721:
712:
709:
706:
704:
696:
693:
692:
650:
647:
644:
642:
640:
632:
615:
612:
603:
600:
597:
595:
593:
584:
580:
564:
561:
552:
549:
546:
544:
536:
533:
532:
524:
520:
515:
512:
508:
504:
501:
493:
490:
487:
485:
483:
475:
471:
466:
463:
455:
452:
443:
440:
437:
435:
433:
417:
413:
404:
387:
384:
375:
372:
369:
367:
365:
356:
352:
343:
340:
337:
335:
327:
324:
323:
282:
260:
257:
233:
230:
171:
158:pound of force
152:
151:
147:32.17405
142:
133:
132:
123:
114:
113:
109:4.448222
104:
95:
94:
91:
90:
85:
78:
77:
73:
72:
69:
65:
64:
55:
49:
48:
26:
9:
6:
4:
3:
2:
3343:
3332:
3329:
3327:
3324:
3322:
3319:
3318:
3316:
3301:
3298:
3296:
3293:
3291:
3288:
3286:
3283:
3281:
3278:
3277:
3275:
3271:
3265:
3262:
3260:
3257:
3255:
3252:
3250:
3247:
3245:
3242:
3240:
3237:
3235:
3232:
3230:
3227:
3225:
3222:
3220:
3217:
3215:
3212:
3210:
3207:
3206:
3204:
3200:
3194:
3191:
3189:
3186:
3184:
3181:
3180:
3178:
3174:
3168:
3165:
3163:
3160:
3158:
3155:
3154:
3152:
3148:
3140:
3137:
3135:
3132:
3131:
3130:
3127:
3125:
3124:Hundredweight
3122:
3120:
3117:
3115:
3112:
3110:
3107:
3105:
3102:
3101:
3099:
3095:
3089:
3086:
3084:
3081:
3080:
3078:
3074:
3064:
3061:
3059:
3056:
3054:
3051:
3049:
3046:
3044:
3041:
3039:
3036:
3035:
3033:
3029:
3023:
3020:
3018:
3015:
3013:
3010:
3009:
3007:
3003:
2997:
2994:
2992:
2989:
2987:
2984:
2982:
2979:
2977:
2974:
2972:
2969:
2967:
2964:
2963:
2961:
2957:
2951:
2948:
2946:
2943:
2941:
2938:
2936:
2933:
2932:
2930:
2926:
2923:
2919:
2913:
2910:
2908:
2905:
2903:
2900:
2898:
2895:
2893:
2890:
2889:
2887:
2883:
2875:
2872:
2871:
2870:
2867:
2865:
2862:
2860:
2857:
2855:
2852:
2850:
2847:
2845:
2842:
2840:
2837:
2835:
2832:
2830:
2827:
2825:
2822:
2821:
2819:
2815:
2811:
2806:
2802:
2795:
2790:
2788:
2783:
2781:
2776:
2775:
2772:
2760:
2757:
2755:
2752:
2750:
2747:
2743:
2740:
2738:
2735:
2734:
2733:
2732:English units
2730:
2728:
2725:
2724:
2722:
2718:
2712:
2709:
2707:
2704:
2702:
2699:
2697:
2694:
2692:
2691:Pound (force)
2689:
2687:
2684:
2682:
2679:
2677:
2674:
2672:
2669:
2667:
2664:
2662:
2659:
2657:
2654:
2652:
2649:
2647:
2644:
2642:
2639:
2638:
2636:
2632:
2626:
2623:
2621:
2618:
2617:
2615:
2611:
2605:
2602:
2600:
2597:
2595:
2594:Hundredweight
2592:
2590:
2587:
2585:
2582:
2580:
2577:
2575:
2572:
2570:
2567:
2565:
2562:
2560:
2557:
2555:
2552:
2551:
2549:
2545:
2539:
2536:
2535:
2533:
2529:
2519:
2516:
2514:
2511:
2509:
2506:
2504:
2501:
2499:
2496:
2494:
2491:
2489:
2488:Fluid Scruple
2486:
2484:
2481:
2479:
2476:
2474:
2471:
2470:
2468:
2464:
2458:
2455:
2453:
2450:
2448:
2445:
2443:
2440:
2438:
2435:
2433:
2430:
2428:
2425:
2423:
2420:
2419:
2417:
2413:
2407:
2404:
2402:
2399:
2397:
2394:
2392:
2389:
2387:
2384:
2382:
2379:
2378:
2376:
2372:
2369:
2365:
2359:
2356:
2354:
2351:
2349:
2346:
2344:
2341:
2339:
2336:
2334:
2331:
2329:
2326:
2325:
2323:
2319:
2313:
2310:
2308:
2307:Nautical mile
2305:
2303:
2300:
2298:
2295:
2293:
2290:
2288:
2285:
2283:
2280:
2278:
2275:
2273:
2270:
2268:
2265:
2263:
2260:
2258:
2255:
2253:
2250:
2248:
2245:
2243:
2240:
2238:
2235:
2233:
2230:
2229:
2227:
2223:
2219:
2214:
2210:
2203:
2198:
2196:
2191:
2189:
2184:
2183:
2180:
2173:
2169:
2168:
2147:
2143:
2142:
2137:
2130:
2123:
2111:
2107:
2103:
2097:
2088:
2080:
2076:
2072:
2068:
2057:
2049:
2045:
2041:
2037:
2030:
2021:
2014:
2010:
2009:
2002:
1996:
1994:
1988:
1979:
1975:
1972:
1966:
1958:
1952:
1943:
1928:
1924:
1920:
1914:
1899:
1895:
1891:
1887:
1881:
1877:
1876:
1868:
1859:
1855:
1835:
1829:
1822:
1816:
1812:
1801:
1797:
1794:
1792:
1789:
1787:
1784:
1781:
1778:
1776:
1773:
1771:
1768:
1766:
1763:
1761:
1758:
1756:
1753:
1752:
1745:
1743:
1739:
1735:
1734:Space Shuttle
1730:
1724:
1714:
1712:
1708:
1704:
1703:
1694:
1690:
1686:
1681:
1676:
1667:
1662:
1657:
1649:
1644:
1639:
1634:
1628:
1624:
1620:
1617:
1612:
1607:
1602:
1591:
1586:
1580:
1576:
1571:
1567:
1563:
1560:
1555:
1550:
1545:
1534:
1529:
1523:
1519:
1515:
1511:
1508:
1506:
1500:
1497:
1494:
1491:
1488:
1485:
1481:
1477:
1474:
1469:
1464:
1459:
1454:
1449:
1444:
1439:
1433:
1432:
1428:
1424:
1420:
1409:
1401:
1397:
1389:
1378:
1370:
1362:
1356:
1353:
1352:
1336:
1331:
1329:
1324:
1322:
1317:
1316:
1314:
1313:
1307:
1305:
1298:
1275:
1271:
1267:The value of
1265:
1260:
1251:
1232:
1219:
1206:
1193:
1185:
1175:
1172:
1157:
1150:
1137:
1124:
1111:
1099:
1089:
1074:
1057:
1050:
1037:
1024:
1016:
1002:
983:
970:
967:1 g⋅cm/s
961:
952:
944:
934:
915:
902:
893:
890:1 kg⋅m/s
884:
876:
873:
868:
860:
855:
850:
842:
837:
835:
830:
828:
823:
822:
819:
808:
786:
770:
757:
754:
752:
739:
722:
719:
710:
707:
705:
694:
682:
676:
671:
648:
645:
643:
630:
613:
610:
601:
598:
596:
582:
578:
562:
559:
550:
547:
545:
534:
522:
506:
491:
488:
486:
473:
453:
450:
441:
438:
436:
415:
411:
402:
385:
382:
373:
370:
368:
354:
350:
341:
338:
336:
325:
313:
288:
281:
276:
274:
270:
266:
256:
253:
251:
247:
243:
239:
229:
227:
223:
222:
217:
213:
212:
207:
203:
202:
196:
194:
190:
186:
183:used in some
182:
178:
174:
167:
163:
159:
150:
143:
141:
134:
131:
124:
122:
115:
112:
105:
103:
96:
92:
89:
86:
84:
80:
79:
74:
70:
66:
63:
59:
56:
54:
50:
45:
40:
33:
32:LBF (airport)
19:
3234:Foot-lambert
3209:Bolt (cloth)
3161:
2690:
2671:Foot-poundal
2589:Long hundred
2569:Pound (mass)
2493:Fluid Drachm
2452:Trade gallon
2171:
2150:. Retrieved
2139:
2129:
2121:
2114:. Retrieved
2105:
2096:
2087:
2073:(4): 53–59.
2070:
2066:
2056:
2039:
2035:
2029:
2020:
2006:
2001:
1990:
1982:
1969:In 1901 the
1965:
1956:
1951:
1942:
1931:. Retrieved
1922:
1913:
1902:, retrieved
1874:
1867:
1858:
1828:
1815:
1798:, a unit of
1728:
1726:
1706:
1698:
1692:
1688:
1684:
1672:
1626:
1584:
1578:
1569:
1521:
1483:
1480:Acceleration
1426:
1422:
1418:
1407:
1399:
1395:
1387:
1376:
1368:
1360:
1304:unit of mass
1300:
1269:
1155:
1080:2.2046
1055:
866:
683:
672:
314:
279:
277:
262:
254:
235:
219:
209:
199:
197:
187:, including
169:
168:, sometimes
165:
161:
157:
155:
87:
82:
3229:Foot-candle
3162:Pound-force
2976:Fluid ounce
2912:Square mile
2902:Square yard
2897:Square foot
2892:Square inch
2661:Foot-candle
2432:Fluid ounce
2358:Square mile
2338:Square yard
2333:Square foot
2328:Square inch
2152:25 November
2116:16 February
1594:pound-force
1012:10 pdl
899:10 dyn
867:pound-force
679:1 ft/s
265:avoirdupois
232:Definitions
162:pound-force
81:1 lbf
53:Unit system
47:Pound-force
18:Pound force
3315:Categories
3244:Horsepower
3224:Fahrenheit
3012:Board foot
2971:Tablespoon
2950:Cubic mile
2945:Cubic yard
2940:Cubic foot
2935:Cubic inch
2737:Winchester
2696:Pound-foot
2676:Horsepower
2666:Foot-pound
2651:Fahrenheit
2427:Tablespoon
2401:Cubic mile
2396:Cubic yard
2386:Cubic foot
2381:Cubic inch
2242:Barleycorn
1971:third CGPM
1933:2010-08-03
1904:2017-08-03
1765:Kip (unit)
1537:pound-mass
1257:1 lb⋅
980:10 kp
602:0.45359237
563:0.45359237
285:) and the
221:pound-foot
211:foot-pound
201:pound-mass
3063:Acre-foot
3022:Face cord
2742:Exchequer
2599:Ship load
2141:wired.com
1760:Ton-force
1727:The term
1597:kilopond
1540:kilogram
1282: m/s
1216: dyn
1134: dyn
1047: dyn
958:10 N
863:kilopond
771:⋅
720:×
611:×
579:×
560:×
507:⋅
492:32.174049
489:≈
454:32.174049
451:×
439:≈
383:×
351:×
164:(symbol:
121:CGS units
3176:Pressure
2966:Teaspoon
2613:Pressure
2518:Hogshead
2473:Chaldron
2422:Teaspoon
2146:Archived
2110:Archived
2011:, 1995,
1974:Archived
1927:Archived
1898:archived
1894:77024142
1845: kg
1800:pressure
1748:See also
1707:coherent
1623:Pressure
1590:kilopond
1559:kilogram
1425:⋅
1398:⋅
1229: kp
1147: kp
993:10
912: kp
191:and the
175:,) is a
102:SI units
3157:Poundal
2959:Cooking
2928:Derived
2874:statute
2864:Furlong
2701:Poundal
2686:Kenning
2656:Rankine
2579:Quarter
2415:Cooking
2374:Derived
2292:Furlong
1791:Poundal
1736:'s two
1601:poundal
1434:System
1412:
1392:
1381:
1365:
1346:Weight
1203: N
1169:1
1121: N
1102:1
1034: N
872:poundal
614:9.80665
386:9.80665
309:
297:
269:exactly
267:pound (
240:of one
3058:Barrel
3053:Bushel
2996:Gallon
2921:Volume
2817:Length
2646:Degree
2559:Drachm
2508:Barrel
2503:Bushel
2457:Gallon
2391:Hoppus
2367:Volume
2312:League
2272:Fathom
2225:Length
1892:
1882:
1786:Newton
1723:thrust
1675:weight
1666:pascal
1616:newton
1611:sthène
1575:weight
1343:Force
1254:
1242:
1235:
1222:
1209:
1196:
1189:
1178:
1166:
1162:
1153:
1140:
1127:
1114:
1092:
1077:
1070:
1066:
1062:
1053:
1040:
1027:
1020:
1008:7.2330
1005:
989:2.2481
986:
976:1.0197
973:
964:
955:
948:
937:
925:
918:
905:
896:
887:
880:
849:newton
681:, so:
416:0.3048
295:
291:32.174
226:torque
216:energy
83:in ...
68:Symbol
3150:Force
3139:Short
3119:Pound
3114:Ounce
3104:Grain
3076:Speed
3038:Minim
3031:Other
2991:Quart
2859:Chain
2574:Stone
2564:Ounce
2554:Grain
2531:Speed
2513:Stuck
2478:Minim
2466:Other
2447:Quart
2406:Tmcft
2343:Perch
2297:Cable
2282:Chain
1838:0.453
1661:pieze
1656:barye
1585:pound
1566:Force
1554:tonne
1544:pound
1349:Mass
1340:Base
1278:9.806
1238:0.031
1225:0.014
1199:0.138
1143:0.453
1117:4.448
1030:9.806
921:0.224
908:0.101
300:ft⋅lb
246:Earth
218:, or
181:force
3249:Perm
3134:Long
3109:Dram
3097:Mass
3048:Peck
3043:Gill
3017:Cord
3005:Wood
2986:Pint
2907:Acre
2885:Area
2869:Mile
2849:Yard
2844:Foot
2839:Link
2834:Hand
2829:Inch
2706:Span
2584:Slug
2547:Mass
2498:Peck
2483:Gill
2442:Pint
2353:Acre
2348:Rood
2321:Area
2302:Mile
2267:Yard
2262:Foot
2257:Link
2252:Hand
2247:Inch
2232:Twip
2154:2019
2118:2018
2013:NIST
1890:LCCN
1880:ISBN
1832:The
1606:dyne
1549:gram
1528:slug
1518:Mass
1512:m/s
1501:ft/s
1498:m/s
1495:ft/s
1492:m/s
1489:ft/s
1191:pdl
950:dyn
854:dyne
767:slug
716:slug
675:slug
238:mass
206:mass
177:unit
156:The
3167:Kip
3129:Ton
2981:Cup
2854:Rod
2620:Ksi
2604:Ton
2437:Cup
2277:Rod
2075:doi
2065:".
2044:doi
1840:592
1533:hyl
1509:m/s
1505:Gal
1468:MTS
1463:CGS
1240:081
1227:098
1214:825
1201:255
1132:822
1130:444
1119:222
1072:kg
1045:665
1043:980
1022:kp
700:lbf
540:lbf
331:lbf
293:049
195:.
179:of
166:lbf
160:or
149:pdl
130:dyn
71:lbf
3317::
2144:.
2138:.
2120:.
2108:.
2104:.
2071:61
2069:.
2040:32
2038:.
1925:.
1921:.
1896:,
1888:,
1843:37
1742:MN
1711:SI
1691:⋅
1687:=
1682:,
1629:)
1581:)
1572:),
1524:)
1486:)
1473:SI
1458:AE
1448:EE
1443:GM
1438:BG
1421:=
1390:=
1363:=
1280:65
1261:/s
1259:ft
1244:lb
1212:13
1171:lb
1145:59
1104:lb
1082:lb
1032:65
995:lb
927:lb
923:81
910:97
882:N
861:,
775:ft
730:ft
607:kg
573:lb
570:kg
556:lb
447:lb
426:ft
379:lb
347:lb
228:.
170:lb
60:,
2793:e
2786:t
2779:v
2201:e
2194:t
2187:v
2156:.
2081:.
2077::
2063:c
2050:.
2046::
1936:.
1907:.
1847:.
1701:c
1699:g
1693:a
1689:m
1685:F
1627:p
1625:(
1579:W
1577:(
1570:F
1568:(
1522:m
1520:(
1484:a
1482:(
1453:M
1427:a
1423:m
1419:F
1408:g
1404:/
1400:a
1396:W
1388:F
1377:a
1373:/
1369:F
1361:m
1334:e
1327:t
1320:v
1276:(
1273:n
1270:g
1252:≡
1246:F
1233:≈
1220:≈
1207:≈
1194:≈
1187:1
1176:≈
1164:×
1159:n
1156:g
1151:≡
1138:≈
1125:≈
1112:≈
1106:F
1090:≈
1084:F
1075:≈
1068:1
1064:×
1059:n
1056:g
1051:≡
1038:=
1025:=
1018:1
1010:×
1003:≈
997:F
991:×
984:≈
978:×
971:≈
962:≡
953:=
946:1
935:≈
929:F
916:≈
903:≈
894:=
885:≡
878:1
840:e
833:t
826:v
787:2
782:s
758:1
755:=
740:2
735:s
723:1
711:1
708:=
695:1
654:N
646:=
631:2
626:s
621:m
599:=
587:n
583:g
551:1
548:=
535:1
523:2
519:s
514:b
511:l
503:t
500:f
474:2
470:s
465:t
462:f
442:1
423:m
412:/
403:2
398:s
393:m
374:1
371:=
359:n
355:g
342:1
339:=
326:1
306:s
303:/
283:n
280:g
172:f
111:N
41:.
34:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.