foot-pound force | 1 ft·lbf | 2 ft·lbf | 3 ft·lbf | 4 ft·lbf | 5 ft·lbf | 6 ft·lbf | 7 ft·lbf | 8 ft·lbf | 9 ft·lbf | 10 ft·lbf | 11 ft·lbf | 12 ft·lbf | 13 ft·lbf | 14 ft·lbf | 15 ft·lbf | 16 ft·lbf | 17 ft·lbf | 18 ft·lbf | 19 ft·lbf | 20 ft·lbf | 21 ft·lbf | 22 ft·lbf | 23 ft·lbf | 24 ft·lbf | 25 ft·lbf | 26 ft·lbf | 27 ft·lbf | 28 ft·lbf | 29 ft·lbf | 30 ft·lbf | 31 ft·lbf | 32 ft·lbf | 33 ft·lbf | 34 ft·lbf | 35 ft·lbf | 36 ft·lbf | 37 ft·lbf | 38 ft·lbf | 39 ft·lbf | 40 ft·lbf | 41 ft·lbf | 42 ft·lbf | 43 ft·lbf | 44 ft·lbf | 45 ft·lbf | 46 ft·lbf | 47 ft·lbf | 48 ft·lbf | 49 ft·lbf | 50 ft·lbf | 51 ft·lbf | 52 ft·lbf | 53 ft·lbf | 54 ft·lbf | 55 ft·lbf | 56 ft·lbf | 57 ft·lbf | 58 ft·lbf | 59 ft·lbf | 60 ft·lbf | 61 ft·lbf | 62 ft·lbf | 63 ft·lbf | 64 ft·lbf | 65 ft·lbf | 66 ft·lbf | 67 ft·lbf | 68 ft·lbf | 69 ft·lbf | 70 ft·lbf | 71 ft·lbf | 72 ft·lbf | 73 ft·lbf | 74 ft·lbf | 75 ft·lbf | 76 ft·lbf | 77 ft·lbf | 78 ft·lbf | 79 ft·lbf | 80 ft·lbf | 81 ft·lbf | 82 ft·lbf | 83 ft·lbf | 84 ft·lbf | 85 ft·lbf | 86 ft·lbf | 87 ft·lbf | 88 ft·lbf | 89 ft·lbf | 90 ft·lbf | 91 ft·lbf | 92 ft·lbf | 93 ft·lbf | 94 ft·lbf | 95 ft·lbf | 96 ft·lbf | 97 ft·lbf | 98 ft·lbf | 99 ft·lbf | 100 ft·lbf |
electronvolt | 8.4623503922703 × 1018 eV | 1.6924700784541 × 1019 eV | 2.5387051176811 × 1019 eV | 3.3849401569081 × 1019 eV | 4.2311751961351 × 1019 eV | 5.0774102353622 × 1019 eV | 5.9236452745892 × 1019 eV | 6.7698803138162 × 1019 eV | 7.6161153530433 × 1019 eV | 8.4623503922703 × 1019 eV | 9.3085854314973 × 1019 eV | 1.0154820470724 × 1020 eV | 1.1001055509951 × 1020 eV | 1.1847290549178 × 1020 eV | 1.2693525588405 × 1020 eV | 1.3539760627632 × 1020 eV | 1.4385995666859 × 1020 eV | 1.5232230706087 × 1020 eV | 1.6078465745314 × 1020 eV | 1.6924700784541 × 1020 eV | 1.7770935823768 × 1020 eV | 1.8617170862995 × 1020 eV | 1.9463405902222 × 1020 eV | 2.0309640941449 × 1020 eV | 2.1155875980676 × 1020 eV | 2.2002111019903 × 1020 eV | 2.284834605913 × 1020 eV | 2.3694581098357 × 1020 eV | 2.4540816137584 × 1020 eV | 2.5387051176811 × 1020 eV | 2.6233286216038 × 1020 eV | 2.7079521255265 × 1020 eV | 2.7925756294492 × 1020 eV | 2.8771991333719 × 1020 eV | 2.9618226372946 × 1020 eV | 3.0464461412173 × 1020 eV | 3.13106964514 × 1020 eV | 3.2156931490627 × 1020 eV | 3.3003166529854 × 1020 eV | 3.3849401569081 × 1020 eV | 3.4695636608308 × 1020 eV | 3.5541871647535 × 1020 eV | 3.6388106686762 × 1020 eV | 3.7234341725989 × 1020 eV | 3.8080576765216 × 1020 eV | 3.8926811804443 × 1020 eV | 3.977304684367 × 1020 eV | 4.0619281882897 × 1020 eV | 4.1465516922124 × 1020 eV | 4.2311751961351 × 1020 eV | 4.3157987000578 × 1020 eV | 4.4004222039805 × 1020 eV | 4.4850457079032 × 1020 eV | 4.569669211826 × 1020 eV | 4.6542927157487 × 1020 eV | 4.7389162196714 × 1020 eV | 4.8235397235941 × 1020 eV | 4.9081632275168 × 1020 eV | 4.9927867314395 × 1020 eV | 5.0774102353622 × 1020 eV | 5.1620337392849 × 1020 eV | 5.2466572432076 × 1020 eV | 5.3312807471303 × 1020 eV | 5.415904251053 × 1020 eV | 5.5005277549757 × 1020 eV | 5.5851512588984 × 1020 eV | 5.6697747628211 × 1020 eV | 5.7543982667438 × 1020 eV | 5.8390217706665 × 1020 eV | 5.9236452745892 × 1020 eV | 6.0082687785119 × 1020 eV | 6.0928922824346 × 1020 eV | 6.1775157863573 × 1020 eV | 6.26213929028 × 1020 eV | 6.3467627942027 × 1020 eV | 6.4313862981254 × 1020 eV | 6.5160098020481 × 1020 eV | 6.6006333059708 × 1020 eV | 6.6852568098935 × 1020 eV | 6.7698803138162 × 1020 eV | 6.8545038177389 × 1020 eV | 6.9391273216616 × 1020 eV | 7.0237508255843 × 1020 eV | 7.108374329507 × 1020 eV | 7.1929978334297 × 1020 eV | 7.2776213373524 × 1020 eV | 7.3622448412751 × 1020 eV | 7.4468683451978 × 1020 eV | 7.5314918491206 × 1020 eV | 7.6161153530433 × 1020 eV | 7.700738856966 × 1020 eV | 7.7853623608887 × 1020 eV | 7.8699858648114 × 1020 eV | 7.9546093687341 × 1020 eV | 8.0392328726568 × 1020 eV | 8.1238563765795 × 1020 eV | 8.2084798805022 × 1020 eV | 8.2931033844249 × 1020 eV | 8.3777268883476 × 1020 eV | 8.4623503922703 × 1020 eV |
The foot-pound force (symbol: ft·lbf or ft·lb), sometimes erroneously referred to as feet per pound (symbol: ft/lb), is a unit of work or energy in the Engineering and Gravitational Systems in United States customary and imperial units of measure. It is the energy transferred upon applying a force of one pound-force (lbf) through a linear displacement of one foot. The corresponding SI unit is the joule.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
foot-pound force | ft·lbf | ≡ ɡ0 × 1 lb × 1 ft | = 1.3558179483314004 J | Imperial/US |
feet-pound force | electronvolts | feet-pound force | electronvolts |
---|---|---|---|
1 | ≈ 8.4623503922703E+18 | 6 | ≈ 5.0774102353622E+19 |
2 | ≈ 1.6924700784541E+19 | 7 | ≈ 5.9236452745892E+19 |
3 | ≈ 2.5387051176811E+19 | 8 | ≈ 6.7698803138162E+19 |
4 | ≈ 3.3849401569081E+19 | 9 | ≈ 7.6161153530433E+19 |
5 | ≈ 4.2311751961351E+19 | 10 | ≈ 8.4623503922703E+19 |
In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately 1.6×10−19 joules (symbol J).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
electronvolt | eV | ≡ e × 1 V | ≈ 1.602176565(35)×10−19 J | Metric system SI |
electronvolts | feet-pound force | electronvolts | feet-pound force |
---|---|---|---|
1 | ≈ 1.1817047908031E-19 | 6 | ≈ 7.0902287448184E-19 |
2 | ≈ 2.3634095816061E-19 | 7 | ≈ 8.2719335356215E-19 |
3 | ≈ 3.5451143724092E-19 | 8 | ≈ 9.4536383264245E-19 |
4 | ≈ 4.7268191632123E-19 | 9 | ≈ 1.0635343117228E-18 |
5 | ≈ 5.9085239540153E-19 | 10 | ≈ 1.1817047908031E-18 |
feet-pound force | electronvolts |
---|---|
1 | ≈ 8.4623503922703 × 1018 |
1.1817047908031 × 10-19 | ≈ 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 …) |