100 N·m in lbf·ft
- Valor
- 100 N·m
- De
- newton-metre (N·m)
- A
- pound-foot (lbf·ft)
- Valor convertido
- 73.7562149277 lbf·ft
Fuente de comprobación: 100 / (4.4482216152605 × 0.3048) (Python 3.8 fractions from the legal definitions)
Convierta N·m a lb-ft, lb-ft a N·m, lb-in y kgf·m para llaves dinamométricas y pernos, usando exactamente 1 lbf·ft = 1.3558179483314004 N·m.
Actualizado Ejemplos verificados: 4
100 N·m equivale aproximadamente a 73.75621 lbf·ft. Una unidad de newton-metro equivale aproximadamente a 0.7375621 lbf·ft.
| Unidad | Valor | Definición |
|---|---|---|
| newton-metro (N·m) | 100 | Unidad base |
| kilonewton-metre (kN·m) | 0.1 | 1 kN·m = 1,000 N·m, exacto |
| libra-pie (lbf·ft) | 73.75621 | 1 lbf·ft = 1.3558179483314004 N·m, exacto |
| pound-inch (lbf·in) | 885.0746 | 1 lbf·in = 0.1129848290276167 N·m, exacto |
| kilogram-force metre (kgf·m) | 10.19716 | 1 kgf·m = 9.80665 N·m, exacto |
1 lbf·ft = 1.3558179483314004 N·m, exacto
Ambas unidades tienen definiciones exactas, pero el valor convertido es un decimal periódico; se muestra con 12 cifras significativas.
Torque is force times lever length, so every torque unit is a force unit multiplied by a length unit, held here as newton-metres. One pound-foot is 4.4482216152605 N × 0.3048 m = 1.3558179483314004 N·m exactly, a pound-inch is a twelfth of that, and a kilogram-force metre is 9.80665 N·m.
The default converts 100 N·m to 73.756 lbf·ft, the scale of wheel-nut and engine torque figures. Bicycle parts and small fasteners use smaller values: 5 N·m is 44.25 lbf·in.
Torque and energy share the dimension N·m, but NIST SP 811 specifies the newton metre, not the joule, as the unit of moment of force, so a torque is never written in joules.
Fuente de comprobación: 100 / (4.4482216152605 × 0.3048) (Python 3.8 fractions from the legal definitions)
Fuente de comprobación: 4.4482216152605 N × 0.3048 m = 1.3558179483314004 N·m (NIST SP 811 App. B)
Fuente de comprobación: 12 in = 1 ft
Fuente de comprobación: 9.80665 N × 1 m
Multiply by 0.737562, or divide by 1.35582. 100 N·m is 73.76 lbf·ft, and a 120 N·m wheel-nut setting is 88.51 lbf·ft. The factor comes from 1 lbf·ft = 4.4482216152605 N × 0.3048 m, which is exact, so only the reverse direction is rounded.
They are the same size, 1.3558 N·m. By convention the pound-foot (lb-ft, lbf·ft) is used for torque and the foot-pound (ft-lb, ft·lbf) for work or energy, mirroring the SI split between N·m for torque and joules for energy. In everyday use “ft-lb” is often written for torque too, and the number is the same.
Multiply by 0.112985. A pound-inch is one twelfth of a pound-foot, so 12 lbf·in = 1 lbf·ft = 1.3558 N·m. Small fasteners are specified in lbf·in or N·m: 50 lbf·in is 5.65 N·m, and 5 N·m is 44.25 lbf·in.
Exactly 9.80665 N·m, the torque of one kilogram-force on a 1 m lever. Older workshop manuals give torque in kgf·m, sometimes written kg·m or kgm, so a 10 kgf·m figure is 98.07 N·m or 72.33 lbf·ft.
Torque and energy are different quantities that happen to share the dimension N·m. NIST SP 811 states that the SI unit of moment of force is the newton metre rather than the joule. Energy is force times distance moved, torque is force times lever arm, and a torque of 1 N·m acting through one full turn does 2π J of work.
La precisión depende de tus datos y de los supuestos del método. El cálculo decimal usa 50 cifras significativas, pero las estimaciones, los métodos numéricos y los datos de origen pueden ser menos precisos; el redondeo mostrado no elimina esos límites. Ejemplos resueltos comprobados con fuentes independientes: 4. Por ejemplo, «100 N·m in lbf·ft» se comprueba con 100 / (4.4482216152605 × 0.3048) (Python 3.8 fractions from the legal definitions).
NIST SP 811 (2008), Guide for the Use of the SI, Appendix B — conversion factors; NIST Handbook 44, Appendix C — General tables of units of measurement.
Esta calculadora incluye 4 ejemplos resueltos con respuestas de fuentes independientes. Forman parte del conjunto de pruebas y también puedes ejecutarlos aquí.
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