100 N·m in lbf·ft
- Valore
- 100 N·m
- Da
- newton-metre (N·m)
- A
- pound-foot (lbf·ft)
- Valore convertito
- 73.7562149277 lbf·ft
Fonte di verifica: 100 / (4.4482216152605 × 0.3048) (Python 3.8 fractions from the legal definitions)
Converti N·m in lb-ft, lb-ft in N·m, lb-in e kgf·m per le specifiche di chiavi dinamometriche e bulloni, usando esattamente 1 lbf·ft = 1.3558179483314004 N·m.
Aggiornato Esempi verificati: 4
100 N·m equivale a circa 73.75621 lbf·ft. Un’unità di newton metro equivale a circa 0.7375621 lbf·ft.
| Unità | Valore | Definizione |
|---|---|---|
| newton metro (N·m) | 100 | Unità di base |
| kilonewton-metre (kN·m) | 0.1 | 1 kN·m = 1,000 N·m, esatto |
| libbra piede (lbf·ft) | 73.75621 | 1 lbf·ft = 1.3558179483314004 N·m, esatto |
| pound-inch (lbf·in) | 885.0746 | 1 lbf·in = 0.1129848290276167 N·m, esatto |
| kilogram-force metre (kgf·m) | 10.19716 | 1 kgf·m = 9.80665 N·m, esatto |
1 lbf·ft = 1.3558179483314004 N·m, esatto
Entrambe le unità sono definite esattamente, ma il valore convertito è un decimale periodico; viene mostrato con 12 cifre significative.
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.
Fonte di verifica: 100 / (4.4482216152605 × 0.3048) (Python 3.8 fractions from the legal definitions)
Fonte di verifica: 4.4482216152605 N × 0.3048 m = 1.3558179483314004 N·m (NIST SP 811 App. B)
Fonte di verifica: 12 in = 1 ft
Fonte di verifica: 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 precisione dipende dai dati inseriti e dalle ipotesi del metodo. Il calcolo decimale usa 50 cifre significative, ma stime, metodi numerici e dati di origine possono essere meno precisi; l’arrotondamento visualizzato non elimina questi limiti. Esempi svolti verificati con fonti indipendenti: 4. Per esempio, «100 N·m in lbf·ft» viene verificato 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.
Questa calcolatrice include 4 esempi svolti con risposte da fonti indipendenti. Fanno parte della suite di test e puoi eseguirli anche qui.
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