Definicija: 1 lb ~ 0,45359237 kg. Funta‑sila (lbf) je sila koja ubrzava 1 lb za 32,174 ft/s²; razlikovati lb (m) i lbf (F).

• Polje: jedinice
• Simbol: lb; lbf
• SI jedinica: kg (ekv.); N (za lbf)
• Aliasi: pound (mass), lbf (force)
• Varijante: pound (mass), lbf (force)
• ID: P3071

Paket ima masu 5 lb, ne 5 lbf.

The package weighs 5 lb (mass), not 5 lbf.

Izvori

• https://www.britannica.com/science/pound-unit-of-weight
• https://en.wikipedia.org/wiki/Pound_(mass)