ampere-hr (A-hr) 3,600 coulomb (C) J 0.7376 ft-lbf ångström (Å) 1×10–10meter (m) J 1 newton·m (N·m)(W) atmosphere (atm) 76.0 cm, mercury (Hg) J/s 1 watt atm, std 29.92 in, mercury (Hg)atm, std 14.70 lbf/in2 abs (psia) kilogram (kg) 2.205...