Physical quantity name unit name unit symbol length m mass kg time seconds s current ampere [Pei] A thermodynamic temperature Kelvin k luminous intensity Kelvin[Della]CD substance quantity Mol[ edit this paragraph] SI auxiliary unit physical quantity name unit symbol name unit symbol plane angle radian solid angle sphericity Sr[ edit this paragraph ]SI derives unit physical quantity name unit symbol frequency Hz force; Gravity Newton n pressure, pressure Pa [ska] Pa energy; Work; Thermal coke [ear] J power; Radiation flux w [extra] W charge pool [LUN] C potential; Voltage; EMF Volt [V] Capacitance Method [Pull] F Resistance Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω