1. The synonymous unit of Admittance is mho, and the symbol ℧ (an upside-down uppercase omega Ω), are also in common use

2. The inverse of Impedance is Admittance denoted by “Y” and it is measured in “Siemens” represented by the symbol of “℧” (Mho)

3. In equations, Conductance is symbolized by the uppercase letter G.The standard unit of Conductance is the siemens (abbreviated S), formerly known as the mho.