For single-turn circular loop inductance:

For multi-turn circular loop inductance:

For octagonal loop antenna inductance:[ARRL Antenna Book]

For hexagonal loop antenna inductance:[ARRL Antenna Book]

For square loop antenna inductance:[ARRL Antenna Book]

Loss resistance:

Surface resistance:

Radiation resistance:

Radiation efficiency:

Q factor:

Capacitor voltage:

Loop current:

Bandwidth:

Multi-loop capacitance:
