House rulesThe charge is levied to address the gender pay gap. PIC/Paige Cardona

An Australian cafe is charging its male customers an 18 per cent 'man tax' for one week every month and giving women priority seating to raise awareness about the gender pay gap.

Handsome Her' a vegan cafe in Brunswick' Melbourne' is a cafe where women reign supreme.

The cafe has been charging men 18 per cent more in a bid to address the gender pay gap.

Alexandra O'Brien' the owner of the cafe said' "One week out of every month' we have an 18 per cent premium for men' which is the same as the gender pay gap."

The charge is also not compulsory.

The staff at the cafe said the proceeds go to charity.

18 Percentage of the 'man tax' charged at the cafe