Australia to Tonga Plug Adapter
No adapter needed
No. Plugs from Australia (Type I) fit the sockets in Tonga (Type I).
Voltage converter
No. Both use the same voltage range (230 V and 240 V).
Frequently asked questions
Do I need a plug adapter for Tonga from Australia?
No. Plugs from Australia (Type I) fit the sockets in Tonga (Type I).
Do I need a voltage converter for Tonga?
No. Both use the same voltage range (230 V and 240 V).
Source: Wikidata (CC0), retrieved 2026-10-22. Plug descriptions and compatibility are our own summary of the IEC plug types. Hotels and new buildings may have other sockets — carry a universal adapter if unsure.