From Tonga to Christmas Island
All plugs match
When travelling from Tonga to Christmas Island: Good news: all your Tonga plug types fit in Christmas Island. Voltage is different (240V → 230V). Check your charger label; if it doesn’t list 230V you’ll also need a voltage converter. Frequency is the same at 50Hz.
Tonga
Christmas IslandYour plugs
Type I
Fits
Accepted in Christmas Island
Type I
1 of 1 plug type(s) match
You: I • Christmas Island: I
Voltage: 240V → 230V
Different voltage
You may need a voltage converter.
Frequency: 50Hz → 50Hz
Same frequency
Plugs fit, but voltage differsAdapters you may need
Voltage differs; check for 100–240V support.
About electricity in Christmas Island
Christmas Island uses 230V/50Hz with Type I sockets. Australian standard.
Grid & history
A small diesel grid powering the port and the residential settlement.
Availability
Reliable.
Sockets & hotels
Type I.
Energy mix
Renewables1%
Fossil99%
Practical tips
- An Australian Type I adapter works without modification.
- Voltage is the standard 230V, and modern chargers handle it without issue.
Frequently asked questions
- Will my Tonga plug work in Christmas Island?
- Yes. Every Tonga plug type (Type I) fits in Christmas Island sockets without an adapter.
- What plug type does Christmas Island use?
- Christmas Island uses Type I. The supply is 230V at 50Hz.
- Do I need a voltage converter for Christmas Island when travelling from Tonga?
- Christmas Island runs on 230V, while Tonga uses 240V. Check your charger label for a 100 to 240V rating; if it does not list 230V you will also need a voltage converter.
- Is the electrical frequency in Christmas Island the same as Tonga?
- Frequency in Christmas Island is 50Hz, the same as Tonga.