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Things worth knowing before you go.
Quick facts to keep in your back pocket — currency, language, the time difference, which side of the road they drive on.
Are your devices safe? Run the check.
Tonga runs at 240V / 50Hz. Find out which of your devices plug in safely and which need a converter — before you pack.
Every plug type, in one place. All 15.
Type A through Type O — what they look like, where they're used, which countries share them. The full reference our visitors come back to most.
Everything we'd actually pack.
Curated Amazon lists, organized by what you actually need at each phase of the trip — from packing the suitcase to landing in a new country.
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The plug used in Tonga.
Most Pacific Island nations follow either the Type I system like Tonga or maintain older British standards with Type G plugs. Tonga's electrical grid is relatively reliable in urban areas like Nuku'alofa, though outer islands may experience more frequent outages and voltage fluctuations.
Full Type I guide →Other places that use Type I.
What type of power plug is used in Tonga?+
Tonga uses Type I power plugs and electrical outlets. The standard voltage is 240V with a frequency of 50Hz.
Do I need a travel adapter for Tonga?+
Yes, travelers from the United States, Canada, Mexico, and other countries using Type A/B plugs will need a travel adapter for Tonga. The Type I outlets are not compatible with American flat-blade plugs.
Do I need a voltage converter for Tonga?+
Tonga uses 240V. Dual-voltage electronics (smartphones, laptops, cameras) labeled "100-240V" work fine with just a plug adapter. Single-voltage appliances from a different voltage zone (hair dryers, curling irons, kettles) must NOT be plugged in directly — they can be damaged or dangerous. Check every device label before plugging in.
Can I charge my iPhone or Android phone in Tonga?+
Yes. All modern smartphone chargers (including iPhone and Android USB chargers) are dual-voltage (100-240V) and work in Tonga. You only need a plug adapter to fit the Type I outlets.
Can I use my laptop charger in Tonga?+
Yes. Laptop chargers from Apple, Dell, HP, Lenovo, and other major brands are universal (100-240V). You only need a Type I plug adapter for Tonga.
What is the emergency phone number in Tonga?+
The emergency phone number in Tonga is 911. Save this number in your phone before your trip.