Plugs & sockets in Thailand 🇹🇭

Thailand uses Type A, Type B, Type C, Type O sockets at 230V, 50 Hz. Check which adapter you need from your country below.

Your country

🇺🇸

Destination

🇹🇭

🇺🇸 to 🇹🇭 Thailand

No adapter needed

Type AType BType CType O

Your plugs already fit the sockets in Thailand.

Voltage: 120V to 230V

Different band. Phones, laptops and most chargers are dual-voltage (100-240V) and are fine; single-voltage devices need a converter. Check the label.

Thailand uses Type A, Type B, Type C, Type O

230V, 50 Hz (your country is 60 Hz).

A guide for travellers, not an electrical safety certification. Always check your device label for its voltage range.

The sockets used in Thailand

Type A

Two flat parallel pins. Used across North America, Central America and Japan.

Type B

Two flat pins plus a round earth pin. Common in North America and Japan.

Type C

Two round pins, the European “Europlug”. Fits most round-pin sockets across Europe, South America and Asia.

Type O

Three round pins. Used only in Thailand.

Voltage

230V

Frequency

50 Hz

Who needs an adapter for Thailand?

🇺🇸 From United States

No adapter needed

Voltage differs (120V to 230V); dual-voltage devices are fine.

🇬🇧 From United Kingdom

Adapter needed (Type A / B / C / O)

Voltage compatible.

🇩🇪 From Germany

No adapter needed

Voltage compatible.

🇦🇺 From Australia

Adapter needed (Type A / B / C / O)

Voltage compatible.

Thailand plug FAQ

What plug do they use in Thailand?

Thailand uses Type A, Type B, Type C, Type O power sockets, running on 230V at 50 Hz.

Do I need a travel adapter for Thailand?

It depends where you are from. United States: no adapter needed. United Kingdom: yes, a Type A/B/C/O adapter. Germany: no adapter needed. Australia: yes, a Type A/B/C/O adapter.

Do I need a voltage converter in Thailand?

Thailand runs on 230V. Phones, laptops and most chargers are dual-voltage (100-240V) and only need a plug adapter. Single-voltage devices may need a converter, so check the label.

Last reviewed 2026-06-03. A traveller guide, not an electrical safety certification; always check your device label. Sources: IEC World Plugs, worldstandards.eu plug & socket guide.