Plugs & sockets in Japan 🇯🇵

Japan uses Type A, Type B sockets at 100V, 50 Hz. Check which adapter you need from your country below.

Your country

🇺🇸

Destination

🇯🇵

🇺🇸 to 🇯🇵 Japan

No adapter needed

Type AType B

Your plugs already fit the sockets in Japan.

Voltage: 120V to 100V

Same voltage band, so your devices will work normally.

Japan uses Type A, Type B

100V, 50 Hz (your country is 60 Hz).

50 Hz in eastern Japan (Tokyo), 60 Hz in the west (Osaka).

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

The sockets used in Japan

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.

Voltage

100V

Frequency

50 Hz

50 Hz in eastern Japan (Tokyo), 60 Hz in the west (Osaka).

Who needs an adapter for Japan?

🇺🇸 From United States

No adapter needed

Voltage compatible.

🇬🇧 From United Kingdom

Adapter needed (Type A / B)

Voltage differs (230V to 100V); dual-voltage devices are fine.

🇩🇪 From Germany

Adapter needed (Type A / B)

Voltage differs (230V to 100V); dual-voltage devices are fine.

🇦🇺 From Australia

Adapter needed (Type A / B)

Voltage differs (230V to 100V); dual-voltage devices are fine.

Japan plug FAQ

What plug do they use in Japan?

Japan uses Type A, Type B power sockets, running on 100V at 50 Hz.

Do I need a travel adapter for Japan?

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

Do I need a voltage converter in Japan?

Japan runs on 100V. 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.