Power Plugs in Japan: Do You Need an Adapter?
US plugs fit outlets in Japan without an adapter (types A, B).
Data: IEC World Plugs · checked 13.11.2026 · Data sources
Do you need an adapter
Adapter for a US plug (A/B) Not needed
| Plug | Fits outlets | Adapter |
|---|---|---|
| US plug (A/B) | A, B | not needed |
| Thin Europlug C (chargers) | none | needed |
| Grounded Schuko F | none | needed |
| UK plug (G) | none | needed |
Japan runs on 100 V, close to the US 120 V: chargers and most US devices work without a converter. East Japan uses 50 Hz, West Japan 60 Hz.
Outlet types in Japan
- Type A — two flat parallel pins, no ground. US, Canada, Japan.
- Type B — two flat pins and a round ground pin. US, Canada, Mexico.
Voltage and frequency
The voltage is 100 V at 50/60 Hz, close to the US 120 V, so US devices work without a converter.
Where to buy an adapter
A US plug needs no adapter here.
It is easiest to buy an adapter at home: a universal one is sold in electronics stores and at the departure airport. At your destination try the airport, electronics stores and supermarkets; many hotels lend adapters at reception.
How to use
- Check the answer at the top: do US plugs need an adapter.
- Match your plugs to the table: flat two-pin A, grounded B, or European C and F if you travel with them.
- Check the label on your power bricks: “100–240 V” works everywhere.
- Add an adapter to your packing list if you need one.
Power plugs in Japan: FAQ
What plugs are used in Japan?
Type A, B. The voltage is 100 V at 50/60 Hz.
Do I need a plug adapter in Japan?
US plugs fit outlets in Japan without an adapter (types A, B).
Will my phone and laptop chargers work?
Yes: phone and laptop chargers are rated 100–240 V, so you only need the right plug shape.
Which adapter should I buy?
A US plug needs no adapter here.
Where can I buy an adapter in Japan?
It is easiest to buy an adapter at home: a universal one is sold in electronics stores and at the departure airport. At your destination try the airport, electronics stores and supermarkets; many hotels lend adapters at reception.
Can I bring a power strip?
Yes: one adapter plus a small power strip lets you charge several devices. Keep power banks in your carry-on.
Where does the data come from?
Outlet types, voltage and frequency come from the IEC World Plugs reference by the International Electrotechnical Commission; the check date is on the page.
Where the data comes from
- Outlet types, voltage and frequency come from the International Electrotechnical Commission’s IEC World Plugs reference.
- Plug compatibility follows the IEC table: a flat A plug fits A and B outlets, a thin Europlug C fits C, E, F, H, J, K, L, N and O, a Schuko F fits E and F.
- Where a country has several types, we note which are common. Data checked on November 13, 2026. Older buildings and rural areas can differ; a universal adapter covers every case.
Planning a trip?
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