🇯🇵 What plug does Japan use?
Type A/B sockets at 100V, 50/60Hz. Japan uses Type A plugs (same shape as the US) but runs at 100V, plus a 50Hz/60Hz split between eastern and western regions. Most US chargers work without an adapter or converter, since the lower voltage isn't a problem for modern electronics.| Travelling from | Adapter needed? | Voltage |
|---|---|---|
| The US | No | voltage is compatible — most modern electronics handle it fine |
| The UK | Yes | voltage differs — check your device for 100–240V dual-voltage support before assuming you can skip a converter |
| Canada | No | voltage is compatible — most modern electronics handle it fine |
| Australia | Yes | voltage differs — check your device for 100–240V dual-voltage support before assuming you can skip a converter |
| Continental Europe | Yes | voltage differs — check your device for 100–240V dual-voltage support before assuming you can skip a converter |
Japan's plugs (Type A) are nearly identical in shape to the US standard, so many American travelers don't need a shape adapter at all. The genuine quirk is frequency — Japan runs 50Hz in the east (including Tokyo) and 60Hz in the west (including Osaka), a split that exists within the country itself, not just between Japan and abroad.
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Quick facts
- Plug: Type A/B
- Voltage: 100V
- Frequency: 50/60Hz
What if I forget my adapter?
Adapters are widely sold at Japan airports, electronics shops, and convenience stores near hotels and tourist areas — usually at a small markup over what you'd pay at home. If you're stuck, ask at your hotel front desk; many keep a few spares to lend.
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This article is general travel information, not electrical advice. Always read device labels and consult the manufacturer for medical or high-wattage equipment. Data is aligned with the IEC World Plugs reference.