Power
Do you need a plug adapter from Hong Kong SAR China to Japan?
Adapter needed
Yes — you need a plug adapter from Hong Kong SAR China to Japan. Japan uses Type A/B sockets that Hong Kong SAR China plugs do not fit.
Hong Kong SAR China to Japan
Hong Kong SAR China → Japan
- Hong Kong SAR China plugs
- G D M
- Japan sockets
- A B
- Adapter
- Required
- Voltage
- 220V → 100V
Socket types in Japan
| Type A | Two flat parallel pins (ungrounded). Common across North America and Japan. |
|---|---|
| Type B | Two flat pins plus a round grounding pin. The grounded North American plug. |
Japan runs at 100V, lower than Hong Kong SAR China’s 220V. Dual-voltage chargers are fine; single-voltage high-draw devices may underperform.
Common questions
Do I need a plug adapter from Hong Kong SAR China to Japan?
Yes. Japan uses Type A/B sockets, which Hong Kong SAR China plugs do not fit, so pack a suitable adapter.
Will my devices work on Japan’s voltage?
Japan runs at 100V, 50/60Hz. Dual-voltage chargers (most phones and laptops) are fine; single-voltage devices may need a converter.