Do I need a voltage converter for my electric appliances in Japan? In Japan the standard voltage is 100 V and the standard frequency is 50 / 60 Hz. Please see the page below for details: Electricity in Japan Related articles I would like to hire a personal guide. Do you have any recommendations for first-time visitors to Japan? How do I send luggage within Japan? Are there restrictions on bringing my medications to Japan? Where can I purchase the JAPAN RAIL PASS in Japan?