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? Can I bring my e cigarette and vape liquid? I would like to know about tourism statistics and marketing data published by JNTO.