Japan is one of the easiest countries in the world to travel through, but it does have its own quirks when it comes to packing: different plug voltage, a strong cash culture in places, and etiquette expectations that shape what you should bring. Here’s what to pack for a smooth trip.
A Type A Plug Adapter
Japan uses the same two-flat-pin Type A plug as North America, but runs at 100V instead of 120V. Most modern electronics handle this fine, but if you’re coming from a country with a different plug shape (most of Europe, the UK, Australia), you’ll need a Type A adapter.
A Portable Wi-Fi Router or eSIM
Free public Wi-Fi is inconsistent outside major train stations. A pocket Wi-Fi rental (picked up at the airport) or a Japan-compatible eSIM installed before you land keeps navigation apps, train schedules, and translation tools working from the moment you arrive.
A Coin Purse
Japan is still heavily cash-based outside big cities, and the coin denominations (including 500-yen and 100-yen coins) add up fast. A small coin purse keeps change organized instead of jingling loose in your pocket or bag.
Comfortable Slip-On Shoes
You’ll remove your shoes constantly: entering temples, traditional restaurants, some accommodations, and fitting rooms. Shoes that slip on and off easily save time and hassle over ones with laces, and clean, presentable socks matter since you’ll often be walking around in just them.
A Compact Umbrella
Rain is common, especially during the June-July rainy season (tsuyu). A compact umbrella that fits in a daypack is more practical than a rain jacket for the sudden showers Japan sees through much of the year.
A Small Trash Bag
Public trash cans are surprisingly rare in Japan. Locals typically carry their trash until they find a bin, often at a convenience store. A small ziplock or foldable bag saves you from carrying loose wrappers in your pocket.
A Portable Power Bank
Between navigation, translation apps, and IC card top-ups on your phone, battery drains quickly on a full sightseeing day. A power bank in the 10,000mAh+ range keeps you covered, especially on long shinkansen (bullet train) days.
Modest, Layerable Clothing
Japan’s dress norms lean modest and neat, even in casual settings. Pack layers you can adjust through the day, since indoor spaces are often heavily air-conditioned or heated relative to the outside temperature.
Final Thoughts on pack for a trip to Japan
Japan rewards travelers who plan ahead on the small logistics: connectivity, cash, and footwear. Get those right and the rest of the trip runs about as smoothly as the trains do.