Daily life
Postal code lookup, Japanese addresses in English, and tatami, tsubo and square metre conversion.
Tools
- Japan postal code lookup and address in English
Find the address for a Japanese postal code, or the postal code for part of an address, with its reading and English form. Uses Japan Post’s monthly postal code data. No sign-up.
- Tatami, tsubo and square metre converter
Convert jō (tatami mats), tsubo and square metres. Mat sizes for Kyōma, Rokuichima, Chūkyōma, Edoma and Danchima, plus the 1.62 m²-per-jō minimum used in Japanese property ads. With quick-reference tables.