This site will be taken down March 31st, 2026.

This was not an easy decision to make. For the last couple years, I have been struggling to find motivation for this site and to keep up with basic maintenance and security updates. With the rise of AI and more sophisticated tools, the usefulness of sites like this is questionable and traffic has nose-dived. I just don't have it in me to keep doing this. Thank you all for 10 years of support!

Zach

Word

つぼ
unit of land measurement; 3.95 square yards; 3.31 square meters
Word

一坪運動

ひとつぼうんどう
campaign to prevent a public construction work by acquiring a minuscule tract of land
Word

立坪

立て坪
りゅうつぼ、たてつぼ
cubic tsubo (approx. 6 cubic metres)
Word

米坪

べいつぼ
paper weight in gsm
Word

坪量

つぼりょう
paper weight in grams per square metre
Word

坪当たり

つぼあたり
per tsubo (area)
Word

坪数

つぼすう
floor space; area (in tsubo)
Word

メートル坪量

メートルつぼりょう
paper weight in gsm
Word

地坪

じつぼ
ground or land area
Word

建蔽率

建ぺい率、建坪率
けんぺいりつ
building-to-land ratio; building coverage ratio; land coverage; site coverage