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

Readings

Kana: カイ、はい
Romaji: kai, hai
Kana
Romaji

Meanings

ashes, puckery juice, cremate

Stroke Diagram

123456

Kanji Info

Stroke Count:  6
Radical Number:  27
Frequency:  1717
Grade:  6
Skip Pattern:  3-2-4
Korean Reading:  hoe
Chinese Reading:  hui1
Unicode:  7070
JIS:  3325

Indexes

Halpern Index: 2979
Nelson Index: 820
New Nelson Index: 3396
Spahn Hadamitzky Index: 2p4.1
Four Corner Index: 7128.9
Guide to Remembering Index: 818
Gakken Index: 1788
Japanese Names Index: 302
Daikanwanjiten Index: 18859
Daikanwanjiten Index and Page: 7.0375
Remembering the kanji Index: 168
Kanji Flashcards Index: 712
Kodansha Compact Index: 1261
Read Writing Kanji Third Index: 834
Kanji in Context Index: 874
1999 Kanji Learners Index: 1892
2013 Kanji Learners Index: 2573
French Remembering the Kanji Index: 170
Remembering the Kanji 6th Index: 180
Essential Kanji Index: 1325
Kodansha Kanji Index: 3699
Roo 2001 Kanji Index: 3362
Tuttle Kanji Cards Index: 840

Words

(はい)
ash; ashes
石灰岩 (せっかいがん)
limestone
火山灰 (かざんばい)
volcanic ash
凝灰岩 (ぎょうかいがん)
tuff
灰青色 (はいせいしょく)
grayish blue; greyish blue
灰色 (はいいろ)
grey; gray; ashen
石灰 (せっかい、いしばい)
lime; quicklime; caustic lime
石灰石 (せっかいせき)
limestone
灰皿 (はいざら)
ashtray
灰白質 (かいはくしつ)
gray matter; grey matter
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