Denshi Jisho — Online Japanese dictionary

Found information for these kanji:

9 strokes
Taught in grade 2
200 of 2500 most used kanji in newspapers
Radical: 水 (KanXi: 85)
Parts:

Readings

Japanese kun: うみ
Japanese on: カイ
Japanese names: あ、 あま、 うな、 うん、 え、 、 た、 ひろ、 ひろし、 、 まち、 まま、 み、 、 わたる
Chinese: hai3
Korean: hae

English meanings

ocean;
sea;

Spanish meanings

mar;
océano;
playa;

Portuguese meanings

mar;
oceano;

French meanings

mer;
océan;

Stroke order

Dictionary indices

55A Guide To Reading and Writing Japanese
94A Guide To Reading and Writing Japanese 3rd ed.
88A Guide To Remembering Japanese Characters
158A New Dictionary of Kanji Usage
2553Classic Nelson
17450Daikanwa Jiten (Morohashi) (Volume 6, page 1138)
99Essential Kanji
3.14Japanese for Busy People
211Japanese Kanji Flashcards
1071Japanese Names
117Kanji and Kana
454Kanji in Context
284Kanji Learners Dictionary
1184Kodansha Compact Kanji Guide
471Les Kanjis dans la tete
384New Japanese English Character Dictionary
3133New Nelson
461Remembering The Kanji
206The Kanji Way to Japanese Language Power
171Tuttle Kanji Cards

Classifications

3472001 Kanji
3815.7Four corner code
3a6.20The Kanji Dictionary
1-3-6SKIP code

Codepoints

19-4JIS X 0208-1997 kuten code
6d77Unicode hex code

6 strokes
Jouyou kanji taught in junior high school
2418 of 2500 most used kanji in newspapers
Radical: 艸 (KanXi: 140)
Parts:

Readings

Japanese kun: いも
Japanese on:
Chinese: yu4
Korean: hu, u

English meanings

potato;

Spanish meanings

batata;
patata;

Portuguese meanings

batata;

French meanings

pomme de terre;

Stroke order

Dictionary indices

1011A Guide To Remembering Japanese Characters
2001A New Dictionary of Kanji Usage
3896Classic Nelson
30670PDaikanwa Jiten (Morohashi) (Volume 9, page 521)
1682Essential Kanji
1694Japanese Kanji Flashcards
288Japanese Names
1909Kanji and Kana
1834Kanji in Context
1381Kanji Learners Dictionary
639Kodansha Compact Kanji Guide
1670Les Kanjis dans la tete
2181New Japanese English Character Dictionary
4964New Nelson
1655Remembering The Kanji
1088Tuttle Kanji Cards

Classifications

19472001 Kanji
4440.1Four corner code
3k3.1The Kanji Dictionary
2-3-3SKIP code

Codepoints

16-82JIS X 0208-1997 kuten code
828bUnicode hex code