計 measure

言 (say) + 十 (ten)

★★★★☆

9 strokes

Onyomi

KEI	it's OKAYYY to measure your pubic hair.

Mnemonic

Measure SATAN!!!!! (say + ten) He's just huge, dude!!

Kunyomi

( xxx ) けい	suffix meaning, the total xxx. Total hours, total pounds, total hogs-heads, etc. SUFFIX ★☆☆☆☆
はか*る	measure temprature, height, depth. If you're measuring a chair or your mom's stretch marks, use this one. ★☆☆☆☆

Jukugo

時計(とけい)	watch or clock ★★★★★ FP 時 (time) + 計 (measure) = 時計 (watch or clock )
合計(ごうけい)	total ★★★☆☆ 合 (to suit) + 計 (measure) = 合計 (total)
計画(けいかく)	plan ★★★☆☆ FP 計 (measure) + 画 (a drawing) = 計画 (plan) Pretty close to 予定　（よてい） in meaning, but perhaps more elaborate - you'd use 計画 to say "I have a plan to get rich!" or to say "I planned out our whole vacation to 3 countries." . . but you wouldn't use 予定。
余計(よけい) な	uncalled-for ★★★☆☆ 余 (excess) + 計 (measure) = 余計 (uncalled-for) excessive, uncalled-for, and unnecessary (usually used in the context of 余計なお世話だよ！　（よけいなおせわだよ！）: 'Mind your own business!')
計算(けいさん) する	to calculate ★★☆☆☆ 計 (measure) + 算 (calculate) = 計算 (to calculate)

Synonyms

measure
計る測る量る

meddle
余計なお世話だよ！干渉

plan
予定計画案企画策

remaining surplus
残り余り余計過剰