Last Updated
：2025/12/07
ルクス
Hiragana
るくす
Counter
Japanese Meaning
光の照度の単位。1ルクスは、1ルーメンの光束が1平方メートルの面積に均等に当たるときの照度を表す。
Easy Japanese Meaning
あかるさの大きさをあらわすときに使う、ひかりの強さの数え方
Sense（1）
lux
（ romanization ）
Quizzes for review
See correct answer
This room has a brightness of 500 lux.
See correct answer
この部屋は500ルクスの明るさがあります。
Japanese - English
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