量（りょう、ryou）
- quantity

The Japanese word 量 (りょう) primarily means "quantity," "amount," or "volume." It refers to how much of something there is, whether it's a measurable substance like liquid or a countable number of items. It can also refer to the degree or extent of something. It can relate to a wide range of things, from physical items to abstract concepts. The specific meaning can change depending on the context.

⚫︎ 水の量 Translation: The amount of water ⚫︎ データの量 Translation: The amount of data ⚫︎ 仕事の量 Translation: The workload / amount of work

You use 量 when you want to talk about how much of something there is. It's frequently used with counters and other words related to measurement. It is common to see it after a noun to specify the amount. It can be used in both formal and informal situations.

⚫︎ 量 is written with the kanji 量. ⚫︎ The reading in hiragana is りょう. ⚫︎ There are no other common ways to write this word. ⚫︎ The okurigana (hiragana attached to the kanji) doesn't change.

⚫︎ 数 (かず) - number, amount (used for countable items) ⚫︎ 分量 (ぶんりょう) - amount, portion (often used for food or ingredients) ⚫︎ 程度 (ていど) - degree, extent ⚫︎ ボリューム (ぼりゅーむ) - volume (borrowed from English, often used for sound or data)

⚫︎ 少なさ (すくなさ) - smallness, lack (opposite of 量) ⚫︎ 不足 (ふそく) - insufficiency, shortage ⚫︎ わずか (わずか) - a little, a few (as an adjective)

この箱にはどれくらいの量のお菓子が入っていますか？ ・Translation: How much candy is in this box? ・Explanation: This sentence uses 量 to ask about the amount of candy.

彼は大量の宿題をこなした。 ・Translation: He completed a large amount of homework. ・Explanation: This sentence uses 量 to describe a large amount of homework.

The kanji 量 is a combination of two parts: ⚫︎ The top part signifies a container or vessel. ⚫︎ The bottom part signifies “rice” or "grain". Together, these suggest measuring a quantity, particularly of agricultural products. The word itself evolved to signify “to measure”, "capacity", or “amount”.