1Quantity; amount; volume or portion — the measure of how much of something there is.
料理の量が多すぎて食べきれなかった。
The portion was too large and I couldn't finish it.
データの量が増えたので、保存方法を見直す必要がある。
The amount of data increased, so we need to review the storage method.
このペットボトルに入っている飲み物の量は500ミリリットルだ。
The amount of drink in this plastic bottle is 500 milliliters.
薬の量は医師の指示に従ってください。
Please follow the doctor's instructions for the dosage.
2A literary sense meaning generosity, magnanimity, or breadth of character, as in 度量. Rarely used as a standalone word in modern Japanese — this meaning almost always appears within the compound 度量 rather than the bare kanji alone.
3In Indian philosophy, a technical term (pramāṇa) meaning a means by which one obtains accurate and valid knowledge.
仏教学の文献では、量（プラマーナ）について詳しく論じられている。
In Buddhist writings, pramāṇa (means of knowledge) is discussed in detail.