リットルrittoru

1. nounlitre; literalso written as 立
   ガソリンはリットル単位たんいで売うられる。↗

   Gasoline is sold by the liter.

• SynonymリッターNeutralA loanword for the same unit, heard in casual talk about drinks, fuel and other volumes, as in 「2リッター」; formal writing generally uses 「リットル」.
• SynonymＬエルNeutralCommon uppercase symbol for the litre, also read as the letter 「エル」; often seen on drink packaging, e.g. 「1.5L」.
• SynonymlWrittenLowercase symbol for the litre, read 「リットル」; uppercase 「L」 is more common today, as lowercase 「l」 is easily confused with the numeral 1.
• SynonymLWrittenUppercase unit symbol for litres, used to label capacity and read 「リットル」; equivalent to the full-width 「Ｌ」.
• Related立方デシメートルWrittenThe formal unit name, equal in volume to 「1リットル」; found mostly in science textbooks and not used in daily life.

The litre is 「リットル」 in both speech and writing, with the symbols 「L」 and 「l」; casual talk also uses 「リッター」, e.g. for drinks or fuel. Uppercase 「L」 is the usual symbol, since 「l」 is easily taken for 1. 「立方デシメートル」 shows up mainly in science textbooks.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 液体えきたいなどの体積たいせきを表あらわす単位たんい。1辺へんが10センチメートルの立方体りっぽうたいの体積たいせきとほぼ同おなじ。