いくら (ikura) is an interrogative adverb primarily used to ask about the price or cost of something. It means 'how much,' 'how much money,' or 'how much is it' in English. This is a fundamental word for shopping and making purchases, such as 'How much is this?' (これはいくらですか？).

「いくら」は値段や費用を尋ねる疑問詞です。英語の「how much」にあたり、「これはいくらですか？」のように、買い物で価格を問う際に使われます。