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(ねだん)や費用(ひよう)を尋(たず)ねる疑問詞(ぎもんし)です。英語(えいご)の「how much」にあたり、「これはいくらですか？」のように、買(か)い物(もの)で価格(かかく)を問(と)う際(さい)に使(つか)われます。