Grammar › N4 · 06 Reasons, purposes & contrast
〜のに (for doing): used for; in order to
N4 · 06 Reasons, purposes & contrast
Says what something is used for or what is needed to do it.
Verb dictionary form + のに, followed by 使う, 便利, 必要, かかる, いい. Different from the contrasting のに ("although"). Example: この道具は切るのに使う. It focuses on use or cost.
Examples
このナイフは魚を切るのに使います。
This knife is used for cutting fish.
空港まで行くのに一時間かかります。
It takes one hour to get to the airport.