便利 vs 役に立つ
Japanese word comparison
Listen to 便利
Listen to 役に立つ
| 便利 | 役に立つ |
|---|---|
BEN-ri adjective (na-adjective) | やくにたつ adjective (na-adjective) |
| convenient; useful; handy | useful; helpful |
How they differ
便利 often implies something makes tasks easier or saves time, while 役に立つ emphasizes that something provides help or practical benefit toward accomplishing a purpose; 役に立つ is commonly used for information, advice, skills, or actions that are helpful.
When to use each
When to use 便利: Prefer 便利 when you want to stress handiness, convenience, or how something simplifies life or tasks.
When to use 役に立つ: Prefer 役に立つ when you want to highlight that something is helpful or provides practical benefit in achieving a goal.
Side-by-side examples
- スマートフォンは便利だ。
(Smartphones are convenient.) - そのアドバイスはとても役に立った。
(That advice was very helpful.)
Register & nuance: Both are neutral; 役に立つ is widely used in spoken and written Japanese and often sounds slightly more focused on objective usefulness.