〜につき

Meaning

につき has two main uses: (1) to express a rate or ratio, meaning 'per' or 'for every'; (2) to indicate a reason or cause, meaning 'due to' or 'because of.' The pattern connects two nouns with につき to show the relationship between quantity and unit, or to explain why something is restricted or occurring.

Formation

Examples

1. 駐輪代は1ヶ月につき3000円かかる。
   A bicycle parking fee costs 3,000 yen per month.

2. 1人につき200円の会費
   A membership fee of 200 yen per person.

3. 工事中につき駐車はご遠慮願います。
   Due to construction, please refrain from parking here.

4. この病院で入院する際、個室を希望される場合は、1日につき10000円の追加料金が掛かります。
   At this hospital, if you prefer a private room during hospitalization, an additional charge of 10,000 yen per day will be applied.

5. 誠に勝手ながら、4月1日から4月7日まで社員研修につき、休業とさせていただきます。
   We sincerely apologize, but we will be closed from April 1st to April 7th due to employee training.

6. 授業中につき、このコンピュータールームへの入室は禁止です。
   Entry to this computer room is prohibited during class time.

Summary

• Use につき to indicate 'per' or 'for every' when expressing rates, prices, or quantities per unit
• Use につき to express 'due to' or 'because of' when explaining a reason or cause for a situation
• In formal contexts, につき often appears in notices, announcements, and official statements