noun
average spending per customer; average customer spend
Business term used in retail, food service, and e-commerce to measure the average amount one customer spends per visit or transaction.
今月の客単価は前年比で5%上昇した。
This month's average spending per customer rose 5% year-on-year.
メニュー改定で客単価を上げたい。
We want to increase the average customer spend by revising the menu.
客数 is the number of customers; 客単価 is the average revenue per customer.
Compound of 客 (customer) and 単価 (unit price). The term is a modern business coinage.