Cost Centre vs. Cost Unit: Key Differences & Practical Examples
Cost Centre is any department or function that incurs expenses but doesn’t directly earn revenue; Cost Unit is the measurable quantity—like per meal, per kilometre, or per widget—that carries those costs.
People swap the terms because both track spending. A café manager sees “bakery” as a Cost Centre, then quotes “per croissant” as a Cost Unit. The shift from place to product feels subtle, so the labels blur.
Key Differences
Cost Centre focuses on the who or where of spending—HR, IT, North Plant. Cost Unit focuses on the what—per litre, per hour, per package. One is organisational geography; the other is product mathematics.
Which One Should You Choose?
Use Cost Centre when budgeting or assigning blame to teams. Use Cost Unit when pricing, quoting, or comparing efficiency across products. You actually need both: centres capture total spend, units turn that spend into actionable per-item figures.
Examples and Daily Life
Hotel: Housekeeping is the Cost Centre; “per room-night” is the Cost Unit. Ride-hailing: City fleet is the Cost Centre; “per kilometre” is the Cost Unit. Gym: Reception desk is the Cost Centre; “per member visit” is the Cost Unit.
Can a single department be both?
Yes. A hospital lab (Cost Centre) can also quote “per blood test” (Cost Unit).
Do start-ups need both terms?
Absolutely. Track “Marketing” spend as a Cost Centre, then break it into “per customer acquired” to judge campaign ROI.