Definition
Customer acquisition cost is total marketing spend divided by new customers won.
Category: Commerce · Updated 1 Oct 2026 · BLITZ Campaign editorial
How do you calculate CAC?
CAC = total acquisition spend (media, fees, tools) ÷ new customers in the period. Use new customers only, not all orders.
What is a good CAC?
One your first-order margin or 90-day customer value can pay back. Calculate break-even CAC before you set targets.