How to use this Amazon CAC Calculator
Enter your marketplace assumptions and review the result before changing price, discounts, advertising, shipping, or inventory decisions.
Formula
CAC should be compared against first-order profit and lifetime value. A high CAC can still work if repeat purchases are strong.
What this calculator includes
- Combines PPC spend, promotion cost, and external traffic cost.
- Calculates CAC and payback orders using first-order profit.
- Benchmarks CAC as efficient, manageable, or high based on payback.
FAQ
What does this calculator estimate?
Calculate Amazon customer acquisition cost from PPC spend, promotional spend, and new customers or first-time buyers.
What formula does it use?
CAC = Total Acquisition Spend ÷ New Customers
Is this an official marketplace fee quote?
No. This calculator uses your inputs for planning. Actual Amazon, Shopify, payment, shipping, and tax rules can vary by market, category, plan, and time.
What should I check next?
Review profit, fees, shipping, conversion, inventory, returns, and repeat purchasing together before changing price or spend.