About the Customer Profitability Calculator
Profit per customer after acquisition, service and product costs — find your most and least profitable customers.
Also known as: profit per customer, customer margin.
How to use this calculator
- Enter annual revenue from customer, cost of goods / delivery, service & support cost, acquisition cost.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Profit = revenue − costs − acquisition
Worked example
Using the values pre-filled in the calculator above:
- Annual revenue from customer = 1,800
- Cost of goods / delivery = 700
- Service & support cost = 250
- Acquisition cost = 400
the calculator returns:
- First-year profit: 450
- Ongoing annual profit: 850
- First-year margin: 25%