Business decision tool
Customer Acquisition Cost Calculator
Calculate acquisition cost per new customer from sales and marketing spending.
Inputs and results stay in this browser. Currency symbols are illustrative; use any consistent currency.
Question → business model → calculation → decision
What business question does this answer?
Calculate acquisition cost per new customer from sales and marketing spending.
Why does the model apply?
CAC connects acquisition spending to the customers gained in the same cohort or period. Include the relevant labour, software, agency and media costs for a meaningful comparison.
Formula
CAC = Sales and marketing acquisition cost ÷ new customers acquired
How should I interpret the result?
Read the result together with its units and time period. Change one assumption at a time to see which input drives the decision.
What are the limits?
This simplified model cannot capture every tax, accounting, legal, market or operational condition. Verify material decisions against current company records and professional guidance.
Clear answers
Frequently asked questions
What does the Customer acquisition cost do?
Calculate acquisition cost per new customer from sales and marketing spending.
How does the Customer acquisition cost work?
The calculator applies CAC = Sales and marketing acquisition cost ÷ new customers acquired. CAC connects acquisition spending to the customers gained in the same cohort or period. Include the relevant labour, software, agency and media costs for a meaningful comparison.
What can I learn from the Customer acquisition cost?
It connects company inputs to a transparent business result. Change one value at a time to compare operating scenarios.
Does MW SysArc receive or store what I enter?
No. The calculation runs locally in your browser. MW SysArc does not receive or store your calculation inputs.
How should I use the result?
Use the result as an estimate or educational aid. Check important financial, business or policy decisions with qualified sources and current data.
Last reviewed 2026-07-14. Calculations tested 2026-07-14.