Free Customer Acquisition Cost Calculator
Calculate your customer acquisition cost — enter marketing spend and new customers.
Inputs
CAC Results
Total Customer Acquisition Cost
How it works
Enter marketing spend
Input total marketing spend for the period.
Add sales spend
Include salaries, tools, and commissions for sales.
Enter new customers
How many new customers did you acquire this period?
View your CAC
See total CAC, marketing CAC, and payback period instantly.
Common use cases
SaaS startups
Calculate CAC to understand payback period and unit economics.
E-commerce brands
Track CAC by channel to optimise ad spend allocation.
Investors & analysts
Benchmark CAC:CLV ratio for portfolio companies.
Growth teams
Monitor CAC over time to measure acquisition efficiency.
Frequently asked questions
What is CAC?
Customer Acquisition Cost is the total cost of acquiring one new customer, including all marketing and sales spend.
What is a good CAC?
SaaS companies average around $205 CAC; e-commerce around $87. More important is the CAC:CLV ratio — aim for 1:3 or better.
What is CAC payback period?
How many months of revenue it takes to recoup the CAC. Under 12 months is healthy for SaaS.
What is included in sales spend?
Sales rep salaries/commissions, CRM tools, sales enablement software, and any direct sales overhead.
Is my data stored anywhere?
No — all calculations run in your browser with no data transmitted to any server.
How do I reduce CAC?
Improve conversion rates, invest in organic channels, use referral programs, and segment to focus on high-value prospects.