Free Customer Acquisition Cost Calculator
Calculate your CAC, LTV:CAC ratio, and payback period in seconds. Split sales-led outbound spend from marketing spend to see what an SDR programme really costs per customer, compare against B2B benchmarks, and get recommendations to improve acquisition efficiency.
Instant CAC Analysis
Calculate blended and channel-level CAC with marketing vs sales breakdown
Benchmark Comparison
See how your CAC and LTV:CAC ratio compare to B2B SaaS industry standards
Actionable Insights
Get tailored recommendations to reduce CAC and improve your growth efficiency
How it works
Understanding Customer Acquisition Cost
Master the metrics that drive sustainable B2B growth
What is CAC and why does it matter?
Customer Acquisition Cost (CAC) is the total cost your business incurs to acquire a new paying customer. It includes all marketing expenses (advertising, content, events, tools) and sales expenses (salaries, commissions, enablement tools) divided by the number of new customers acquired in a given period. CAC is one of the most critical metrics for B2B SaaS companies because it directly determines whether your growth model is sustainable. A business that spends more to acquire customers than those customers generate in revenue will eventually run out of capital.
The CAC formula
Blended CAC = (Total Marketing Spend + Total Sales Spend) / Number of New Customers
Marketing CAC = Total Marketing Spend / Number of New Customers
Sales CAC = Total Sales Spend / Number of New Customers
LTV:CAC Ratio = Customer Lifetime Value / Customer Acquisition Cost
CAC Payback Period = CAC / Average Monthly Revenue per Customer
How to reduce CAC
- -Measure outbound by the meeting: a dedicated SDR programme with a known monthly cost makes cost per qualified meeting and per opportunity easy to track
- -Improve conversion rates at every funnel stage through better messaging, qualification, and sales enablement
- -Tighten your ICP to focus spend on prospects most likely to convert and retain
- -Launch referral and advocacy programmes to leverage your existing customer base for low-cost acquisition
- -Shorten the sales cycle with faster follow-up and proof points like case studies
CAC benchmarks by segment
Frequently Asked Questions
Everything you need to know about customer acquisition cost
What is Customer Acquisition Cost (CAC)?
Customer Acquisition Cost is the total cost of acquiring a new paying customer. It is calculated by dividing your combined sales and marketing spend by the number of new customers acquired over the same period. For example, if you spend $130,000 on sales and marketing in Q1 and acquire 25 new customers, your CAC is $5,200. Understanding your CAC is essential for building a sustainable outbound programme.
What is a good CAC for B2B SaaS?
A good CAC for B2B SaaS depends on your average contract value and customer segment. SMB-focused companies typically see CAC of $200-$800, mid-market $800-$3,000, and enterprise $5,000-$20,000+. The absolute number matters less than the LTV:CAC ratio -- aim for at least 3:1 to ensure sustainable growth. Our B2B outsourced SDR pricing guide provides additional context on acquisition investment levels.
What is the difference between CAC and CPA?
CAC (Customer Acquisition Cost) measures the full cost to acquire a paying customer, encompassing all sales and marketing expenses. CPA (Cost Per Acquisition) typically refers to the cost of a specific conversion event, such as a lead form submission, trial sign-up, or demo request. CAC is a more comprehensive and strategic metric because it captures the entire journey from awareness to closed revenue, including sales team costs that CPA ignores.
How can I reduce my CAC?
The most effective ways to reduce CAC include: measuring every channel on cost per qualified meeting and cost per opportunity (our cost per meeting calculator helps); improving conversion rates through better qualification on the first call; tightening your ideal customer profile to eliminate wasted spend; building referral and advocacy programmes; and shortening your sales cycle with faster follow-up. An efficient outbound sales system can also significantly reduce per-customer acquisition costs.
What is the LTV:CAC ratio and why does it matter?
The LTV:CAC ratio compares how much revenue a customer generates over their lifetime to how much it cost to acquire them. A ratio of 3:1 is the widely accepted minimum for healthy B2B SaaS businesses. Below 1:1 means you are losing money on every customer acquired. Between 1:1 and 3:1 signals that your unit economics need improvement. Above 5:1 may indicate you are under-investing in growth and could scale acquisition spend to capture more market share.
What is CAC payback period?
CAC payback period is the number of months it takes to recover the cost of acquiring a customer through their revenue. It is calculated by dividing your CAC by the average monthly revenue per customer. For B2B SaaS, a payback period under 12 months is considered good, and under 6 months is excellent. Shorter payback periods reduce cash flow pressure and allow you to reinvest in growth more quickly.
What is the difference between blended and channel-specific CAC?
Blended CAC averages all your acquisition costs across every channel, campaign, and segment. Channel-specific CAC isolates the cost per individual channel -- for example, your outbound SDR CAC compared with paid search or event CAC. Both metrics are important: blended CAC shows overall business health, while channel-specific CAC reveals which channels deliver the best return and where you should increase or decrease investment.
How does CAC vary by industry?
CAC varies dramatically by industry due to differences in deal size, sales complexity, and competition. B2B SaaS typically ranges $200-$2,000 for SMB and $5,000-$20,000+ for enterprise. Financial services averages $500-$1,500. E-commerce sees $50-$200. Professional services ranges $1,000-$5,000. The important comparison is not your CAC against other industries, but your CAC against your own customer lifetime value. Use our SDR ROI calculator to analyse your sales development costs in more detail.
Related Resources
Tools and guides for pricing outbound sales development
Outsourced SDR Cost in Australia
Real AUD pricing and ROI for outsourced cold calling and SDR programmes.
Read Guide →Best Outsourced SDR Companies
Compare outsourced SDR providers on model, pricing and how much of the work is done on the phone.
Read Guide →Outsourced SDR Service
Australian-based SDRs cold calling your ICP, at a predictable monthly cost per programme.
Explore Service →Cost per Meeting Calculator
Compare the cost per qualified meeting of an in-house SDR against outsourced cold calling.
Use Calculator →SDR ROI Calculator
Compare in-house vs outsourced SDR team costs and calculate the return on your sales development investment.
Use Calculator →Get a Custom CAC Analysis
Schedule a consultation for personalised CAC benchmarking and recommendations for your specific business.
Book Call →Ready to Put a Predictable Cost on Outbound?
UpliftSales runs phone-only cold calling programmes for B2B technology companies. Australian-based SDRs, a known monthly cost, and first meetings typically in weeks 2-3.