[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"glossary-cac::en":3,"gloss-cluster-cac::en":20,"gloss-next-cac::en":9},{"slug":4,"category":5,"name":6,"definition":7,"meta_desc":8,"faq":9,"schema_markup":9,"related":10},"cac","saas","Customer Acquisition Cost (CAC)","Customer Acquisition Cost (CAC) is the fully-loaded cost of acquiring a single new paying customer, calculated as total sales and marketing spend (ad spend, content production, SDR\u002FAE salaries, marketing tools, event costs) over a given period, divided by the number of new customers won in that same period. The formula: CAC = Total S\\&M Spend \u002F New Customers Acquired. If a company spends $50,000 on sales and marketing in a quarter and acquires 100 new customers, CAC = $500. Getting CAC right requires including the full cost stack, not just ad spend — a common mistake is undercounting by excluding salaries, tooling (CRM, ad platforms), and content production costs, which inflates the apparent efficiency of the growth engine. CAC should always be tracked per channel (organic\u002FSEO CAC is often near-zero in dollar terms but has real content-production cost; paid search CAC is highly measurable via ad platform data; outbound sales CAC includes SDR\u002FAE fully-loaded compensation) because blending all channels into one number hides which growth lever is actually efficient. CAC is meaningless without its counterpart, LTV — the entire discipline of SaaS growth is spending on acquisition only up to the point where LTV\\:CAC and payback period stay healthy, then reinvesting profits into scaling the channels with the best ratios. Payback period (CAC ÷ monthly gross margin per customer) is often a more actionable operating metric than the ratio alone, since it tells a finance team exactly how many months of cash flow are tied up before a customer becomes profitable. Concrete worked example: a self-serve SaaS spends $8,000\u002Fmonth on Google Ads and content freelancers combined, generating 200 new paying customers that month — CAC = $40. A separate enterprise sales motion, with two AEs at a fully-loaded $15,000\u002Fmonth cost each plus $5,000 in outbound tooling, closes 5 enterprise deals that month — CAC = $35,000 \u002F 5 = $7,000. Both channels can be healthy simultaneously if each customer's LTV clears roughly 3x its channel-specific CAC — the self-serve customers just need to be worth $120+ in lifetime value, while the enterprise customers need to be worth $21,000+, which their much higher ACV easily supports. Blended CAC (all channels averaged together) is the number most often quoted casually, but it's the least useful for actual decision-making — a rising blended CAC could mean every channel is getting less efficient, or simply that the company is intentionally shifting more spend into a pricier-but-higher-LTV channel like outbound enterprise sales, two very different situations a single blended number can't distinguish without the channel-level breakdown.","CAC is the total sales and marketing cost divided by the number of new customers acquired in a given period — the price of winning one customer.",null,[11,14,17],{"slug":12,"name":13},"funnel","Funnel",{"slug":15,"name":16},"ltv","Customer Lifetime Value (LTV)",{"slug":18,"name":19},"mrr","Monthly Recurring Revenue (MRR)",[21,25,29,32,35,38,41,45,48,51,54,57],{"slug":22,"category":5,"name":23,"updated_at":24},"activation","Activation","2026-08-24T02:46:36+00:00",{"slug":26,"category":5,"name":27,"updated_at":28},"aha-moment","Aha Moment","2026-08-24T02:46:37+00:00",{"slug":30,"category":5,"name":31,"updated_at":28},"annual-contract-value","Annual Contract Value (ACV)",{"slug":33,"category":5,"name":34,"updated_at":24},"api-first","API-First",{"slug":36,"category":5,"name":37,"updated_at":24},"arpa","Average Revenue Per Account (ARPA)",{"slug":39,"category":5,"name":40,"updated_at":24},"arr","Annual Recurring Revenue (ARR)",{"slug":42,"category":5,"name":43,"updated_at":44},"auto-renewal-clause","Auto-Renewal Clause","2026-08-24T02:46:38+00:00",{"slug":46,"category":5,"name":47,"updated_at":44},"build-vs-buy","Build vs. Buy",{"slug":49,"category":5,"name":50,"updated_at":28},"burn-multiple","Burn Multiple",{"slug":52,"category":5,"name":53,"updated_at":44},"burn-rate","Burn Rate",{"slug":55,"category":5,"name":56,"updated_at":24},"cdn","Content Delivery Network (CDN)",{"slug":58,"category":5,"name":59,"updated_at":24},"churn","Churn"]