CAC vs Conversion Rate Optimization
What is the difference between CAC and Conversion Rate Optimization? Side-by-side definitions, formulas, and benchmarks for two of the most-watched SaaS metrics.
Definitions
What is CAC?
CAC is customer acquisition cost, the sales and marketing investment required to acquire customers.
What is Conversion Rate Optimization?
Conversion Rate Optimization is the discipline of improving the percentage of visitors, leads, trials, or demos that move to the next step in the funnel.
CAC vs Conversion Rate Optimization at a Glance
| CAC | Conversion Rate Optimization | |
|---|---|---|
| Category | Metrics | Metrics |
| Formula | Overall CAC = S&M Spend / New Customers | — |
| Benchmarks | — | — |
| Calculator | CAC calculator | — |
When Each Matters
CAC and Conversion Rate Optimization answer different questions. CAC is customer acquisition cost, the sales and marketing investment required to acquire customers. Conversion Rate Optimization is the discipline of improving the percentage of visitors, leads, trials, or demos that move to the next step in the funnel. In practice, healthy SaaS operators watch both, because each one catches failure modes the other misses.