What is Customer Acquisition Cost?

CAC is the total cost of acquiring a new customer, including marketing, sales, and overhead. Divide total acquisition spend by new customers gained.

What is a good CAC for SaaS?

A healthy SaaS CAC-to-LTV ratio is 1:3 or better. If your CAC is $100, your customer lifetime value should be at least $300.

Focus on organic channels like SEO and community engagement, improve conversion rates, and target higher-intent prospects.

Free CAC Calculator for SaaS (2026)

22,000+

CAC Calculations

$147

Average CAC

4.2x

Best Channel ROI

89%

Optimization Rate

CAC Calculator: Know Your Customer Acquisition Cost

BigIdeasDB's free CAC calculator helps SaaS founders understand exactly how much they spend to acquire each customer. Optimize your marketing channels and improve your LTV-to-CAC ratio with data-driven insights.