Customer Acquisition Cost

Customer Acquisition Cost (CAC) is the total marketing and sales spend required to acquire one new paying customer. Low CAC relative to Customer Lifetime Value (LTV) indicates a healthy business

The calculator uses the standard published formula for cac calc. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: CAC = Total marketing & sales spend / New customers acquired. Each step in the calculation is shown so you can verify the result manually.