CAC + LTV + Payback Calculator
The three numbers every paid-media operator should know cold. Plug in your spend and unit economics — get CAC, LTV, LTV:CAC ratio, and payback period.
Inputs
Acquisition cost
$
Include all paid media + acquisition costs (agency fees, affiliate, sponsored content). Pick a period — month, quarter, year — and stay consistent.
First-time purchasers / sign-ups. Repeat customers do not count here.
Customer Acquisition Cost
$100
Average cost to acquire one new customer.
