Free Tool
Marketing ROI Calculator
Calculate CAC, ROAS, payback period, and projected annual revenue from your marketing investment. Adjust the inputs to see live updates.
Inputs
e.g., 1.5 = customers generate 1.5× initial sale via repeat purchases
Results
Customers per Month
10
Customer Acquisition Cost (CAC)
$1,000
Return on Ad Spend (ROAS)
2.50×
LTV : CAC Ratio
3.75×
Healthy
Projected Annual Revenue
$300,000
Annual Marketing Investment
$120,000
Interpretation guide: A healthy LTV:CAC ratio is 3:1 or higher. Below 1:1 means you're losing money on every customer. Below 3:1 means marketing is profitable but constrained. Above 5:1 likely means you're under-spending on growth.