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Payback Calculator
Maximize your ROI and reduce your customer acquisition cost.
Input Parameters
Enter your business information
Calculation Formulas
CAC
Expenses ÷ New Customers
Contribution
ARPU × Gross Margin %
Payback
CAC ÷ Contribution
CAC
0,00 €
Customer Acquisition Cost
Contribution
0,00 €
Margin per Customer/Month
Payback
0.0 months
Recovery Time
Action Required: Reduce the CAC
Payback period is too long. Cash flow risk. Improve targeting or increase ARPU.
Profitability Curve
A visualization of CAC payback over time. Break-even point: the point at which your customer becomes "free" and begins to generate a net profit.
Key Definitions
Gross Margin
Revenue minus direct service costs (hosting, support). For SaaS, this figure is typically around 80%.
ARPU (Average Revenue Per User)
Your customers' average monthly spend. This is the recurring revenue you generate per user each month.
Break-even Point
The exact point at which your customer becomes "profitable" and starts generating net profit. This is when the cumulative contribution equals the customer acquisition cost.