Tool Area
SaaS Unit Economics
Total Cash Pool
Monthly Burn
Acquisition (CAC)
ARPU (User/Mo)
User Churn Rate3.5%
Financial Runways & LTV Matrices
Customer LTV0Projected Lifetime Value
LTV : CAC Ratio0xBenchmark Target: > 3.0x
Cash Runway0 monthsCalculated Cash/Burn Ratio
Strategic Recommendation
⚠️ Your LTV:CAC ratio is under the critical 3.0x baseline. You must either reduce customer acquisition spend (CAC) or optimize your monetization layers to raise Average Revenue Per User (ARPU).
About this tool
SaaS Unit Economics represent financial models utilized by startup founders and web entrepreneurs to calculate business profitability and customer acquisition costs.
LTV & Runway Economic Formulations
Customer Lifetime Value (LTV) maps the projected total revenue generated from a single user based on ARPU and Churn:
LTV = ARPU / Churn
The LTV to CAC ratio measures acquisition efficiency:
Ratio = LTV / CAC
Our Runway calculator helps you monitor cash burn rates and project overall business survival timelines.