SaaS Churn Cost Calculator
Calculate the true financial cost of customer churn, combining annualized lost recurring subscription revenue with the marketing CAC required to replace cancelled accounts.
Customer & Revenue Churn Financial Damage
Annual Lost Recurring Revenue$31,200.00$2,600.00 recurring monthly drain
Annual Replacement CAC Drain$187,200.00Cost to acquire replacements just to stay flat
Cumulative Annual Churn Cost$218,400.00Lost revenue + acquisition replacement spend
Step-by-Step Worked Example
Scenario:
Calculation Steps:
Result:
How to Use This Calculator
Assumptions & Limitations
- Assumes lost customers are not immediately recovered through win-back campaigns.
- Demonstrates why reducing churn by 1% often creates more enterprise value than acquiring new leads.
Frequently Asked Questions
What is a typical B2B SaaS churn rate?
For SMB SaaS, monthly churn is typically 2% to 4% (20%–40% annually). For Enterprise B2B SaaS, target monthly churn is under 0.5%–1.0% (under 6%–10% annually).
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