See the real cost of customer churn in dollars — lost MRR, replacement CAC, and the revenue you'd save by reducing churn even slightly.
What it does
Quantifies the total revenue impact of customer churn by calculating MRR lost, annual revenue at risk, replacement cost (CAC), and the savings from reducing churn by specific percentages.
Why it matters
A 5% reduction in churn can increase profits by 25-95%. Most companies underestimate churn's compounding effect — this calculator makes the true cost impossible to ignore.
Definition
Churn rate is the percentage of customers who cancel or don't renew within a given period. Churn impact includes lost revenue, replacement acquisition costs, and reduced lifetime value.
Assumptions
How to interpret your results
Focus on the 'Revenue Saved' section. Even small churn reductions translate to massive annual savings. Prioritize retention investments that cost less than the revenue they save.
How to improve
Identify at-risk accounts early
Use health scores and usage data to flag churn before it happens
Invest in onboarding
Customers who activate successfully in the first 30 days churn 50% less
Build a feedback loop
Exit interviews reveal patterns you can fix proactively
MRR Lost Per Month
$5,000
Revenue Lost Per Year
$60,000
Customers Churned Per Year
120
CAC to Replace Churned
$96,000
Total Annual Churn Cost
$156,000
Reduce churn by 1% → 4.0%
Save $1,000/mo in MRR
Reduce churn by 2% → 3.0%
Save $2,000/mo in MRR
Reduce churn by 5% → 0.0%
Save $5,000/mo in MRR