Churn Impact Calculator

2026 BENCHMARKS
CPL$198
CAC$847

Step 1: Customer Base

Current metrics

Customer Base

5010,000
505,000
1%50%

Healthy Retention

B2B SaaS benchmark: 5% | Your rate: 5%

25 lost/year

Lost ARR

$125,100.00

Annual revenue lost to churn

Lost MRR

$868.75

Monthly revenue impact

Replacement Cost

$21,175.00

CAC to replace churned customers

Total Annual Impact

$146,275.00

Lost revenue + replacement CAC

Net Revenue Retention

95.0%

Target: >100% with expansion

1% Churn Reduction

$25,020.00

Potential annual savings

Churn Rate vs Industry+0.0% vs median
Top: 2.5%Median: 5%Bottom: 10%

Retention Program Economics

Annual Retention Investment$300,000.00
Potential ROI of Retention-58.3%

Calculator Knowledge Base and Scientific Documentation

Quick Reference

The Scientific Model

Churn Impact Formula

Formula

Why this approach:

People Also Ask

What is a good churn rate for B2B?
Churn rates vary significantly by industry. For B2B SaaS, top performers maintain 2.5% annual churn or lower, while the median is 5%.
How do I calculate the true cost of churn?
True churn cost includes both lost revenue (ARPU × time remaining in expected lifespan) AND the CAC required to replace the churned customer. This calculator accounts for both factors.
What's the ROI of investing in retention?
Studies show acquiring a new customer costs 5-25x more than retaining an existing one. Reducing churn by just 1% can significantly impact revenue, as shown in this calculator.

Contextual ROI: The Intangibles