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Churn Rate Calculator

Analyze customer retention and calculate churn rates

Customers at Start

Customers Lost

Time Period

Churn Rate

5.00%

monthly

Retention Rate

95.00%

Avg Customer Lifetime

20.0 months

Annual Churn Rate

46.0%

Churn Benchmarks

Your Churn

5.0%

Best in Class

<2%

Average SaaS

3-7%

Impact Analysis

If you reduce churn by 1%+10 customers/month

Customers after 12 months (current)540

Customers after 12 months (1% less churn)613

Churn Reduction Tips

• Identify churn signals early (login frequency, feature usage)
• Improve onboarding - most churn happens in first 90 days
• Implement customer success outreach for at-risk accounts
• Build habit-forming features that become essential

What is Churn Rate Calculator?

Churn rate is the percentage of customers (or revenue) lost over a given period. Customer churn counts lost accounts; revenue churn measures lost MRR. Net revenue churn factors in expansion revenue from remaining customers, and can be negative when upgrades outweigh cancellations.

How to use this calculator

1Enter your starting customer count and MRR at the beginning of the period.
2Input the number of customers lost and the MRR they represented.
3Add expansion MRR from upgrades by existing customers to calculate net revenue churn.
4Review your logo churn rate, gross revenue churn rate, and net revenue churn rate.
5Compare against industry benchmarks and use the results to set churn reduction targets.

Why this matters for founders

Churn is the silent killer of SaaS businesses. High churn makes growth unsustainable because you must constantly replace lost customers just to stay flat. Reducing churn by even a few percentage points has a compounding effect on long-term revenue.

How to read the results

•Monthly churn of 5% means losing half your customer base annually -- that is a leaky bucket no acquisition budget can fill.
•Distinguish between logo churn (lost accounts) and revenue churn (lost MRR) -- losing many small accounts differs from losing one large account.
•Negative net revenue churn (expansion exceeds churn) is the hallmark of best-in-class SaaS companies and means you grow even without new customers.
•Analyze churn by cohort to identify if specific onboarding periods, plan types, or customer segments are responsible.

Industry benchmarks

Best-in-class B2B SaaS: <2% monthly logo churn, <1% monthly net revenue churn. SMB SaaS: 3-5% monthly churn is typical. Enterprise SaaS: <1% monthly is expected. Net revenue retention above 120% (negative net churn) is top-tier. B2C subscription apps often see 5-10% monthly churn.

Key terminology

🌀Churn Rate 🔄NRR