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Churn Rate Calculator

Calculate SaaS customer churn rate, revenue churn, retention rate, and 12-month projections.

Monthly Churn Rate

5.00%

Starting Customers1,000
Customers Lost50
Annual Churn Rate45.96%
Monthly Retention Rate95.00%
Annual Retention Rate54.04%
Projected Customers (12 months)540
Needs Work: 5-7% monthly

Focus on retention strategies

At your current churn rate, you will lose approximately 46% of your customers annually.

12-Month Projection

1,000
Today
540
12 Months
-460 customers (-46%)

SaaS Churn Benchmarks (Monthly)

<2%
Excellent
2-5%
Good
5-7%
Needs Work
>7%
Critical
💡
Churn Rate Formula:
Customer Churn = (Lost Customers / Starting Customers) x 100

Pro Tips:
  • Focus on onboarding - most churn happens in the first 90 days
  • Track cohort retention to identify patterns
  • Consider negative churn through expansion revenue
  • Survey churned customers to understand why they left

About This Calculator

The Churn Rate Calculator measures how fast your business is losing customers over any time period—one of the most critical metrics for SaaS companies, subscription businesses, and any recurring revenue model in 2026. With subscription economy revenue exceeding $300 billion globally and the average SaaS company spending $1.18 to acquire every $1 of new ARR, understanding and reducing churn has never been more important for sustainable growth. Enter your starting customers, lost customers, and time frame to calculate monthly churn rate, annual churn rate, retention rate, average customer lifetime, and customer lifetime value (CLV) instantly. This calculator transforms raw customer data into actionable insights that reveal the true health of your business. Whether you're a SaaS founder tracking monthly subscription cancellations, an e-commerce brand analyzing subscription box retention, or a mobile app measuring user attrition, mastering churn metrics is essential for achieving profitability and securing investment in today's competitive landscape.

How to Use the Churn Rate Calculator

  1. 1Enter the number of customers at the start of your measurement period.
  2. 2Input the number of customers lost (canceled, churned) during that period.
  3. 3Select your measurement time period (monthly, quarterly, or annual).
  4. 4View your calculated churn rate percentage instantly.
  5. 5Review your retention rate (inverse of churn rate).
  6. 6See the projected annual churn impact from your monthly rate.
  7. 7Calculate implied average customer lifetime in months.
  8. 8Enter average revenue per user (ARPU) to calculate Customer Lifetime Value (CLV).
  9. 9Compare your metrics against industry benchmarks provided.
  10. 10Analyze cohort data by running calculations for different customer segments.

Formula

Churn Rate = (Customers Lost / Customers at Start) × 100

Churn rate measures the percentage of customers who stopped using your product or service during a specific time period. A 5% monthly churn means 5 out of every 100 customers leave each month. While simple to calculate, the compounding effect of churn over time makes even small improvements extremely valuable—reducing monthly churn from 5% to 4% can double customer lifetime.

The 5% Monthly Churn Trap: Math That Kills Startups

Counter-Intuitive Reality: 5% monthly churn sounds manageable—after all, you're keeping 95% of customers. But compounded over a year, you lose 46% of your customers.

The Compound Math: Annual Retention = (1 - Monthly Churn)^12 Annual Retention = (1 - 0.05)^12 = 0.54 = 54% retained Annual Churn = 1 - 0.54 = 46% lost

Monthly vs Annual Churn Conversion Table:

Monthly ChurnAnnual RetentionAnnual ChurnAvg. Customer Lifetime
1%88.6%11.4%100 months (8.3 years)
2%78.5%21.5%50 months (4.2 years)
3%69.4%30.6%33 months (2.8 years)
4%61.3%38.7%25 months (2.1 years)
5%54.0%46.0%20 months (1.7 years)
7%41.5%58.5%14 months (1.2 years)
10%28.2%71.8%10 months
15%14.2%85.8%6.7 months

The Startup Death Spiral: If it costs $500 to acquire a customer paying $50/month, you need 10 months just to break even (ignoring other costs). At 10% monthly churn, average customer lifetime is 10 months—zero profit margin. At 15% churn, you lose money on every customer.

Customer Lifetime Formula: Average Customer Lifetime = 1 / Monthly Churn Rate At 5% monthly churn: 1 / 0.05 = 20 months

Industry Benchmark Churn Rates (2026)

SaaS Churn Benchmarks by Segment:

Business TypeMonthly ChurnAnnual ChurnKey Drivers
Enterprise SaaS (B2B)0.5-1%5-10%Multi-year contracts, high switching cost
Mid-Market SaaS1-2%10-20%Annual contracts, moderate integration
SMB SaaS3-5%30-50%Monthly billing, price-sensitive
B2C Subscription5-7%45-60%Netflix/Spotify tier, content-driven
Consumer Apps5-10%50-70%Mobile games, lifestyle apps
E-commerce Subscription6-10%55-70%Subscription boxes, replenishment
Freemium (Paid Tier)3-8%30-60%After free trial conversion

Revenue vs Customer Churn Comparison:

Metric TypeEnterpriseMid-MarketSMBB2C
Logo (Customer) Churn5-7%15-25%30-50%45-60%
Gross Revenue Churn3-5%10-18%25-40%40-55%
Net Revenue Retention110-130%100-115%90-105%85-100%

What "Good" Looks Like in 2026:

  • World-Class: <2% monthly / <20% annual
  • Healthy: 3-5% monthly / 30-45% annual
  • Concerning: 5-7% monthly / 45-60% annual
  • Critical: >7% monthly / >60% annual

The Rule of 40 Connection: For SaaS companies, Growth Rate + Profit Margin should exceed 40%. High churn forces excessive spending on acquisition, destroying this equation and investor confidence.

Churn Rate Formulas and Calculations

Basic Churn Rate: Churn Rate = (Customers Lost ÷ Starting Customers) × 100

Example Calculation:

  • Started with: 1,000 customers
  • Lost: 50 customers
  • Churn Rate: (50 ÷ 1,000) × 100 = 5%

Retention Rate (Inverse of Churn): Retention Rate = 100% - Churn Rate Retention Rate = 1 - Churn Rate (as decimal) 5% churn = 95% retention

Customer Lifetime Value (CLV): Simple CLV = ARPU ÷ Monthly Churn Rate

Example:

  • ARPU: $100/month
  • Monthly Churn: 5%
  • CLV: $100 ÷ 0.05 = $2,000

Gross vs Net Revenue Churn:

TypeFormulaWhat It Measures
Gross Revenue Churn(Lost MRR + Downgrades) ÷ Starting MRRTotal revenue loss
Net Revenue Churn(Lost MRR - Expansion MRR) ÷ Starting MRRNet revenue impact

Example:

  • Starting MRR: $100,000
  • Lost to cancellations: $5,000
  • Lost to downgrades: $2,000
  • Gained from upgrades: $4,000

Gross Revenue Churn: ($5,000 + $2,000) ÷ $100,000 = 7% Net Revenue Churn: ($7,000 - $4,000) ÷ $100,000 = 3%

Negative Net Churn: When expansion revenue exceeds losses, you achieve "negative churn"—the holy grail of SaaS. Your existing customer base generates more revenue over time even as some customers leave.

Customer Churn vs Revenue Churn

Why Both Metrics Matter:

Customer Churn (Logo Churn):

  • Counts heads leaving regardless of value
  • Treats all customers equally in the count
  • Important for market share, network effects, reviews
  • Leading indicator of product-market fit

Revenue Churn:

  • Measures dollar impact of departures
  • Weighted by customer value/spend
  • Critical for financial health and forecasting
  • More relevant for investor reporting

When They Diverge Significantly:

ScenarioCustomer ChurnRevenue ChurnMeaning
Small customers leavingHighLowLosing low-value accounts (may be OK)
Large customer leavesLowHighLost whale—investigate immediately
Downgrades happeningZeroPositiveCustomers staying but paying less
Upsells workingN/ANegativeGrowth from existing base

Real Company Example: SaaS company with 1,000 customers generating $100K MRR:

Scenario A:

  • 100 small customers ($30/mo each) cancel: $3K MRR lost
  • Customer churn: 10%
  • Revenue churn: 3%

Scenario B:

  • 2 enterprise customers ($10K/mo each) cancel: $20K MRR lost
  • Customer churn: 0.2%
  • Revenue churn: 20%

Which to Prioritize by Stage:

Company StagePrimary FocusWhy
Pre-Product Market FitCustomer ChurnNeed volume and feedback
Growth StageBoth EquallyBalancing acquisition and retention
Mature StageNet Revenue RetentionMaximizing existing customer value

Cohort Analysis: The Right Way to Measure Churn

Why Average Churn Rates Lie: Blending all customers together hides critical patterns. A reported 5% monthly churn might actually be:

  • Month 1 cohort: 15% churn (poor onboarding)
  • Month 2 cohort: 8% churn (value realization gap)
  • Month 3+ cohorts: 3% churn (power users established)

Cohort Retention Table Example:

CohortMonth 0Month 1Month 2Month 3Month 6Month 12
Jan '24100%72%65%61%55%48%
Feb '24100%75%68%64%58%51%
Mar '24100%78%72%68%62%-
Apr '24100%82%77%72%--
May '24100%85%80%---

What This Reveals:

  1. Newer cohorts retain better = product/onboarding improvements working
  2. Biggest drop is Month 0→1 = onboarding problem to fix
  3. Churn stabilizes after Month 3 = power users established
  4. Improvement trend = team is learning and iterating

Key Cohort Metrics to Track:

MetricTime FrameGood BenchmarkGreat Benchmark
Day 1 RetentionNext day return>50%>70%
Week 1 Retention7-day return>35%>50%
Day 30 RetentionHabit formed>25%>40%
Day 90 RetentionLong-term user>20%>35%

SaaS Monthly Cohort Benchmarks:

  • Month 1: 70-85% (15-30% immediate churn is normal)
  • Month 3: 55-70%
  • Month 6: 45-60%
  • Month 12: 35-50%

Causes of Churn and How to Diagnose

Top Churn Causes by Category:

1. Product Issues (35% of voluntary churn):

  • Features don't solve user problems
  • Too complex/poor UX
  • Bugs and reliability issues
  • Lack of expected features
  • Performance problems

2. Onboarding Failures (25% of early churn):

  • Users never reach "aha moment"
  • Too long to first value
  • Confusing setup process
  • No guidance or support
  • Wrong expectations set by marketing

3. Value Perception (20% of churn):

  • Price doesn't match perceived value
  • ROI not demonstrated
  • Competitive alternatives appear better
  • Needs changed, product didn't adapt
  • Usage declined over time

4. External Factors (15% of churn):

  • Customer went out of business
  • Budget cuts/economic conditions
  • Changed jobs/roles
  • Seasonal business ended
  • Life circumstances changed

5. Involuntary Churn (5-10% of total):

  • Failed payment/expired card
  • Account issues
  • Compliance/policy violations
  • Fraud prevention

Diagnostic Framework:

Churn TimingLikely CauseSolution Focus
Day 1-7Wrong fit or failed onboardingQualify leads, improve onboarding
Week 2-4Didn't find valueActivation metrics, customer success
Month 2-3Value plateauExpand use cases, add features
Month 6+Competition or budgetLoyalty programs, demonstrate ROI

Key Question to Ask Churned Users: "On a scale of 1-10, how likely are you to return to [Product] if we solved [their stated reason]?"

  • 8-10: Win-back campaign target
  • 4-7: Fixable issues, prioritize feedback
  • 1-3: Wrong fit, don't invest in recovery

Strategies to Reduce Churn

1. Fix Involuntary Churn First (Quick Wins): Failed payments cause 20-40% of all churn and are easiest to fix:

  • Implement dunning email sequences (3-5 emails over 14 days)
  • Use card updater services (recover 20-30% of failures)
  • Retry failed payments at optimal times (Tuesday 10am, Monday 4pm)
  • Offer payment method alternatives
  • Pre-expiration card update reminders

2. Improve Onboarding (Highest Impact): The first 7 days determine long-term retention:

Onboarding ElementImpact on Retention
Welcome email sequence+15-25%
In-app guidance/tours+20-30%
Success milestones+25-35%
Human touch (call/email)+30-50%
Quick wins within 5 minutes+40-60%

3. Implement Early Warning System: Monitor these leading indicators:

  • Login frequency declining
  • Feature adoption dropping
  • Support tickets increasing
  • NPS scores falling
  • Usage depth decreasing
  • Key actions not happening

4. Segment and Personalize:

SegmentRisk LevelIntervention
Power usersLowAdvocate program, referral incentives
Regular usersMediumFeature education, use case expansion
Declining usageHighProactive outreach, success call
At-risk (7+ days no login)CriticalWin-back campaign, discount offer

5. Build Switching Costs (Ethically):

  • Data integration depth
  • Workflow customization
  • Team collaboration features
  • Historical data value
  • Training investment

Customer Lifetime Value (CLV) Deep Dive

Simple CLV Formula: CLV = ARPU / Monthly Churn Rate

More Accurate CLV Formula: CLV = (ARPU × Gross Margin) / Monthly Churn Rate

Example Calculation:

  • ARPU: $100/month
  • Gross Margin: 80%
  • Monthly Churn: 5%
  • CLV = ($100 × 0.80) / 0.05 = $1,600

CLV to CAC Ratio Benchmarks:

RatioInterpretationAction
< 1:1Losing money on every customerStop acquisition, fix retention
1:1 - 2:1Barely profitableReduce CAC or improve retention
3:1Healthy SaaS benchmarkMaintain and optimize
5:1+Very efficient, can invest moreScale acquisition spend

CLV Impact of Churn Reduction:

Monthly ChurnAvg. LifetimeCLV at $50 ARPUCLV at $100 ARPU
10%10 months$500$1,000
7%14 months$714$1,429
5%20 months$1,000$2,000
3%33 months$1,667$3,333
2%50 months$2,500$5,000
1%100 months$5,000$10,000

The Power of 1% Improvement: Reducing churn from 5% to 4% increases CLV by 25% ($1,000 → $1,250) Reducing churn from 4% to 3% increases CLV by 33% ($1,250 → $1,667)

Marginal CLV improvement accelerates as churn decreases.

Net Revenue Retention: The Ultimate Metric

What is Net Revenue Retention (NRR)? NRR measures how much revenue you retain and expand from existing customers, excluding new customer acquisition.

Formula: NRR = (Starting MRR + Expansion - Contraction - Churn) / Starting MRR × 100%

Example:

  • Starting MRR: $100,000
  • Expansion (upsells): +$15,000
  • Contraction (downgrades): -$3,000
  • Churn (cancellations): -$7,000
  • Ending MRR from cohort: $105,000
  • NRR = $105,000 / $100,000 = 105%

NRR Benchmarks by Company Type:

Company TypeGoodGreatBest-in-Class
B2B Enterprise100%+115%+130%+
B2B Mid-Market95%+105%+115%+
B2B SMB90%+100%+110%+
B2C Subscription85%+95%+105%+

Why NRR > 100% is the Holy Grail:

  • You can grow without new customers
  • Existing customer base expands automatically
  • Demonstrates strong product-market fit
  • Highly valued by investors (2-3x revenue multiple impact)

Companies Famous for High NRR:

  • Snowflake: 170%+ NRR
  • Twilio: 150%+ NRR
  • Datadog: 140%+ NRR
  • Zoom: 130%+ NRR
  • Slack: 125%+ NRR

How to Achieve High NRR:

  1. Usage-based pricing that grows with customer
  2. Clear upgrade paths (good-better-best tiers)
  3. Land and expand strategy (start small, grow account)
  4. Cross-sell complementary products
  5. Annual contracts with built-in increases

Pro Tips

  • 💡Track cohort retention, not just average churn—averages hide where customers actually drop off and whether improvements are working.
  • 💡Fix involuntary churn first (failed payments)—it represents 20-40% of total churn and is the easiest and cheapest to solve with dunning emails and card updaters.
  • 💡The first 7-14 days determine long-term retention—invest heavily in onboarding to get users to their 'aha moment' as quickly as possible.
  • 💡Monitor leading indicators (login frequency, feature adoption, support tickets) to predict and prevent churn before cancellation happens.
  • 💡Segment churn by customer size, acquisition channel, and use case—aggregated averages hide the actionable insights in your data.
  • 💡Calculate your break-even point: if CAC is $300 and ARPU is $50, you need 6+ months of retention just to recover acquisition cost.
  • 💡Net Revenue Retention over 100% means you can grow without any new customers—this is the ultimate SaaS metric that investors value highly.
  • 💡Survey churned customers within 24 hours of cancellation while the experience is fresh—response rates are 3x higher than delayed surveys.
  • 💡Build an early warning system that flags at-risk customers based on declining engagement before they decide to cancel.
  • 💡Implement a 'save' flow for customers attempting to cancel—offer downgrades, pauses, or incentives before letting them go.
  • 💡Don't count customers gained and lost in the same period—this muddies your true retention picture.
  • 💡Calculate CLV:CAC ratio monthly and set alerts if it drops below 3:1—this ratio determines long-term business viability.

Frequently Asked Questions

It depends heavily on your segment. Enterprise SaaS (B2B) should target under 1% monthly (10% annual) due to high contract values and switching costs. SMB SaaS typically sees 3-5% monthly (30-45% annual) because of price sensitivity and lower switching costs. B2C subscriptions average 5-7% monthly. Any SaaS above 7% monthly churn has a critical retention problem that will limit growth and make profitability nearly impossible.

Nina Bao
Written byNina BaoContent Writer
Updated January 5, 2026

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