Revenue Churn Calculator

Calculate revenue churn rate (gross and net) by measuring lost MRR against starting MRR. Analyze dollar-weighted churn impact on SaaS revenue.

$
Cancellations
$
Downgrades
$
Upsells & cross-sells
$
Gross Revenue Churn
4.00%
$8,000.00 lost
Net Revenue Churn
-1.00%
Net negative โ€” base is growing!
Net Revenue Retention
101.00%
Healthy (100%+)
Annual Gross Churn
38.73%
Compounded monthly
Annual NRR
112.68%
Base grows over 12mo
Ending MRR
$202,000.00
+$2,000.00 change
Net Negative Churn Achieved!
Expansion of $10,000.00 exceeds gross losses of $8,000.00 by $2,000.00

MRR Flow

Churned MRR
โˆ’$6,000.00
Contraction MRR
โˆ’$2,000.00
Expansion MRR
+$10,000.00

Expansion Revenue Impact ($8,000.00 gross loss)

CoverageExpansionNet ChurnNRR
0.00%$0.004.00%96.00%
25.00%$2,000.003.00%97.00%
50.00%$4,000.002.00%98.00%
75.00%$6,000.001.00%99.00%
100.00%$8,000.000.00%100.00%
125.00%$10,000.00-1.00%101.00%
150.00%$12,000.00-2.00%102.00%
200.00%$16,000.00-4.00%104.00%
250.00%$20,000.00-6.00%106.00%
300.00%$24,000.00-8.00%108.00%

12-Month MRR Projection (at -1.00% net churn)

MonthProjected MRRChange
Current$200,000.00โ€”
+1$202,000.00+1.00%
+2$204,020.00+2.01%
+3$206,060.20+3.03%
+4$208,120.80+4.06%
+5$210,202.01+5.10%
+6$212,304.03+6.15%
+7$214,427.07+7.21%
+8$216,571.34+8.29%
+9$218,737.05+9.37%
+10$220,924.43+10.46%
+11$223,133.67+11.57%
+12$225,365.01+12.68%
* Existing customer base only, excludes new customer MRR
Planning notes, formulas, and examples

About the Revenue Churn Calculator

Revenue churn measures the percentage of monthly recurring revenue (MRR) lost to cancellations and downgrades over a period. Unlike customer churn, which counts heads, revenue churn weights losses by dollar value โ€” making it a more accurate reflection of financial impact. A business might lose many small customers (high logo churn) while retaining its largest accounts (low revenue churn), or vice versa.

There are two critical variants: gross revenue churn includes all MRR lost to cancellations and downgrades, while net revenue churn subtracts expansion MRR (upsells and cross-sells) from the losses. Net negative revenue churn โ€” when expansion exceeds losses โ€” is the gold standard, meaning your existing customer base grows in value even without adding new customers.

This calculator computes both gross and net revenue churn, shows the annualized impact, and models how changes in expansion revenue can shift you toward or past the net negative churn threshold.

Use the result to compare scenarios, test assumptions, and revisit the model when pricing, volume, or financing inputs change.

When This Page Helps

Revenue churn directly measures the financial health of your existing customer base. While customer churn counts lost accounts, revenue churn reveals the true dollar impact. This calculator helps you understand whether your revenue base is eroding or growing, and quantifies the expansion revenue needed to achieve net negative churn. Instant recalculation lets you test different assumptions side by side, giving you the confidence to act on data rather than gut instinct.

How to Use the Inputs

  1. Enter your starting MRR for the period.
  2. Enter MRR lost from cancellations (churned MRR).
  3. Enter MRR lost from downgrades (contraction MRR).
  4. Enter MRR gained from upsells and cross-sells (expansion MRR).
  5. Review gross and net revenue churn rates.
  6. Check whether you've achieved net negative churn.
  7. Use the scenario tables to model expansion revenue targets.
Formula used
Gross Revenue Churn = (Churned MRR + Contraction MRR) รท Starting MRR ร— 100 Net Revenue Churn = (Churned MRR + Contraction MRR โˆ’ Expansion MRR) รท Starting MRR ร— 100 Net Revenue Retention = 100% โˆ’ Net Revenue Churn Annual Gross Churn = 1 โˆ’ (1 โˆ’ Monthly Gross Churn)^12

Example Calculation

Result: Net Revenue Churn = โˆ’1.00%

Gross losses = $6,000 + $2,000 = $8,000 (4.00% gross churn). Expansion MRR = $10,000. Net churn = ($8,000 โˆ’ $10,000) รท $200,000 = โˆ’1.00%. This is net negative churn, meaning the existing customer base grew by $2,000 in MRR this month, even before adding any new customers.

Tips & Best Practices

  • Net negative revenue churn is the hallmark of the best SaaS businesses โ€” aim for it.
  • Track gross and net churn separately; gross shows the real loss, net shows the net effect.
  • A gross churn under 2% monthly is considered healthy for SaaS.
  • Expansion revenue from existing customers is cheaper to generate than new customer revenue.
  • Segment revenue churn by customer size โ€” losing a few large customers may matter more than many small ones.
  • Compare revenue churn to logo churn to understand if larger or smaller customers are churning.
  • Annualize monthly churn using the compound formula, not simple multiplication.

Gross vs Net: Why Both Matter

Gross revenue churn reveals the raw magnitude of losses from your customer base. It tells you how much revenue is at risk each month. Net revenue churn adjusts for expansion, showing the true bottom-line impact. A company with 5% gross churn but 6% expansion has โˆ’1% net churn โ€” a powerful growth engine. But ignoring the 5% gross figure would hide the fact that a significant portion of the base is unhappy.

Revenue Churn and Net Revenue Retention

Net revenue retention (NRR) is simply 100% minus net revenue churn. An NRR of 120% means each cohort of customers grows by 20% annually without any new acquisitions. Top SaaS companies like Snowflake, Datadog, and Twilio have achieved NRR above 130%. This metric is increasingly seen as the most important indicator of product-market fit in subscription businesses.

The Path to Net Negative Churn

Achieving net negative churn requires two concurrent efforts: reducing gross churn through retention improvements, and increasing expansion through product-led growth, usage-based pricing, and customer success programs. Companies that focus on only one side rarely achieve net negative churn. The most successful build expansion into the product itself through tiered features, seat-based pricing, and usage limits that naturally drive upgrades.

Revenue Churn by Segment

Revenue churn analysis becomes most actionable when segmented by customer size, industry, acquisition channel, and product plan. You may discover that enterprise customers have near-zero churn while SMB customers churn at 8% monthly. Or that customers acquired through partnerships retain much better than those from paid ads. These insights drive targeted retention strategies where they matter most.

Sources & Methodology

Last updated:

Frequently Asked Questions

  • Gross revenue churn counts all MRR lost to cancellations and downgrades without offsetting it with expansion. Net revenue churn subtracts expansion MRR (upsells, cross-sells) from the gross losses. A company with high gross churn but even higher expansion can have net negative churn โ€” meaning the base is growing.