mrrsucks_
Last updated: June 2026·by mrrsucks.com
Retention & Churn

Revenue Churn Rate

Revenue churn rate measures the percentage of recurring revenue (MRR or ARR) lost in a period due to cancellations and downgrades, before accounting for expansion. It captures the dollar impact of retention failures, weighting each lost customer by their revenue contribution rather than treating all accounts equally.

formula.sh

Revenue Churn Rate = (MRR Lost to Cancellations + MRR Lost to Downgrades) / MRR at Period Start × 100

  • > MRR Lost to Cancellations — full MRR value of accounts that fully cancelled
  • > MRR Lost to Downgrades — the MRR reduction from accounts that stayed but reduced their plan
  • > MRR at Period Start — total recurring revenue at the beginning of the measurement period
  • > This is gross revenue churn; subtract expansion MRR to get net revenue churn
example
example.sh

$100,000 MRR at period start. $3,000 in cancellations. $1,500 in downgrades.

($3,000 + $1,500) / $100,000 × 100

4.5% gross revenue churn — $4,500 in MRR must be replaced before you grow at all.

why it matters

Revenue churn is the financial reality of customer churn. Two companies with identical 5% customer churn rates can have wildly different revenue churn rates depending on which customers are leaving. Losing your lowest-value customers is painful but survivable. Losing your highest-value accounts is an existential threat.

For B2B SaaS, revenue churn is what your investors actually care about. A 1% monthly revenue churn rate against a strong expansion motion can produce a business that grows despite losing customers. A 5% monthly revenue churn rate with flat expansion produces a business in secular decline regardless of sales performance.

Always decompose revenue churn into cancellation churn and downgrade churn. Cancellation churn is a product-market fit signal. Downgrade churn is a value delivery and pricing signal. The interventions are completely different.

common mistakes
Conflating gross revenue churn with net revenue churn; expansion can mask severe underlying cancellation problems.
Calculating revenue churn on ARR using contract value rather than actual recognized revenue, which distorts timing.
Not tracking downgrade churn separately from cancellation churn, losing the signal about which problem to solve.
pro tips
Set separate targets for cancellation churn and downgrade churn — they respond to different product and success investments.
Analyze revenue churn by account age: customers who churn in months 1–3 indicate onboarding failure; months 6–12 indicate value realization failure.
Calculate the revenue churn break-even point: the expansion rate at which your NRR stays above 100% despite gross churn.

the mrrsucks take

Revenue churn is your product voting with its wallet. Every point of MRR churn is a customer telling you they found something better — or nothing at all is preferable to what you built.

faq
Is revenue churn the same as MRR churn?+

Yes, effectively. MRR churn is revenue churn expressed against your monthly recurring revenue base. They are the same concept measured at monthly vs annual cadence.

How does revenue churn relate to NRR?+

NRR (Net Revenue Retention) = 100% minus revenue churn plus expansion rate. If your gross revenue churn is 8% but your expansion rate is 12%, your NRR is 104% — meaning your existing customers grow your revenue even as some leave.

The churn spiral

related metrics

./install-the-daemon

$9. 365 roasts. one public endpoint of pure shame.