Gross Retention Rate (GRR) Calculator
Compute Gross Revenue Retention (GRR) — the share of starting ARR retained without counting expansion. Always less than or equal to 100%.
GRR vs NRR — Two Sides of Retention
GRR (Gross Retention Rate): measures pure customer/revenue stickiness. Includes contraction and churn losses but EXCLUDES expansion. Bounded by 100%. NRR (Net Retention Rate): measures total revenue retention including expansion. Can exceed 100%.
Both matter. NRR > 100% with GRR = 95% is excellent — strong stickiness + strong expansion. NRR > 100% with GRR = 75% is alarming — heavy churn masked by upsells, fragile. Always report both. Source: Bessemer Cloud Index, OpenView Benchmarks 2026. Last updated: May 2026.
GRR Benchmarks by Segment 2026
| Segment | Healthy GRR | Best-in-Class |
|---|---|---|
| Enterprise SaaS | 90-95% | 95%+ |
| Mid-Market SaaS | 85-90% | 92%+ |
| SMB SaaS | 75-85% | 88%+ |
| Self-serve / PLG | 65-80% | 85%+ |
Note: smaller customers churn more frequently — SMB GRR of 80% is normal; enterprise GRR of 80% would be alarming.
Why Investors Care About GRR
NRR is the headline metric, but sophisticated investors triangulate to GRR because it shows the 'floor' of customer loyalty before any expansion intervention. A company with 130% NRR and 95% GRR has organic growth even without aggressive upsell motion. A company with 130% NRR and 75% GRR is running an upsell-treadmill — slowing the upsell motion would tank growth.
How to Improve GRR
(1) Onboarding quality. Customers who reach activation/aha within 30 days churn at half the rate of those who don't. (2) Identify churn risk early. Customer health scores combining usage, NPS, support ticket frequency. (3) Make churn intentional. Require manual cancellation (not self-service). Add pause options. Survey leavers ruthlessly. (4) Address contraction. Often more recoverable than churn — find why customers are downgrading and what would make them re-upgrade.