Calculator
Save-rate impact calculator
Plug in your monthly cancel-click volume and average monthly subscription value. See the preserved MRR across a realistic range of save rates (10%, 20%, 30%, 40%). The output is the number most merchants reach for when weighing whether a save flow is worth installing.
Save rate -> MRR preserved
| Save rate | Saves / mo | MRR preserved | Annualised |
|---|---|---|---|
| 10% | 20 | $980 | $11,760 |
| 20% | 40 | $1,960 | $23,520 |
| 30% | 60 | $2,940 | $35,280 |
| 40% | 80 | $3,920 | $47,040 |
Typical save rates by category: subscription boxes 35–45%, replenishment 40–55%, memberships 25–35%, SaaS 20–30%, paid newsletters 20–28%.
Want to move these numbers?
ChurnStop ships a save flow that intercepts cancellations on WooCommerce Subscriptions. Free plugin with no external calls; paid tiers add A/B testing, cohort LTV, and a 7/21/60 winback sequence.
Other calculators
- Churn rate calculator- Compute monthly gross churn from your subscriber counts without having to guess whether to divide by starting or ending customers.
- LTV lift calculator- Reduce monthly churn by X points and see the new customer lifetime value. LTV is a straight function of churn for subscription businesses.
- Winback sequence revenue calculator- Estimate the revenue from a 7/21/60-day winback email sequence given your monthly cancel volume.