| Monthly Recurring Revenue (MRR) | Total recurring revenue normalized to a monthly figure | Sum of (annual subscription amounts / 12) for all active subscriptions | Chargify subscription data via equa-server/modules/billing/ | $X/month |
| Average Revenue Per Organization (ARPO) | Average monthly revenue per paying organization | MRR / Count of organizations with active subscriptions | Chargify + Organizations table | $X/org/month |
| Holder Expansion Rate | Rate at which paying organizations add new holders (expanding their subscription) | (New holders added to paying orgs per month / Total holders in paying orgs) x 100 | updateSubscriptionMemberCount() in equa-server/modules/billing/src/writing.ts (lines 275-294) | X%/month |
| Free-to-Paid Conversion Rate | Percentage of START organizations that upgrade to GROWTH | (START orgs that purchased GROWTH in period / Total START orgs at start of period) x 100 | Chargify subscription creation events | X%/month |
| Churn Rate (Revenue) | Percentage of MRR lost to cancellations per month | (MRR lost to cancellations in month / MRR at start of month) x 100 | Chargify cancellation events via cancelOrganizationSubscription() | X%/month |
| Lifetime Value (LTV) | Predicted total revenue from an average paying organization | ARPO / Monthly churn rate | Derived from ARPO and churn | $X |
| LTV:CAC Ratio | Ratio of customer lifetime value to customer acquisition cost | LTV / CAC | LTV calculation + marketing spend tracking | X:1 |
| Equa Cash Redemption Rate | Percentage of earned Equa Cash that is redeemed | (Equa Cash redeemed / Equa Cash earned) x 100 | Referrals.equaCash and Transactions in equa-server/modules/billing/src/writing.ts (lines 195-209) | X% |