The Metric Library

351 metric definitions across 12 departments. Every one names the fork that makes teams disagree and the trap that makes the number lie. A sample of each department is open to browse; the full catalogue, with every fork, worked trap, formula and reconciliation anchor, ships with the library.

Customer Success

Customer Churn RateHow fast customers (or their revenue) leave, per period.Read more →Gross Revenue RetentionThe share of last year's recurring revenue from existing customers you kept, counting only losses and giving no credit for any upsell.Read more →Net Promoter ScoreA loyalty index from one question, how likely you are to recommend us, scored as the share of fans minus the share of critics.Read more →Net Revenue RetentionOf the recurring revenue you had from existing customers a year ago, how much you still have now after they upgraded, downgraded, and left, expansion…Read more →Renewal RateOf the contracts that came up for renewal, the share that renewed.Read more →At-Risk RevenueThe dollar value of recurring revenue flagged as likely to leave in an upcoming window.Read more →

Executive & Board

Finance & Accounting

Annual Recurring RevenueThe annualized value of a subscription business's recurring revenue at a point in time.Read more →Days Sales OutstandingOn average, how many days it takes to collect cash after making a sale.Read more →EBITDA vs Adjusted EBITDAA proxy for operating cash earnings that strips out financing, taxes, and depreciation, and then, when "adjusted," strips out whatever else…Read more →Free Cash FlowThe cash left over after a business funds the investment needed to keep operating, the cash truly available to investors.Read more →Gross MarginThe share of each revenue dollar left after the direct cost of producing what was sold.Read more →Gross vs Net RevenueWhether you report the full amount the customer paid, or only the slice your company actually keeps.Read more →

Media & Publishing

Sell-Through RateThe share of the ad inventory you had available that you actually sold.Read more →Ad Fill RateOf the ad opportunities a page asked to fill, the share that actually got a paid ad.Read more →Ad Viewability RateThe share of ad impressions that actually had a chance to be seen, enough pixels on screen for long enough, rather than loading below the fold or in…Read more →Average Revenue Per UserAverage revenue divided by how many users you had, but "users" and "revenue" each hide a choice that moves the number several-fold.Read more →Bounce Rate vs Engaged SessionsHow many visitors left after a single interaction versus how many actually engaged, a definition that changed underneath the industry and now means…Read more →Bundle Revenue AllocationWhen one subscription payment buys several things (print delivery, digital access, an ad-free tier, an events pass), how that single price gets…Read more →

Operations

Overall Equipment EffectivenessA single 0-100% score for how much good product a machine made versus the most it could have made in the time it was scheduled to run.Read more →Backlog vs BackorderUnfilled demand on the books, but backlog is orders you simply have not shipped yet, while a backorder is demand you could not fill because you were…Read more →Bottleneck / Constraint UtilizationHow loaded the single slowest resource, the one that actually caps the whole system's output, really is.Read more →Capacity (Design vs Effective vs Demonstrated)The most a process could make under three very different assumptions: ideal conditions, realistic conditions, and what it has actually been proven to…Read more →Changeover / Setup TimeHow long a line is switched from making one product to reliably making the next.Read more →Cost per Unit (Unit Cost)What it costs to make one unit, but which costs are included, and at what production volume, changes the answer without changing the product.Read more →

Procurement & Supply Chain

SaaS & Subscriptions

Activation RateThe share of new users or accounts that reach the first meaningful milestone showing they got initial value from the product.Read more →Annual Recurring RevenueThe yearly value of a company's recurring subscriptions, stated as a single annualized number.Read more →Burn MultipleHow many dollars of cash a company burns to generate each new dollar of annualized recurring revenue, lower is more efficient.Read more →CAC Payback PeriodHow many months of a customer's revenue (or gross profit) it takes to earn back what you spent acquiring them.Read more →Customer Acquisition CostWhat it cost, on average, to win one new customer.Read more →Customer Lifetime ValueThe total profit you expect to earn from an average customer over the whole time they stay with you.Read more →

The Format Library →, the vendor export shapes and the traps in each.