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Financial Metrics

RPM (Revenue Per Mille)

The total amount of revenue generated by a publisher or broadcaster for every 1,000 impressions they successfully serve.

What is RPM (Revenue Per Mille)?

RPM is the seller-side cousin of CPM. Where CPM is the price an advertiser pays, RPM is the revenue a publisher collects — after platform fees, ad-network commissions, unsold inventory drag, and any other deductions. The two metrics are related but not identical: a €20 CPM on a programmatic platform might net the publisher only €12 RPM after the SSP takes its cut.

RPM is the yield metric broadcasters and podcast publishers live and die by. Optimising RPM means filling more avails at higher effective rates without sacrificing fill-rate. A podcast with strong host-read baseline rates and a healthy programmatic fallback for unsold inventory typically delivers the best overall RPM. Stations that neglect remnant monetisation leak significant RPM compared to peers who actively manage it.

Why it matters

A critical yield metric for digital audio and OTT platforms, ensuring that the programmatic ads being inserted are actually generating sufficient profit margins.

Related terms

  • Fill Rate— The percentage of available ad requests (avails) that are successfully filled with a paying advertisement by an automated ad server.
  • CPM (Cost Per Mille / Thousand)— The standard monetary cost associated with delivering exactly 1,000 ad impressions to an audience.
  • Gross Revenue— The total, unadjusted top-line income generated from advertising sales before deducting agency commissions, operational costs, or taxes.
  • CAC (Customer Acquisition Cost)— The total combined sales, operational, and marketing expenditure required to successfully win a new advertising client.