Metric wiki

CPM vs CPV

By Oliver Wakefield-Smith · updated July 2026

The short answer

CPM bills the serve; CPV bills the watch. On YouTube, a view charge lands when someone watches 30 seconds (or the whole ad if shorter) or interacts, per Google's video campaign documentation. To compare a CPV quote against a CPM quote, multiply CPV by the view rate and by 1,000: that is the implied CPM you are really paying.

implied CPM = CPV × view rate × 1,000

$0.05 CPV at a 30% view rate = $15.00 implied CPM

$0.05 CPV at a 15% view rate = $7.50 implied CPM

CPV and view rates are stated inputs (YouTube publishes no rates); the conversion is the point. Your campaign's view rate is in your reporting.

Reading the conversion

The same CPV doubles its implied CPM when the view rate doubles, because you are charged on more of the serves. Consequence one: skippable CPV buying with a boring ad is cheap per impression, expensive per watcher. Consequence two: a great hook raises your view rate and your effective impression cost simultaneously; you chose to pay for attention and you are getting it. Decide which unit you actually want before comparing quotes in the calculator.

Which YouTube formats bill which

Skippable in-stream: CPV under view-based bidding (the 30-second rule), CPM under impression-based strategies.
Non-skippable in-stream and bumpers: CPM, necessarily; there is no skippable view event to price.
The choice is a risk allocation: CPV puts the boredom risk on Google, CPM keeps it with you at a lower unit price, exactly parallel to the click-risk trade at CPM vs CPC.

The view rule30sYouTube CPV charge rule: you pay when someone watches 30 seconds (or the full ad if shorter) or interactsGoogle Ads video campaign biddingretrieved July 2026

Rate realityno published rateYouTube publishes no CPM or CPV rates; buying runs through the Google Ads auctionYouTube Advertisingretrieved July 2026

Buy-side context: YouTube CPM. The creator's end of these same serves: YouTube creator RPM.