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Meta Cost per Thruplay measures the average spend for each video watched to completion or for at least 15 seconds—the standard efficiency metric when optimizing for video completion campaigns.

Formula

Meta Cost per Thruplay = Meta Spend ÷ Meta Thruplay Views

Formula Components

MetricDefinition
Meta SpendTotal amount spent on Meta ads
Meta Thruplay ViewsVideos watched to completion or for at least 15 seconds
Metadata
TypeCurrency
Data SourceMeta Ads
AggregationRatio

Example

Your video campaign spent $2,400 and generated 18,450 Thruplay views, giving you a Cost per Thruplay of $0.13.
Ad SetSpendThruplay ViewsCost/Thruplay
Product Demo$1,2008,200$0.15
Brand Story$8506,750$0.13
Quick Promo$3503,500$0.10
The Quick Promo achieves the lowest cost because shorter videos reach the Thruplay threshold faster.

How It Works

Meta Cost per Thruplay divides your total ad spend by the number of Thruplay views. Meta counts a Thruplay when someone watches your video to completion or for at least 15 seconds. Lower costs indicate more efficient delivery and stronger creative resonance with your target audience.

When to Use

ScenarioAction
Setting video campaign bidsUse as your target cost when optimizing for Thruplay
Comparing video creativesLower Cost/Thruplay indicates more engaging content
Evaluating audience targetingRising costs may signal audience saturation
Budget allocationShift spend toward ad sets with lower Cost/Thruplay

MetricRelationship
Meta Thruplay ViewsDenominator—total Thruplay views generated
Meta SpendNumerator—total spend divided by Thruplay views
Meta Cost per Video ViewAlternative metric—cost per 3-second view (lower threshold)
Meta Video CompletionsFull completions only (stricter than Thruplay)
See all Meta Video metrics →