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Blended Conversions ROAS measures how many dollars of conversion value you get for every dollar spent on ads. Google Ads is the only platform that reports conversion value, so only Google spend counts.

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Formula

Blended Conversions ROAS = Blended Conversions Value ÷ Google Spend

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Formula Components

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Example

Your campaigns ran on all three platforms this month: Dividing Google’s conversion value by Blended Spend ($18,000) would give 1.33x and make Google look far weaker than it is.

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How It Works

Upstack divides the conversion value Google Ads reports by Google spend. Meta and TikTok don’t fill the conversion value, so their spend is left out. In the app the formula reads Conversions Value ÷ Google Spend. Because Google is the only source, this metric matches Google ROAS for the same filters. For a return on all ad spend, use Blended ROAS.

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When to Use

See all Blended Efficiency metrics →