ROAS (Return on Ad Spend)
MetricROAS is the revenue generated for every unit of currency spent on advertising, expressed as a ratio or a multiple.
Think of ROAS like a money multiplier at an arcade: if you put $1 into an ad machine and it gives you $4 in customer orders back, your ROAS is 4x. It tells you how much revenue an ad generated compared to what you paid to run it.
ROAS = Revenue Attributed to Ads ÷ Ad Spend
If a campaign spends $1,000 on Google Ads and generates $4,000 in tracked customer orders, the ROAS is $4,000 ÷ $1,000 = 4.0 (or "4x").
ROAS only measures top-line revenue, not profit. An ad with 4x ROAS can still lose you money if your product manufacturing, shipping, and fulfillment costs consume 80% of that revenue. Additionally, Google Ads, Meta, and your CRM backend will each calculate ROAS differently because each platform takes credit for the same customer.
Last reviewed August 28, 2026.