Return on Ad Spend (ROAS)
A metric that measures the revenue generated for every dollar spent on advertising, used to evaluate campaign efficiency.
Return on Ad Spend (ROAS) is a marketing efficiency metric that measures the revenue generated for every dollar invested in advertising. It is calculated by dividing total revenue attributable to advertising by total advertising spend. For example, if a brand spends $10,000 on a retail media campaign and generates $50,000 in attributed sales, the ROAS is 5x (or 500%).
ROAS is one of the most important metrics for retail media advertisers because it directly quantifies the commercial return on advertising investment. Unlike brand awareness metrics (reach, frequency, recall), ROAS connects advertising activity to actual sales outcomes, making it directly comparable to other commercial investments and enabling data-driven budget allocation decisions.
Retail media networks are uniquely positioned to deliver accurate ROAS measurement because they control both the advertising platform and the transaction data. Through closed-loop attribution — matching advertising exposure records against purchase data — retailers can calculate ROAS at the campaign, creative, screen, and audience segment level. This level of measurement precision is not available in most other advertising channels. The Adflux platform provides ROAS reporting for retail media campaigns through its integration with retailer transaction data and proof-of-play reporting systems.