Return on Ad Spend (ROAS)
ROAS (return on ad spend) measures how much revenue a business generates for every unit of money spent on advertising. It is calculated by dividing the revenue generated from an advertising campaign by the amount spent on that campaign, making it a simple way to evaluate advertising efficiency.
Why it matters
ROAS helps marketers understand how effectively their advertising spend is generating revenue. For example, a ROAS of 4 means a business generated ₹4 in revenue for every ₹1 spent on advertising. Teams can use this metric to compare campaign performance, identify stronger-performing channels, and make decisions about where to increase or reduce ad spend.
However, ROAS only considers advertising spend and revenue. It does not account for other costs such as product costs, discounts, fulfilment, salaries, or technology. A campaign can therefore have a strong ROAS and still be unprofitable. For a broader view of marketing efficiency, teams can evaluate ROAS alongside ROI and Marketing Efficiency Ratio (MER).
ROAS is particularly useful for monitoring live campaigns because advertising spend and revenue can be tracked regularly. Comparing the metric across campaigns and channels can help teams understand where their advertising budget is generating the strongest returns.
Example
A D2C brand spends ₹2,00,000 on a paid advertising campaign and generates ₹8,00,000 in revenue from it. The campaign has a ROAS of 4, meaning the brand generated ₹4 in revenue for every ₹1 spent on advertising.