Return on Advertising Investment (ROAS) is a metric that measures the revenue generated per dollar spent on advertising. It helps marketers evaluate the effectiveness of advertising campaigns to determine which ones are most profitable.
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The formula for calculating ROAS is simple:
ROAS = (Advertising Campaign Revenue / Advertising Campaign Cost) x 100%
For example, if you spend $1,000 on an advertising campaign and generate $5,000 in revenue, your ROAS is: ($5,000 ÷ $1,000) x 100 % = 500% or 5:1 This means that for every dollar spent on advertising, you You can earn 5 yuan in revenue.
Let’s look at a few examples to better understand ROAS:
E-commerce: An online store spent $500 on a social media advertising campaign and generated $2,500 in sales. ROAS is 500% or 5:1.
SaaS Company: A software company invested $10,000 in Google Ads and received $30,000 in new subscriptions. ROAS is 300% or 3:1.
Local business: A local restaurant spent $200 on targeted Facebook ads and generated $800 in new orders. ROAS is 400% or 4:1.

Why return on ad spend (ROAS) matters
Measure campaign effectiveness : Help marketers understand which campaigns are performing well and which ones need improvement.
Budget Allocation : By identifying high-performing campaigns, businesses can allocate their advertising budget more effectively.
Optimization : ROAS insights can guide marketers to optimize campaigns and improve performance.
Profitability assessment : Helps assess whether advertising investment is profitable compared to costs.