Return on Ad Spend (ROAS) is a crucial performance marketing metric that measures the gross revenue generated for every dollar spent on advertising. It is calculated by dividing the revenue attributed to an ad campaign by the cost of that campaign: ROAS = Revenue from Ad Campaign \/ Cost of Ad Campaign. For example, a ROAS of 5 means that for every $1 spent on advertising, $5 in revenue was generated. It is a direct measure of the effectiveness and profitability of advertising efforts. Unlike ROI (Return on Investment), which factors in the cost of goods sold and other expenses to calculate net profit, ROAS is a top-line metric focused solely on the efficiency of the ad spend itself. There is no universal “good” ROAS; it varies by industry, profit margins, and business objectives. A target ROAS is set based on the company’s customer lifetime value (LTV) and overall profitability goals. Marketers use ROAS to evaluate the performance of individual campaigns, channels, and keywords, allocating more budget to high-ROAS activities and optimizing or pausing low-ROAS ones. It is a fundamental KPI for scaling paid acquisition profitably.<\/p>\n\n\n\n