New-to-Brand Metrics in the retail industry are a set of measurements that assess the performance and impact of marketing efforts in attracting new customers to a brand. These metrics help retailers understand the effectiveness of their marketing campaigns in reaching and engaging with audiences who are new to the brand. Common new-to-brand metrics include the number of new customers acquired, the cost per new customer, and the revenue generated from these new customers. Analyzing these metrics provides valuable insights into the success of marketing strategies aimed at expanding a brand's customer base and increasing market share.