This blueprint provides the definitive framework to bridge that gap. It is a comprehensive guide for SaaS leaders to build a rigorous, data-driven system for measuring, proving, and maximizing the Return on Investment (ROI) of their video efforts. The methodology detailed herein is not merely a set of reporting instructions; it is a strategic and cultural shift. It requires establishing an ROI-centric culture, implementing a robust calculation framework, mapping video KPIs directly to business goals, navigating the complexities of attribution, and operationalizing measurement through technology and cross-functional alignment. By following this blueprint, you can transform your video marketing function from a perceived cost center into a predictable, respected, and indispensable driver of revenue.