What is inbound marketing ROI? Inbound marketing ROI is the return on investment that a business sees from its inbound marketing activities. This can be measured in a number of ways, but ultimately, it comes down to how much revenue is generated from inbound marketing compared to what was spent on it. There are a number of factors that can affect inbound marketing ROI, such as the quality of the leads, the sales cycle, and the conversion rate. However, if done correctly, inbound marketing can be an extremely effective way to generate new business and grow a company. To calculate inbound marketing ROI, businesses need to track a number of key metrics, such as website traffic, leads, and customers. By understanding how these metrics change over time, businesses can get a good idea of how their inbound marketing is performing and how it is impacting their bottom line.