Digital marketing is delivering business value only when you can connect its activities to meaningful outcomes. More website visits, social media engagement, and enquiries may indicate progress, but they do not automatically mean your business is making more money. To calculate digital marketing return on investment (ROI), compare the revenue generated by marketing with the total cost of producing that revenue. Then examine lead quality, customer acquisition costs, gross profit, and the time required to convert prospects into customers. The basic formula is: Digital Marketing ROI = ((Revenue − Marketing Cost) ÷ Marketing Cost) × 100 For example, if a campaign generates ₹2,00,000 in attributable revenue and costs ₹50,000, its revenue-based ROI is 300%. This calculation assumes the revenue can reasonably be attributed to the campaign. It also does not mean the business earned ₹1,50,000 in profit, because product costs, fulfilment expenses, salaries, and other operating costs may st...