Email Marketing ROI Calculator – Revenue per Email Campaign

Why measure email marketing ROI?

Email remains one of the most profitable marketing channels because you reach people who have already chosen to hear from you. But it is only profitable if the money and time you invest produce sales. This calculator turns your list size, sending frequency and campaign results into a clear return on investment. Enter subscribers, emails per month, open rate, click rate, purchase rate, average order value, margin and monthly costs. It shows monthly revenue, net profit, ROI, revenue per email, revenue per subscriber and a step-by-step funnel from sent emails to orders.

How the funnel is calculated

The tool multiplies your subscribers by the emails you send each subscriber to get total emails sent. Opens are a percentage of those emails. Clicks are a percentage of delivered emails, and the click-to-purchase rate converts clicks into orders. Orders multiplied by average order value give revenue, and your profit margin turns revenue into profit. Subtracting your monthly email platform and content costs leaves net profit. Dividing net profit by total costs gives ROI.

Benchmarks to compare with

Averages differ by industry, list quality and email type, so use these only as rough guides. Open rates of 20 to 35 percent are common, although privacy features in mail apps can inflate them. Click rates of 1 to 3 percent of delivered emails are typical for newsletters, while targeted automations such as welcome series and abandoned cart reminders often perform much better. Purchase rates after a click vary widely with the product, price and quality of your landing page.

Ways to improve email ROI

• Build a welcome series that introduces your best products, because new subscribers are the most engaged.
• Segment your list by interest or behaviour so that emails are relevant.
• Use clear subject lines and a single call to action per email.
• Send abandoned-cart and post-purchase emails, which are among the most profitable automations.
• Clean inactive subscribers regularly to improve deliverability and reduce costs.
• Check your sending domain with the Email Deliverability Checker, since emails that reach the spam folder earn nothing.

Common mistakes to avoid

• Treating open rate as the main goal. Revenue and clicks matter more.
• Buying email lists. They damage your reputation and violate the rules of most email providers and laws.
• Sending too many emails without value, which increases unsubscribes.
• Forgetting to include the unsubscribe link and physical address that many laws require.
• Measuring only direct sales and ignoring the value of brand awareness and repeat customers.

Privacy and limits

Your numbers are processed in the browser and stay on your device. The calculator is a model. It uses averages you provide and does not read data from your email platform. Real campaigns vary week by week, so test with a few months of data and update the inputs.

Related tools

Compare channels with the Marketing ROI Calculator, write subject lines with the AI Marketing Toolkit and estimate the cost of winning each customer with the CAC Calculator.