Email List Value Calculator
Find out what your email list is worth. Calculate total annual value, monthly value, and revenue per 1,000 subscribers.
Enter Your Data
Total active subscribers
Total revenue from email last 12 months
Your List Value
Total Annual List Value
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Per year
Monthly List Value
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Per month
Revenue Per Subscriber
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Per subscriber / year
Value Per 1,000 Subscribers
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Your RPM (revenue per mille)
Revenue Per Subscriber Benchmarks
The common industry estimate is "£1 per subscriber per month" — but this varies enormously by business type, list engagement, and email strategy.
E-commerce
£1–£5/yr
Average engaged list
B2B SaaS
£20–£100/yr
Nurtured prospects
Media / Newsletter
£3–£30/yr
Monetised audience
How Email List Value is Calculated
Revenue Per Subscriber (RPS) = Annual Email Revenue ÷ List Size
Total List Value = List Size × RPS
Monthly Value = Total Annual Value ÷ 12
Value Per 1,000 = RPS × 1,000
This is an annualised view. Revenue should include all email-attributed sales across the period. Use UTM parameters or last-click attribution from your email platform for best accuracy.
What Is Your Email List Actually Worth?
Your email list is one of the most valuable owned marketing assets your business has. Unlike social media followers or paid ad audiences, your email list is yours — it can't be taken away by algorithm changes, platform shutdowns, or advertising cost inflation. Knowing the monetary value of your list helps you justify investment in list building, set acquisition cost targets, and make the case for email marketing internally.
The common industry rule of thumb — £1 per subscriber per month, or £12 per subscriber per year — is a rough benchmark that works reasonably well for engaged, monetised lists in consumer categories. In practice, B2B lists and niche professional audiences are often worth significantly more per subscriber, while large, partially engaged lists may generate considerably less. The metric that matters is your own: measuring revenue per subscriber based on actual attributed revenue gives you a number that's specific to your business model and list quality.
Why List Size Alone Is Misleading
A list of 100,000 disengaged subscribers who haven't opened an email in two years is worth far less than a tight, highly engaged list of 5,000. Deliverability, open rates, and conversion rates all feed into revenue per subscriber. A clean, active list that generates £10 per subscriber per year is more valuable than a bloated list that generates £0.50. This is why list hygiene and engagement-based pruning are so important — you maintain or increase list value while reducing send costs.
How to Increase Email List Value
Increasing email list value comes from two directions: improving monetisation per subscriber and growing the list with high-quality subscribers. On the monetisation side, better segmentation means sending more relevant offers to each subscriber, increasing conversion rates and average order values. Automation sequences — welcome series, abandoned cart, post-purchase — capture revenue that would otherwise be missed with broadcast-only sending. On the acquisition side, focusing on traffic sources and signup incentives that attract buyers rather than freebie seekers produces subscribers with higher lifetime value from day one.