Email remains the highest-ROI channel in marketing — averaging roughly $36 back per $1 — but your list's economics are what matter. This calculator walks the full funnel: sends × click rate × conversion rate × order value, against campaign cost, to project revenue and ROI per send.
Email averages ~$36 back per $1 spent across industries
Use it to value list growth too: once you know revenue per send, each subscriber has a concrete monthly value — which tells you what you can afford to pay for acquisition.
Score a subject line before you hit send.
CVR plus revenue-per-visitor in one view.
Correctly encoded campaign URLs from five fields.
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