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Email Marketing ROI Calculator

Email ROI plus revenue per email sent and per subscriber.

Campaign cost should include your email platform fees, any design or copy work, and paid list growth if you want it counted.

Email marketing ROI

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Net profit—
Revenue per email sent—
Revenue per subscriber—

Quick Tool Overview

The Email Marketing ROI Calculator turns campaign cost and revenue into an ROI percentage, and breaks it down into revenue per email sent and revenue per subscriber.

What it does
Calculates email ROI and per-subscriber value
You give it
Campaign cost, revenue, emails sent and list size
You get back
ROI %, net profit, revenue per email and per subscriber
Best for
Tracking whether a growing list is getting more valuable
Marketing Tools Free, unlimited use No sign-up Runs in your browser

About the Email Marketing ROI Calculator

Email routinely reports the highest ROI of any marketing channel, largely because the marginal cost of sending to one more subscriber is close to nothing. That makes the headline percentage easy to inflate — and makes revenue per subscriber the more useful number to watch over time.

Enter what the campaign cost, including your platform fee and the hours spent building it, along with the revenue it generated, how many emails went out and how large the list is. You get ROI as a percentage, net profit, and return per unit of currency spent.

It also breaks out revenue per email sent and revenue per subscriber — the two figures that reveal whether a growing list is actually getting more valuable or simply getting larger.

Key features of the Email Marketing ROI Calculator

Per-subscriber value

The figure that reveals list quality, not just list size.

Revenue per email sent

Useful when you send to segments rather than the whole list.

Net profit alongside ROI

A huge percentage on a tiny base is easy to spot.

Formula shown

Every step is written out with your own numbers in it.

How to use the Email Marketing ROI Calculator

  1. 1

    Enter campaign cost

    Platform fees, design, and the hours spent building the campaign.

  2. 2

    Enter revenue generated

    The revenue you can attribute to the send.

  3. 3

    Add emails sent and list size

    These unlock revenue per email and per subscriber.

  4. 4

    Read the ROI

    Percentage, net profit and per-subscriber value, with the working shown.

Frequently asked questions

ROI = (Revenue − Campaign cost) ÷ Campaign cost × 100. A campaign costing 500 that generated 6,000 in revenue has an ROI of 1,100%.

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