Your open rate is 23%, but remember Apple Mail Privacy Protection inflates opens, so lean on your 16.5% click-to-open rate as the truer measure of engagement.
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Email open rate is the share of delivered emails that get opened, and it is the first number most marketers reach for. It is useful, but it is only one of three engagement metrics worth tracking. The calculator above works out your open rate, click-through rate and click-to-open rate together so you can read a campaign properly rather than judging it on opens alone.
Open rate is emails opened divided by emails delivered, times 100. If 2,300 of 10,000 delivered emails were opened, that is a 23% open rate. Use delivered rather than sent so that bounced messages do not drag the figure down.
Two companion metrics tell you what happened after the open. Click-through rate is link clicks divided by emails delivered, so it measures action across your whole audience. Click-to-open rate is clicks divided by opens, so it measures how persuasive your content was to the people who actually opened it. Together the three numbers separate three different things: whether the subject line earned attention, whether the audience took action, and whether the message itself did its job.
There is no single right answer. Good ranges shift by industry, list quality, list size and the kind of email you send, so a number that looks strong for one sender is weak for another. As a loose guide, many senders see open rates somewhere from the low double digits up into the thirties, but that band is wide for a reason.
The bigger caveat is measurement. Apple Mail Privacy Protection pre-loads the tracking pixel for Apple Mail users, which records an open whether or not anyone read the email. Because a large slice of inboxes are affected, reported open rates are inflated and inconsistent from one audience to the next. That makes open rate a soft signal. Click-to-open rate and click-through rate rely on real clicks, so they are harder to game and far more useful for judging a campaign. The most reliable benchmark is your own history: compare this send against your past sends to the same list.
To lift opens, focus on the subject line and preview text, since those are the only things a subscriber sees before deciding. Keep them specific and relevant rather than clever for its own sake, and clean inactive subscribers off your list so your engaged audience is not diluted. Segmentation is the highest-leverage move: when each group gets content that fits where they are, both opens and clicks rise.
To lift clicks, work on the offer and the clarity of your call to action, and test send times against your own data rather than generic best-time charts. Small wording changes can move click-to-open rate, but the durable gains come from making the message genuinely more relevant to the person reading it. If your list growth has stalled, the constraint is often upstream: you need more of the right people finding you in the first place. That is where organic search earns its keep, feeding a steady stream of qualified subscribers into the top of your list.
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