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Free tool

Email click-through calculator

Calculate your click-to-open rate and compare it against benchmarks to measure real engagement.

Free · No signup · Runs in your browser
CTOR / inputclicksfig.
CTOR / resultratefig.
15.83%
Click-to-open rate
38 of 240 openers clicked
Good
CTOR = clicks ÷ opens × 100
TierCTORWhat it means
Excellent20%+Highly relevant offer and a strong, single CTA.
Good← YOU15–20%Engaged readers acting on your message.
Average10–15%Typical — tighten the CTA and copy.
Needs work< 10%Reduce links, sharpen the ask, match intent.
Benchmarks

Clicks tell you what opens can't

01

Clicks ÷ opens

Click-to-open rate (CTOR) measures how many openers acted — the truest read on message relevance.

02

One clear CTA

The highest CTORs come from a single, obvious call to action that matches the reader's intent.

03

CTR vs. CTOR

CTR uses sent as the base; CTOR uses opens. CTOR isolates message quality from deliverability.

FAQ4 entries

CTR Calculator — FAQ

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CTOR = (clicks ÷ opens) × 100. It measures how compelling your message was to the people who actually opened it.

10–15% is average, 15–20% is good, and 20%+ is excellent — usually driven by a single strong CTA and tight message-to-audience fit.

Use one clear CTA, reduce competing links, match the offer to the reader's intent, and keep the copy short and scannable.

Track both: CTR (clicks ÷ sent) for overall campaign output, CTOR (clicks ÷ opens) to judge message quality independent of deliverability.

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