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Email CTOR Calculator
Click-to-open rate — how compelling the content was to those who opened.
Inputs
Result
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Not enough data to calculate this metric — fill in every input above.
Formula: CTOR = (Clicks ÷ Opens) × 100
Example: 900 ÷ 6,000 × 100 = 15%
Common mistakes
- • Using CTOR to judge subject lines — that's the open rate's job.
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