1. Enter values
Use consistent units and the requested inputs.
Tracked email opens — Qualifying Event Share Calculator
Calculate qualifying event share for tracked email opens from defined counts. The percentage represents only the explicitly selected qualifying events under that reporting definition. Important: opens recorded by the reporting platform; privacy protections, bots and repeat opens can distort them.
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Instant resultResults and useful breakdowns appear immediately.
Clear contextNotes explain how to interpret the estimate.
open events
open events
Estimated result
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Guide
How to use this calculator
2. Review the result
Use the main result and breakdowns as a planning estimate.
3. Check context
For regulated topics, verify current local rules before acting.
Reviewed calculation details
Tracked email opens — Qualifying Event Share Calculator: method and worked example
What the calculation does
Divide the count meeting your qualifying criterion by the total measured events, then multiply by 100.
Example using the prefilled values
Qualifying opens: 85 open events All measured open events: 100 open events → 85%
How to interpret the result
The percentage represents only the explicitly selected qualifying events under that reporting definition.
Assumptions and limitations
Total must exceed zero and qualifying events must not exceed total. Do not interpret this as an all-purpose efficiency or success KPI. opens recorded by the reporting platform; privacy protections, bots and repeat opens can distort them.
Input
Inputs used by this calculator
Review the values and units used by this calculator before calculating.
Qualifying opensopen eventsAll measured open eventsopen events