Step-by-step instructions
- Enter or select Unique opens.
- Enter or select Delivered emails.
- Tap Calculate.
- Review the result shown directly below the calculator.
Email Open Rate Calculator
Calculate email opens as a percentage of delivered messages.
How to use the Email Open Rate Calculator
Calculate email opens as a percentage of delivered messages.
What the inputs mean
- Unique opens
- Enter the value requested by this field label.
- Delivered emails
- Enter the value requested by this field label.
Formula or calculation method
Unique opens is divided by Delivered emails and the result is multiplied by 100 to express the relationship as a percentage.
Example
For example, if Unique opens is 25 and Delivered emails is 100, the calculated result is 25%.
How to understand the result
The result is a percentage. A higher or lower percentage has different meaning depending on the calculator, so compare it with the goal, limit, benchmark, or historical value relevant to your situation.
Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.