Free CalculatorWiser tool

Email Open Calculator

Calculate email open by comparing emails opened with emails delivered.

How to use the Email Open Calculator

Calculate email open by comparing emails opened with emails delivered.

Step-by-step instructions

  1. Enter or select Emails opened.
  2. Enter or select Emails delivered.
  3. Tap Calculate.
  4. Review the result shown directly below the calculator.

What the inputs mean

Emails opened
Enter the value requested by this field label.
Emails delivered
Enter the value requested by this field label.

Formula or calculation method

Emails opened is divided by Emails delivered and the result is multiplied by 100 to express the relationship as a percentage.

Example

For example, if Emails opened is 25 and Emails delivered 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.