Email Marketing

Re-Engagement Rate

Percentage of inactive users re-engaged by a campaign. A clear definition lets different teams calculate the result from audiences, visits, messages, and marketing actions without changing what is included.

Business context

Why Re-Engagement Rate matters

Movement in Re-Engagement Rate should prompt a check of the underlying volume, mix, timing, and data coverage before the team attributes the change to performance.

Business question
How is Re-Engagement Rate changing, and which operating segments explain that movement?
Teams that use it
Marketing, growth, channel, content, and commercial analytics teams.
Decisions it supports
Channel investment, campaign optimisation, audience strategy, creative testing, and conversion improvement.
Calculation

Re-Engagement Rate formula

(Re-Engaged Users ÷ Total Inactive Users) × 100

Formula components

Engaged Users
Elapsed time measured with one start event, end event, unit, and treatment of incomplete records.
Inactive Users
The consistently counted inactive users included in the metric’s documented population and period.
Reporting period
The consistent day, week, month, quarter, or year covered by every input.

How to calculate Re-Engagement Rate

  1. Define the business scope, reporting period, and the event or status that qualifies for Re-Engagement Rate.
  2. Collect each input in the workbook formula from systems that use the same cut-off and unit.
  3. Remove duplicates and exclusions according to the documented rule, while retaining a reconciliation count.
  4. Apply (Re-Engaged Users ÷ Total Inactive Users) × 100 and label the result with its period, unit, and relevant segment.
Worked example

Re-Engagement Rate example

A fictional digital marketing team calculates Re-Engagement Rate for one agreed reporting period.

  1. Engaged Users = 77.
  2. Inactive Users = 800.
  3. Re-Engagement Rate = 77 ÷ 800 × 100 = 9.6%.

Re-Engagement Rate is 9.6%.

About 9.6 in every 100 eligible units meet the metric’s stated condition.

How to interpret the result

Compare Re-Engagement Rate over a consistent cadence and break it down only by segments large enough to support a decision. Review the formula inputs beside the result so teams can distinguish a real operating shift from a denominator or mix effect.

There is no single target that fits every organisation. Interpretation depends on channel, audience, campaign objective, placement, geography, attribution rule, and measurement window. Document the comparison group before labelling a result strong or weak.

Common mistakes and limitations

Inconsistent scope
Changing the included business units, products, channels, or populations makes the trend look different even when underlying performance is unchanged.
Mismatched periods
Formula inputs from different cut-off dates or time windows do not describe one coherent result.
Ignoring response and scoring bias
Changes in who responded, how the question was presented, or how weights were applied can move the score without an equivalent experience change.
Assuming one universal target
A useful comparison depends on channel, audience, campaign objective, placement, geography, attribution rule, and measurement window; use like-for-like internal trends and clearly documented peer groups.

Turn metric definitions into answers your team can use.

Vizma helps teams understand and track business metrics using their data. Bring your Re-Engagement Rate definition, underlying data, and reporting questions to a Vizma demo.