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Feature Usage Depth

The average number of distinct core features used per active user in a period, indicating how broadly users engage with the product beyond a single use case.

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Business Question Answered

“Are users relying on the whole product, or just one narrow feature?”

What This Tells You

Breadth of product engagement, a strong predictor of switching cost and retention.

What It Does Not Tell You

Which features are actually driving retention versus incidental exploration.

Formula & Example Calculation

Sum of Distinct Core Features Used (across all active users) / Number of Active Users

Numerator

Sum of Distinct Core Features Used across active users

Denominator

Number of Active Users

Example

20,000 active users collectively use 64,000 distinct core-feature instances. Usage Depth = 64,000 / 20,000 = 3.2 features/user.

Recommended Dimensions & Segments

Plan tierTenure cohortSegment

Recommended visualization: Distribution histogram of features-used-per-user

Technical Implementation Notes

Define the fixed list of 'core features' up front (usually 5–12) so the metric doesn't inflate as minor UI elements get counted as 'features'.

Data Quality Checks

Re-validate the core feature list annually as the product evolves

Common Pitfalls

Counting every UI interaction as a 'feature', which inflates the metric and makes it meaningless

AI Explanation

Get a conversational, stakeholder-friendly explanation of this KPI, generated on demand.

Metadata

Funnel StageEngagement

Owner RoleProduct Manager

CadenceMonthly

Data Sources

Product Analytics