Percent of Unused Resources
Definition
Measure of unused cloud resources, e.g., unattached/orphaned storage volumes, load balancers, EIPS, Network gateways, snapshots.
Formula, as published
Volumes: Pricing Quantity of Unattached Volumes / Total Number of Volumes Number of Snapshots not accessed over a defined period of time / total # of Snapshots EIPS: Quantity of unattached Elastic IPs / Total Elastic IP’s
- Data sources:
- Monitoring Tools
Calculate it
Example values to start with; replace them with yours.
From the FinOps Foundation
More Usage Optimization KPIs
Definition and formula: Percent of Unused Resources, FinOps KPI library, FinOps Foundation, licensed CC BY 4.0, read 16 Oct 2026. Changed: HTML removed, dashes and British spellings changed, formula split from its data sources and examples. The calculator and the notes are Finitizer’s.
Measured once, a KPI is a number. Tracked daily, it is a practice.
Finitizer computes the KPIs your billing data supports every day, by team and product, across AWS and Google Cloud.
See how Finitizer works