# Monitor fields and exact calculations

Source-linked field declarations, calculations, and sample projections for Client Monitor 4.9.1.

Version coverage: /docs/reference/versions/


This generated reference covers **Client Monitor 4.9.1**, not the latest release. Use it to investigate the documented implementation baseline; check [versions and compatibility](/docs/reference/versions/) before applying a formula to another version.

For a guided explanation, start with [Metrics and missing values](/docs/client-monitor-js/metrics/). The [raw Markdown inventory](/reference/monitor-fields-and-formulas.md) remains available for download and agent use.

{{< monitor-formulas >}}