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Look up metric or -metric in Wiktionary, the free dictionary.

Metric or metrical may refer to:

Measuring

Metric system, an internationally adopted decimal system of measurement
An adjective indicating relation to measurement in general, or a noun describing a specific type of measurement

In mathematics, metric may refer to one of two related, but distinct concepts:

A function which measures distance between two points in a metric space
A metric tensor, in differential geometry, which allows defining lengths of curves, angles, and distances in a manifold

Metric tensor (general relativity), the fundamental object of study in general relativity, similar to the gravitational field in Newtonian physics
Senses related to measurement:
- Metric system, an internationally adopted decimal system of measurement
- Metric units, units related to a metric system
- International System of Units, or Système International (SI), the most widely used metric system
METRIC, a model that uses Landsat satellite data to compute and map evapotranspiration (ET) in climatology/meteorology

The word metric is often used to mean a descriptive statistic, indicator, or figure of merit used to describe or measure something quantitatively, including:

Performance indicator, a measure of an organization's activities and performance
Metrics (networking), the properties of a communication path used by a router to make routing decisions
Software metric, a measure of some property of a piece of software or its specifications
Reuse metrics, a quantitative indicator of an attribute for software reuse and reusability
Search engine optimization metrics, indicators of a website's organic search potential