Metric

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

Mathematics
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

Natural sciences

 * 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

Engineering and business
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

Music

 * Alex Metric (born 1984), British musician, DJ and producer
 * Metric (band), a Canadian rock band founded in Toronto, Ontario

Other uses

 * Metre (poetry), the rhythmic structure of poetry
 * Font metrics, properties describing the overall shape of a font