**Metric** or **metrical** may refer to:

## Mathematics

- Metric (mathematics), an abstraction of the notion of
*distance*in a metric space - Metric space, a set where a notion of distance between elements of the set is defined
- Pseudometric space, with a metric tensor that is not required to be positive-definite
- Metric tensor, in differential geometry, the distance structure on a manifold

## Science

- Metric tensor (general relativity), the fundamental object of study in general relativity similar to the gravitational field in Newtonian physics
- Schwarzschild metric, a description of the geometry around a special type of black hole

- The metric system of measurement
- International System of Units, or
*Système International*(SI), the modern form of the metric system - Metric tonne, a measurement of mass equal to 1,000 kg

- International System of Units, or
- METRIC a model that uses Landsat satellite data to compute and map evapotranspiration (ET) in climatology/meteorology
- Metrical phonology, a theory of stress or prominence of speech units in linguistics

### Computers and networking

- Metrics (networking), set of properties of a communication path
- Router metrics, 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

## Other uses

- Metric (band), a Canadian indie rock band
- Performance metric, a measure of an organization's activities and performance
- Font metrics, a group of properties describing a font
- Metrical foot, the basic unit of meter that generates a line of verse in most Western traditions of poetry
- Metrecal, a diet drink introduced in the 1960s.