Metric

See:

• International System of Units, colloquially called the Metric System, and also metrication.
• Software metric.
• metric (mathematics) in a Metric space is a mathematical abstraction of the notion of distance.
• Metric tensor.
• Normed vector space.
• Metric and metrical refer to the topic treated in meter (music) or to that treated in meter (poetry).
• Metric (band).