The millimeter is the standard unit of measure used for linear dimensions on metric drawings.

Standard Unit

A predefined and universally accepted quantity used for measurement and comparison, such as meters, liters, or kilograms.

Linear Dimensions

Measurements related to length, width, or height that define the size of an object in one direction.

Metric Drawings

Technical drawings using the metric system for dimensions and measurements, typically including millimeters (mm), centimeters (cm), or meters (m).