The millimeter is a unit of length equal to one thousandth of a meter. It is widely used in technical and precision work.
The millimeter became especially important as manufacturing and engineering required tighter tolerances and repeatable precision.
Measurement system: International System of Units (SI, subunit). SI equivalent: 1 mm = 0.001 m.
Millimeter facts
- Unit name
- Millimeter
- Symbol
- mm
- Category
- Length
- Measurement system
- International System of Units (SI, subunit)
- SI equivalent
- 1 mm = 0.001 m
- Common uses
- Mechanical production, technical drawing and machining tolerances
Definition of the millimeter
The millimeter is a unit of length equal to one thousandth of a meter. It is widely used in technical and precision work.
Measurement system and SI relationship
International System of Units (SI, subunit)
SI equivalent: 1 mm = 0.001 m
History of the millimeter
The millimeter became especially important as manufacturing and engineering required tighter tolerances and repeatable precision.
Where is the millimeter used?
Mechanical production, technical drawing and machining tolerances