The metre or meter, is the fundamental unit of length in the International System of Units, which is maintained by the BIPM.

SI base unit, unit of length, unit of measurement, metric unit of measurement

- Aliases
- "m" , "meter" , "metre"
- Alternative Unit, Common Alternative, Optimum Conversion Unit
- foot
- Canonical Unit For
- ▶ is the bust size of , is the inside leg measurement of , is the length denoted by the shoe size , is the collar size of , is the elevation of , …
- Cube
- cubic metre
- Equivalent to
- 3.28083989501312 and foot (0.999999999999999 and metre)
- First Unit of
- metres and centimetres
- Optimum Conversion Unit of
- ▶ foot , Caliber , nautical mile , micrometre , kilometre , …
- Square
- square metre
- Start Point
- 0
- The Canonical Unit For The Class
- length
- Unit of
- the metric system