millimetre
SI unit of length equal to one thousandth of a metre
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Summary
millimetre is an unit of length[1]. millimetre ranks in the top 3% of unit of length entities by monthly Wikipedia readership (13,925 views/month).[2]
Key Facts
- Instance of: SI derived unit[3], decimal submultiple of an unit[4], metric unit[5]
- Measured physical quantity: length[6]
- Commons category: Millimetre[7]
- Said to be the same as: milimetr[8]
- Unicode character: ㎜[9]
- Described by source: Great Soviet Encyclopedia (1926–1947)[10]
- Short name: mm[11], мм[12]
- Conversion to SI unit: 0.001 m[13]
- Conversion to standard unit: 0.000001 km[14], 0.0000006213711922373339 miles[15], 0.1 cm[16], 0.0032808 feet[17], 0.039370 inches[18], 0.0010936 yard[19], 0.000000000000000000032408 parsec[20], 0.00000000000000000010570 light-year[21], 0.01 decimetre[22], 39370.08 microinch[23], 1000 micrometre[24], 1,000,000 nanometre[25]
- Wikidata SPARQL query equivalent: wd:Q174789 p:P2370/psn:P2370 [wikibase:quantityAmount ?source; wikibase:quantityUnit ?base]. ?item p:P2370/psn:P2370 [wikibase:quantityAmount ?target; wikibase:quantityUnit ?base]. BIND(?source / ?target as ?value)[26]
- Unit symbol: 公釐[27], মি.মি.[28], mm[29], мм[30], മി.മീ.[31], 毫米[32], مم[33], מ"מ[34]
- Subdivision of this unit: micrometre[35]
Body
Influence
Things named for millimetre include millimetre of mercury[36], an unit of pressure[37].
Why It Matters
millimetre has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[38] millimetre is known by 58 alternative names across languages and contexts.[39]
Entities named for millimetre include millimetre of mercury[36], an unit of pressure[37].