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tonne

metric unit of mass equivalent to 1000 kilograms
Intangible unit_of_mass Q191118
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Summary

tonne is an unit of mass[1]. tonne ranks in the top 4% of unit of mass entities by monthly Wikipedia readership (6,308 views/month).[2]

Key Facts

  • Instance of: SI-accepted non-SI unit[3], UCUM derived unit[4], non-SI unit mentioned in and accepted with the SI[5]
  • Measured physical quantity: mass[6]
  • Subclass of: Chiliad[7]
  • Commons category: Tonne[8]
  • Said to be the same as: megagram[9]
  • Has part(s): kilogram[10]
  • Described by source: Otto's encyclopedia[11], Meyers Konversations-Lexikon, 4th edition (1885–1890)[12]
  • Different from: Tonne (Stück)[13], ton[14], Tonne[15]
  • Conversion to SI unit: 1000 kg[16]
  • Conversion to standard unit: 1000 kg[17], 2204.623 pounds[18], 35273.96 ounce[19], 157.473 Stone (unit)[20], 1,000,000 g[21], 5,000,000 carat[22], 1,000,000,000 milligram[23], 1,000,000,000,000 microgram[24], 0.9842065 long ton[25], 1.102311 short ton[26], 22.04623 short hundredweight[27], 19.68413 long hundredweight[28], 2679.229 troy pound[29], 32150.75 troy ounce[30]
  • Wikidata SPARQL query equivalent: wd:Q191118 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)[31]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[32]
  • Unit symbol: t[33], т[34], طن[35], MT[36]
  • Subdivision of this unit: quintal[37]

Body

Influence

Things named for tonne include tonne of oil equivalent[38], an unit of energy[39].

Why It Matters

tonne has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[40] tonne is known by 87 alternative names across languages and contexts.[41]

Entities named for tonne include tonne of oil equivalent[38], an unit of energy[39].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . ISO 80000-1:2009 Quantities and units—Part 1: General. wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . wikidata.org.
  29. [31] ↑ . wikidata.org.
  30. [32] ↑ . wikidata.org.
  31. [33] ↑ . Logopedia. wikidata.org.
  32. [34] ↑ . wikidata.org.
  33. [35] ↑ . wikidata.org.
  34. [36] ↑ . wikidata.org.
  35. [37] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [38] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [39] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [40] ↑ . Wikidata sitelinks. wikidata.org.
  3. [41] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). tonne. Retrieved October 11, 2026, from https://4ort.xyz/entity/tonne
MLA “tonne.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/tonne.
BibTeX @misc{4ortxyz_tonne_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{tonne}}, year = {2026}, url = {https://4ort.xyz/entity/tonne}, note = {Accessed: 2026-10-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): tonne — https://4ort.xyz/entity/tonne (retrieved 2026-10-11)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 21w ago · Mahir256 · 2026-05-17 view diff on Wikidata ↗
    Measured physical quantity → mass
    Conversion to standard unit → {'unit': 'Q11570', 'amount': '+1000'}, {'unit': 'Q100995', 'amount': '+2204.623'}, {'unit': 'Q48013', 'amount': '+35273.96'} +14
    Conversion to si unit → {'unit': 'Q11570', 'amount': '+1000'}
    Instance of → unit of mass, SI-accepted non-SI unit, UCUM derived unit +1
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||ar, gl, af */ Cleanup: normalize text ([[User:Difool/WikidataCleanup]])"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.