# tonne

> metric unit of mass equivalent to 1000 kilograms

**Wikidata**: [Q191118](https://www.wikidata.org/wiki/Q191118)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tonne)  
**Source**: https://4ort.xyz/entity/tonne


## References

1. ISO 80000-1:2009 Quantities and units—Part 1: General
2. Logopedia
3. SI Brochure (9th edition): Concise summary
4. GF WordNet
5. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)