(Reguidit frae Tonnes)

The tonne (SI seembol: t) is a metric seestem unit o mass equal tae 1,000 kilogram (2,204.6 pound) or 1 megagram (1 Mg). It is a non-SI unit acceptit for uise wi SI.[1][2] Tae avoid confusion wi the much smawer short ton an the slichtly lairger lang ton, it is an aa kent as a metric ton in the Unitit States.[3]


  1. The International System of Units (SI) (PDF), 8th Edition, 2006, Section 4.1
  2. Table 6. BIPM. Retrieved on 2011-07-10.
  3. "Metric System of Measurement: Interpretation of the International System of Units for the United States" (PDF). Federal Register. 63 (144): 40333–40340. July 28, 1998. 63 FR 40333.