NONSIALLOWEDUNIT: tonne

Back to Index
  • PID: si:nonsiallowedunit:tonne
  • Definition: A mass equal to 1000 kg
  • Source: SI Brochure 9th Edition, page 145
  • Scaling Factor: 1000 kg
  • Status: Valid
  • Valid: 2019-05-20 -
  • Note: The tonne and its symbol t, were adopted by the CIPM in 1879 (PV, 1879, 41). This unit is sometimes referred to as “metric ton” in some English-speaking countries.
  • Related Definitions
    • hasAllowedNonSIUnitSymbol -> t