{"pid":"https://si-digital-framework.org/SI/units/tonne","unitId":"tonne","label":"tonne","symbol":"t","unitType":"Non-SI unit accepted for use with the SI","unitTypeId":"https://si-digital-framework.org/SI#nonSIUnit","hasPreviousDefinition":false,"prefixRestriction":true,"unitQuantities":[{"code":"MASS","label":"mass"}],"strExpressionInOtherSIUnits":"1000 . kg"}