Section 5: Base unit of weights and measures.

(1) The base unit of—

(i) length shall be the metre; (ii) mass shall be the kilogram; (iii) time shall be the second; (iv) electric current shall be the ampere;

(v) thermodynamic temperature shall be the kelvin; (vi) luminous intensity shall be the candela; and (vii) amount of substance shall be the mole.

(2) The specifications of the base units mentioned in sub-section (1), derived units and other units shall be such as may be prescribed.