Basic Units тАУ The seven SI base units, which are comprised of: (i) Mass тАУ kilogram (kg) (ii) Length тАУ meter (m) (iii) Time тАУ second (s) (iv) Electric current тАУ ampere (A) (v) Temperature тАУ kelvin (K) (vi) Luminous intensity тАУ candela (cd) (vii) Amount of substance тАУ mole (mole)