Physical Quantities

1. A physical quantity is a quantity that can be measured.
2. A physical quantity can be divided into base quantity and derived quantity.

Base Quantities

1. Base quantities are the quantities that are conventionally accepted as functionally independent of one another.
2. It is a quantity that cannot be defined in term of other physical quantity.
3. The base quantities and its units are as in the table below:

External Link
Definition of SI Base and Derived Unit

Interactive Animation