Measurement plays a fundamental part in every profession. Right from developing new products and processes to administering health treatments, measurement helps mankind in numerous ways. One might ponder that What are measurement and measurement units? A measurement is an evaluation of any physical quantity. Everything that we create, design or build uses measurement of physical property and these properties requires units. These measurement units are the earliest tools and is a standardised quantity of a physical property. The measurements most commonly use the International System of Units(SI) as a framework for comparison which defines seven fundamental units out of which other units can be derived.