To calculate the PEG ratio, an investor or analyst needs to either look up or calculate the P/E ratio of the company in question. The P/E ratio is calculated as the price per share of the company divided by the earnings per share (EPS), or price per share / EPS.

How do you measure one peg?

A peg is a unit of volume, typically used to measure amounts of liquor in the Indian subcontinent. The terms "large (badda)peg" and "small(chota)peg" are , equal to 60 ml and 30 ml, respectively, with "peg" alone simply referring to a 60 ml peg.

How many ml is a peg?

A peg is used to measure the amount of liquor. It is like a unit and like all measurements, the unit is important here as well. A large peg or small peg is indicated by the amount of liquor you have in your glass. 60 ml is known as a large peg, whereas 30 ml is a small one.