Technique for measuring marketing potential?

Is there any tool or technique for measuring marketing potential?

In order to estimate market potential you need to look into three things:

1.The customer profile of your target market
2.The number of potential buyers or prospects in your target market
3. The estimation of the relative market shares of competitors and a rough estimate of your own company’s market share that you would probably take from them or earn it for your own company.
4.You may also forecast the rate of growth of your product in the market.
5.You can use marketing information system to estimate your market potential.