This tool auto-calculates position size based upon account value and percentage risk parameters input by trader. Displays the Entry Price, Stop Loss, Risk-Free Levels and up to 3 optional Price Targets with R-values. If you are serious about trading, then this tool is an essential addition to your Trader Tool-Box. Professionals know the true value of the “Power of Position Sizing”

Further study can be found at this link: Position Sizer RR Tool