A basic tutorial for using Position Size Calculator with graphical panel (http://www.earnforex.com/metatrader-indicators/Position-Size-Calculator/). It is a free feature-rich Forex tool for MetaTrader 4 and MetaTrader 5 platforms as a custom indicator. It calculates position size based on: *Entry level *Stop-loss *Risk *Account currency *Current rates It will output the following information: *Position size *Risk-to-reward ratio (when TP is given) *Portfolio risk *Margin requirements