The Position Size Calculator indicator is a new and popular tool for forex traders that can be downloaded for free on the MT4 platform. This helps traders determine the correct position size for their trades based on the account balance, risk tolerance and the currency pair they are trading. The indicator takes into account the stop loss level, pip value and currency pair volatility to ensure that traders do not risk more than they can afford to lose. It is an essential tool for both beginners and experienced traders who want to effectively manage their risks and maximize their potential profits.