This script calculates how much cryptos or dollars you have to bet with 4 variables : Risk Loss [$], Leverage, Entry and Stop Loss.
When you want to open a position, just complete the parameters and the script will tell you how much you have to bet in dollars or cryptos units, depending the way you're trading.
Note : don't foreget that you have to pay fees on exchanges whose are not included here, specially with high leverage trades.