ROI calculator
Instructions:
The tool calculates your personal ROI (both gross and net). You have to enter your total stake in the field "Total Stake" and your total return in the field "Total Return" then simply press "Calculate" and the tool will calculate your ROI. You can use this for your last bet/s or for larger period of time.
The tool on the right calculates your result based on winning and losing bets in percentages. Simply enter the picks you have won in the field "Won" and the picks you have lost in the field "Lost" and then press calculate.
Everything about this calculator you can read here: What is Return on invesment
Note - all the odds you enters should be like 2.50 (with fullstop not with comma)