ROI (return on investment) measures profit as a percentage of total amount wagered. A bettor with $50,000 wagered and $1,500 profit has 3% ROI. Solid long-term sports bettors run 2-5% ROI.
Profit
—
ROI
—
What's a good ROI?
1-2% ROI: average pro. 3-5% ROI: strong pro. 6%+: rare and usually unsustainable. Most recreational bettors run negative ROI long-term.
FAQ
Is this calculator free?
Yes. All our calculators run client-side in your browser. No sign-up, no data sent anywhere, no ads.
Are the calculations accurate?
Yes. We've validated every formula against industry-standard math. The math is the same that pro bettors use.