Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Betting Odds
Kelly Criterion Calculator
Calculates the mathematically optimal percentage of your bankroll to wager on a positive-EV bet using the Kelly Criterion, with optional fractional Kelly for reduced variance. Use it to maximize long-run growth while controlling ruin risk.
Fill in the required fields to see your result.
Betting Odds
Bankroll Management Calculator
Project how your betting bankroll grows over time given your win rate, average odds, and staking percentage. Use it to test whether your staking strategy is sustainable before risking real money.
Fill in the required fields to see your result.
Key differences
| Kelly Criterion Calculator | Bankroll Management Calculator | |
|---|---|---|
| Category | Betting Odds | Betting Odds |
| Inputs required | 4 | 5 |
| Result | Optimal Bet Size ($) | Projected Bankroll ($) |
| What it does | Calculates the mathematically optimal percentage of your bankroll to wager on a positive-EV bet using the Kelly Criterion, with optional fractional Kelly for reduced variance. Use it to maximize long-run growth while controlling ruin risk. | Project how your betting bankroll grows over time given your win rate, average odds, and staking percentage. Use it to test whether your staking strategy is sustainable before risking real money. |