Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Betting Odds
American to Decimal Odds Converter
Convert American moneyline odds (e.g. +150 or -110) into decimal odds, fractional odds, and implied probability. Use this when comparing lines across sportsbooks or calculating exact payouts for a bet.
Fill in the required fields to see your result.
Betting Odds
Kelly Criterion Betting Calculator
Calculate the mathematically optimal fraction of your bankroll to wager on a bet using the Kelly Criterion. Ideal for bettors who want to maximize long-term bankroll growth while avoiding ruin.
Fill in the required fields to see your result.
Key differences
| American to Decimal Odds Converter | Kelly Criterion Betting Calculator | |
|---|---|---|
| Category | Betting Odds | Betting Odds |
| Inputs required | 2 | 4 |
| Result | Total Payout ($) | Optimal Bet Size ($) |
| What it does | Convert American moneyline odds (e.g. +150 or -110) into decimal odds, fractional odds, and implied probability. Use this when comparing lines across sportsbooks or calculating exact payouts for a bet. | Calculate the mathematically optimal fraction of your bankroll to wager on a bet using the Kelly Criterion. Ideal for bettors who want to maximize long-term bankroll growth while avoiding ruin. |