Tools
Odds calculator
Arithmetic only: convert odds, remove the vig, and see payout and break-even. It never suggests a bet.Convert between American, decimal and implied %, remove the vig from a two-way market, and see what a bet pays and the win rate it needs.
Odds converterType odds in any format to convert them; implied % = the win rate needed to break even.
Type any one; the others follow.
Remove the vigEnter both sides' odds for each side's no-vig implied %: the market's view without its margin, not the true chance.
Enter both sides of a two-way market and see it with the margin taken out.
A 51.1%no-vig implied %48.9% B
- Side A fair chance
- 51.1%
- Side B fair chance
- 48.9%
- Fair prices
- -104 / +104
- Margin (hold)
- 4.71%
Payout and break-evenWhat a winning bet pays and the win rate needed to break even. Arithmetic only.
What a winning bet pays, and the win rate it needs.
- Profit if it wins
- $150.00
- Total returned
- $250.00
- Break-even win rate
- 40.0%
How the math works: What a prop line isNo-vig (fair) oddsReading a hit rateWhat "moved" meansAll terms
These calculators do arithmetic on the numbers you enter. They do not recommend a bet, a side or an amount, and a price with the margin removed is an estimate of the market's view, not the true chance. Data and analytics only, not betting advice: any bet is your own decision, and we are not responsible for losses. 21+ only. Gambling problem? Call or text 1-800-GAMBLER.