American to Decimal Odds Converter
Convert American odds to decimal, fractional, and implied probability with payout calculations
About this calculator
The American to Decimal Odds Converter transforms American odds (like +150 or -200) into decimal format, fractional odds, and implied probability percentages. This tool is essential for bettors who want to compare odds across different sportsbooks, calculate potential payouts, and understand the true probability of outcomes. Whether you're analyzing positive or negative American odds, this converter provides instant conversions to help you make more informed betting decisions and better understand the value of your wagers.
How to use
Enter your American odds in the input field (include the + or - sign). The calculator will automatically convert them to decimal odds, fractional odds, and show the implied probability percentage. You can also enter a stake amount to see your potential payout and profit calculations.
Frequently asked questions
What's the difference between positive and negative American odds?
Positive odds show profit on a $100 bet, while negative odds show how much you need to bet to win $100.
Why convert American odds to decimal format?
Decimal odds are easier to calculate payouts with and commonly used by international sportsbooks for comparison shopping.
What does implied probability tell me?
Implied probability shows the likelihood of an outcome based on the odds, helping you assess betting value.