Decimal odds express the total payout per $1 staked, including the return of your stake. A line of 2.50 means a $100 bet returns $250 ($150 profit). To convert from American: +150 = 2.50; -150 = 1.667.
Basics
Decimal odds
The European format. Multiply your stake by the decimal to get total return (stake + profit).
Example
1.91 decimal is roughly -110 American — the standard "juice" price on most sides and totals.