LineMath

What Does -240 Mean in Betting?

-240 means you must bet $240.00 to win $100 in profit. A winning $240.00 bet returns $340.00 — your stake plus $100.

-240 in every format

American
-240
Decimal
1.42
Fractional
5/12
Implied win %
70.59%

-240 payout table

StakeProfit if it winsTotal payout
$10.00$4.17$14.17
$25.00$10.42$35.42
$50.00$20.83$70.83
$100.00$41.67$141.67
$250.00$104.17$354.17

What win rate does -240 need?

To break even at -240 you have to win 70.59% of your bets. Over 100 flat-stake bets that means at least 71 wins to be in profit. Favorites win often but pay less than they risk, so the break-even rate is above 50%.

-240 in a parlay

Parlay legs multiply. Two legs at -240 combine to +101 — a $100 bet pays $200.69 — and three legs combine to +184, paying $284.32. All legs must win.

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Frequently asked questions

How much do you win on a $100 bet at -240?

A $100 bet at -240 wins $41.67 in profit and returns $141.67 in total, including your stake.

What win rate do you need to break even at -240?

70.59%. Over 100 bets at -240 you need at least 71 wins to finish in profit, assuming flat stakes.

Is -240 a favorite or an underdog?

-240 is the favorite's price: the negative number means the sportsbook thinks this side is more likely to win than not.

What are -240 odds in decimal and fractional?

-240 is 1.42 in decimal odds and 5/12 in fractional odds.