slipmath.

Odds explained · odds-against price

+140 odds: payout and meaning

A plus sign means an odds-against price, the kind usually offered on the underdog. +140 means a $100 bet wins $140.00 in profit and returns $240.00 including your stake.

+140 at a glanceexact math, no bookmaker margin added
American+140
Fractional7/5
Decimal2.40
Implied probability41.67%
$100 wins$140.00
To win $100, stake$71.43

+140 payout chart

StakeProfit if it winsTotal payout
$10$14.00$24.00
$20$28.00$48.00
$25$35.00$60.00
$50$70.00$120.00
$100$140.00$240.00
$200$280.00$480.00
$500$700.00$1,200.00
$1,000$1,400.00$2,400.00

Payout = stake + profit. A losing bet loses the stake; a push (tie, where offered) returns it. In pounds: £100 wins £140.00. Any stake: bet calculator.

How much to bet to win a set amount at +140

To win (profit)Stake needed
$10$7.14
$50$35.71
$100$71.43
$500$357.14

Break-even win rate at +140

The implied probability of +140 is about 41.67% (1 ÷ the exact decimal odds, shown rounded). That is the break-even win rate: if you bet this price many times on win-or-lose bets, you need to win more often than that to come out ahead. Whether a +140 bet is good value depends only on whether your honest estimate of the chance beats that number — the EV calculator does the comparison.

+140 in a parlay

Two +140 legs parlayed combine to decimal odds of 5.76 (+476): a $100 two-leg parlay pays $576.00 if both win. Three legs: decimal ≈ 13.82 (+1282, rounded), paying $1,382.40 on $100. For independent selections from different events, those prices imply a break-even chance of about 7.23% for all three winning — an implied figure that includes each price’s margin, not a forecast; bookmakers may refuse or reprice related selections. Payouts use the exact, unrounded combined odds. Build your own with the parlay calculator.

Compare nearby odds

OddsFractionalDecimalImplied probability$100 wins
+13013/102.3043.48%$130.00
11/811/82.3842.11%$137.50
+1407/52.4041.67%$140.00
+1506/42.5040.00%$150.00
13/813/82.6338.10%$162.50

Full betting odds chart → · How betting odds work · 18+ — odds describe a price, not a prediction or a recommendation to bet.

FAQ

Frequently asked questions

What do +140 odds mean?

A plus sign means an odds-against price, the kind usually offered on the underdog. +140 means a $100 bet wins $140.00 in profit and returns $240.00 including your stake.

How much does a $100 bet at +140 pay?

It wins $140.00 in profit. With your $100 stake back, the total payout is $240.00. A $10 bet wins $14.00.

What is the implied probability of +140?

About 41.67% (rounded): 1 ÷ the exact decimal odds. It is also the win rate you need just to break even at this price over many win-or-lose bets. Bookmaker prices include a margin, so the market’s fair estimate is usually a little lower.

What is +140 in fractional and decimal odds?

Fractional 7/5, and decimal 2.40 (rounded to two places). They describe the same price. The odds converter switches between formats for any value.

Does +140 mean underdog?

Usually, but not by definition. +140 is odds-against: the profit is more than the stake and the price implies under 50%. Who is the favorite depends on the other prices in the market — in a three-way soccer market (home, draw, away) the favorite can be priced odds-against too.