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+140 Odds Explained

Decimal
2.40
American
+140
Fractional
7/5
Implied probability
41.67%
Polymarket
42¢
$100 wins
140.00
Inputs
Results
Decimal odds2.400
American
+140
Fractional
7/5
Implied probability
41.67%
Polymarket
42¢
Profit
140.00
Total return
240.00

2.400 decimal, +140 American, 41.67% implied probability

+140 is an American price:

the plus sign marks an underdog, and the number is the profit on a 100 stake

. Every other format describes the same chance: 2.40 decimal, 7/5 fractional, 41.67% implied probability, 42¢ on Polymarket.

What +140 pays

A 100 stake at +140 returns 240.00 in total: your 100 back plus 140.00 profit. To win exactly 100 you would stake 71.43. The table covers the stakes people actually use.

Payout by stake
StakeProfitTotal return
1014.0024.00
2535.0060.00
5070.00120.00
100140.00240.00
500700.001,200.00
1,0001,400.002,400.00

Break-even and long-run results

The implied probability of +140 is 41.67%, and that number is also the break-even win rate: win more often than 41.67% of the time at this price and you profit in the long run, win less often and you lose. The table shows the return on stake at a few win rates, including the break-even rate itself.

Return on stake by long-run win rate
Win rateReturn on stake
42%0.8%
50%20.0%
55%32.0%
60%44.0%
65%56.0%

+140 is an underdog price: the bookmaker gives this outcome an implied chance of 41.67%, and the payout of 140.00 on 100 reflects it. Underdogs in this band are where public money and bookmaker margin often disagree, so it pays to compare prices across books before taking one.

The vig at +140

If both sides of a two-way market were priced at +140, the implied probabilities would add up to -16.67% above 100%. That excess is the overround, or vig; as a share of stakes it is a -20.00% margin for the bookmaker. Removing it leaves fair odds of 2.00 decimal ( +100) on each side. Use the devig calculator to do the same for any market.

+140 on a betting exchange

Exchanges charge commission on net winnings, so the price you see is not the price you get. At 2% commission +140 is worth 2.372 decimal (+137 American); at 5% it drops to 2.330 (+133). Those are the bookmaker prices you would need to beat.

Effective odds on an exchange
CommissionEffective decimalEffective AmericanBreak-even
2%2.372+13742.16%
5%2.330+13342.92%

Same price in other formats

Same price in other formats

Nearby prices

Nearby prices

  • +130 · 2.30 · 43.5%
  • +135 · 2.35 · 42.6%
  • +138 · 2.38 · 42.0%
  • +139 · 2.39 · 41.8%
  • +141 · 2.41 · 41.5%
  • +142 · 2.42 · 41.3%
  • +145 · 2.45 · 40.8%
  • +150 · 2.50 · 40.0%

Frequently asked questions

What does +140 mean in betting?

+140 is an American price. Positive numbers show the profit on a 100 stake; negative numbers show the stake needed to win 100. At +140 the implied probability is 41.67% and a 100 stake returns 240.00.

What is +140 in decimal odds?

+140 converts to 2.400 in decimal odds (usually shown as 2.40). Decimal odds are the total return per unit staked, so multiply your stake by 2.400 to get the return.

What is +140 as a fraction?

+140 is 7/5 in fractional odds, the traditional bookmaker notation where the top number is profit and the bottom number is stake.

How much do I win on a 100 bet at +140?

A 100 stake at +140 wins 140.00 in profit and returns 240.00 including the stake. To win exactly 100 you would stake 71.43.

What win rate do I need at +140?

The break-even win rate equals the implied probability, 41.67%. Winning more often than that at this price is profitable over the long run; winning less often loses money.