How to Calculate a Betting Payout Before Placing a Bet

Published on Reading Time 10 Mins Categories Betting Odds
How to Calculate a Betting Payout Before Placing a Bet
Profit vs. Total Return

A bet slip shows a $50 stake at +150. The profit is $75, calculated as $50 × 1.50. If the bet wins, the sportsbook also returns the $50 stake, making the total return $125.

That distinction matters when sizing a wager. “To win” usually means profit only, while “potential payout” or “returns” often includes the original stake—but sportsbook labels can vary. Treating $75 as the full return makes the post-bet bankroll appear $50 smaller than it would be. Before confirming, check whether the displayed figure includes the stake.

Key Distinctions

The Market Sets the Win; the Price Sets the Payout

Posted price

The American odds shown when the wager is accepted determine potential profit. The same payout math applies to moneylines, point spreads, totals and props; see how betting prices translate into payouts for the core formulas.

Betting market

The market determines what must happen for the bet to win. A moneyline requires the selected side to win, while a spread, over/under or prop has its own grading condition.

Profit

Profit is the amount won above the original stake, calculated from the posted odds.

Total return

Total return combines the profit and the returned stake. Sportsbook bet slips may label this figure “payout” or “potential payout.”

Vig or juice

The sportsbook’s margin is generally built into the odds—commonly visible in prices such as -110—not subtracted as a separate fee after settlement. A winning wager pays according to its accepted price.

Positive odds

Calculate positive-odds payouts

Convert the posted price into profit, then add the original stake.

Positive American odds state the profit on a $100 winning wager. At +150, every $100 risked earns $150 in profit. The original $100 stake is also returned, making the total return $250.

Profit = Stake × (positive odds ÷ 100)
Total return = Stake + profit

Example: $50 at +150

  1. Convert +150 to a multiplier: 150 ÷ 100 = 1.50.
  2. Multiply by the stake: $50 × 1.50 = $75 profit.
  3. Add the original stake: $50 + $75 = $125 total return.

The payout scales proportionally. A stake half as large as $100 produces half the $150 profit; a stake twice as large produces twice the profit.

Example: $30 at +220

  1. Convert the odds: 220 ÷ 100 = 2.20.
  2. Calculate profit: $30 × 2.20 = $66.
  3. Add the stake: $66 + $30 = $96 total return.

Some sportsbooks use “payout” to mean total return, while others emphasize potential profit. Checking both figures on the bet slip prevents confusion before the wager is submitted.

Calculate negative-odds payouts

Use the odds’ absolute value to find the profit and total return.

Negative American odds show how much must be wagered to make $100 in profit. For the calculation, drop the minus sign and use the absolute odds value:

Profit = Stake × (100 ÷ Absolute odds)

Total return = Stake + Profit

Example: $110 at -110

For a $110 point spread wager at -110:

  • Profit: $110 × (100 ÷ 110) = $100
  • Total return: $110 + $100 = $210

The $210 payout includes the original $110 stake. Only $100 is profit.

Example: $25 at -110

The same formula works when the stake does not match the odds:

  • Profit: $25 × (100 ÷ 110) = $22.73
  • Total return: $25 + $22.73 = $47.73

Sportsbooks may round payouts to the nearest cent.

A less negative price pays more for the same stake. At -105, a $25 wager returns $23.81 in profit, compared with $22.73 at -110. That $1.08 difference explains how -110 differs from -105: less juice leaves more potential profit with the bettor, assuming the wager wins.

Payout check

Separate profit from total return

The stake is the amount risked. Profit is the amount won above that stake, while total return is the full amount credited after a win.

American odds Stake Profit Total return
+200 $40 $80 $120
-125 $40 $32 $72
-110 $55 $50 $105

Positive odds can produce profit greater than the stake; negative odds produce less profit than the amount risked. In either case, the standard formula is:

Total return = stake + profit

To reverse-check a sportsbook’s displayed potential return, subtract the stake:

Displayed return − stake = implied profit

For example, a $72 displayed return on a $40 wager implies $32 profit. That matches a -125 calculation: $40 × (100 ÷ 125) = $32.

Bonus bets may work differently

With many bonus bets, the promotional stake is not returned after a win. Check the sportsbook’s current terms before verifying the displayed payout.

Decimal odds

Use decimal odds as a return shortcut

Decimal odds show the total-return multiplier, so the calculation requires one multiplication:

Stake × decimal odds = total return

Then subtract the stake to isolate profit:

Total return − stake = profit

For example, American odds of +135 convert to 2.35 decimal. A $40 wager returns $94 in total ($40 × 2.35), leaving $54 profit after the $40 stake is removed.

Negative prices use a different American-to-decimal odds conversion. At -120, the calculation is 1 + (100 ÷ 120), producing 1.8333… decimal. Sportsbooks typically display that price as 1.83.

Using the unrounded conversion, a $50 wager returns about $91.67, including $41.67 profit. Multiplying by the displayed 1.83 instead gives $91.50. That small difference comes from rounding; sportsbook settlement may use greater precision than the odds shown on screen. For that reason, hand calculations should be treated as close estimates when converted odds contain repeating decimals.

Worked example

Calculate a two-leg parlay payout

  1. Convert each leg to decimal odds

    Suppose a $25 parlay includes one leg at +120 and another at -110. +120 converts to 2.20, while -110 converts to 1.9091.

  2. Multiply the decimal prices

    Calculate 2.20 × 1.9091 = 4.20. Parlay prices are multiplied because the full return from the first winning leg effectively rolls into the second.

  3. Calculate the total return

    Multiply the $25 stake by the combined decimal price: $25 × 4.20 = $105 total return.

  4. Subtract the original stake

    The profit is $105 − $25 = $80. The remaining $25 is the returned stake.

  5. Avoid adding each leg’s profit

    Calculating each leg separately and adding the profits produces the wrong payout. Also, same-game parlays and other correlated combinations may receive sportsbook-generated pricing, so the displayed parlay odds should be used instead of multiplying standalone lines.

Minor differences can occur when converted odds are rounded. Check the sportsbook’s final listed price before submitting the wager.

Adjust for special settlement rules

A push occurs when the result lands exactly on the betting line, such as a three-point favorite winning by three. A straight-bet push normally returns the original stake with no profit. A voided straight wager is generally handled the same way.

In a parlay, a pushed or voided leg is usually removed and the payout is recalculated using the remaining legs. A two-leg parlay may therefore become a straight bet; if every leg is removed, the stake is typically refunded.

Odds boosts replace the standard price with enhanced odds, but wager limits, eligible markets, and maximum winnings may apply. Calculate using the boosted price only after confirming those restrictions.

With a bonus bet, the promotional stake is commonly excluded from the return. A $25 bonus bet at +200 would typically produce $50 in withdrawable winnings—not a $75 return—subject to the promotion’s rules.

Check settlement terms

Sportsbooks can treat pushes, voids, boosts, and bonus bets differently. Review current house rules and promotion terms before estimating the final payout.

Final check

Check the payout before submitting

  • Confirm the stake

    Make sure the risk amount matches the planned bankroll limit, not the maximum balance available.

  • Read the odds sign

    A missing glance at the plus or minus sign can completely change the expected profit.

  • Recalculate the profit

    Apply the American-odds formula and keep profit separate from the returned stake.

  • Verify the total return

    For a standard cash wager, total return should equal the stake plus profit. Compare that result with the sportsbook’s displayed payout.

  • Review the final bet slip

    Check the selection, market, point spread or total, odds and stake. Before submitting, compare payout prices across sportsbooks, since even a small odds difference affects long-term bankroll results.

Conclusion

A payout calculation confirms what a winning wager would return; it does not predict whether the bet will win. Set an affordable limit before betting, and never increase the stake simply to recover earlier losses.

If the math and bet slip disagree, pause and check both again.

Andy N
Andy N
Andy Nelson is the founder of Spread Bet Money and has over 20 years' experience studying sports betting form, with a particular focus on NFL, Soccer and Horse Racing.

Add a Comment

Your email address will not be published. Required fields are marked *