Vig (juice) = sportsbook commission (~4.76% on -110/-110)
Decimal odds = 1 + (American conversion)
ℹ️ This free moneyline calculator uses standard American odds formulas. Enter odds and stake to get exact profit, total payout and implied probability for NFL, NBA, MLB and more. Updated November 2026.
A moneyline bet is a wager on which team or player will win outright, with no point spread. It is the simplest bet type in US sports betting [citation:1][citation:7].
The favorite has negative odds (-150). You bet more to win less. The underdog has positive odds (+150). You bet less to win more [citation:10].
What is Implied Probability?
Implied probability is the chance of winning implied by the odds. It is calculated from the American odds using standard formulas [citation:4][citation:5].
For example, -110 odds imply 52.38% probability. +150 odds imply 40% probability. The two sides of a bet add up to over 100% due to the sportsbook's vig (commission) [citation:1][citation:7].
What is the Vig (Juice)?
The vig (vigorish) is the sportsbook's commission. On a standard -110/-110 line, both sides imply 52.38% probability. The total is 104.76% — the extra 4.76% is the vig [citation:1][citation:7].
You need to win 52.4% of -110 bets to break even. This is why finding value (true probability > implied probability) is essential for long-term profit [citation:10].
Decimal odds include your stake in the return. A 2.50 decimal odd pays $2.50 total for every $1 bet.
Why Use Our Moneyline Calculator?
Our free moneyline calculator is built for speed and accuracy. It runs entirely in your browser — no sign-up, no data stored. It uses standard American odds formulas and shows profit, total payout, implied probability and decimal odds in one glance.
❓ Frequently Asked Questions
How do you calculate moneyline payout?
For positive odds (+150): Profit = Stake × (Odds ÷ 100). For negative odds (-150): Profit = Stake × (100 ÷ |Odds|). Total Payout = Stake + Profit. Example: $100 at +150 wins $150 profit ($250 total). $150 at -150 wins $100 profit ($250 total).
What is implied probability in moneyline betting?
Implied probability is the chance of winning implied by the odds. Formula: Positive odds: 100 ÷ (Odds + 100). Negative odds: |Odds| ÷ (|Odds| + 100). Example: +150 = 40% implied. -150 = 60% implied. The two sides add up to over 100% due to the sportsbook's vig.
What does +150 mean in moneyline?
+150 means you win $150 profit for every $100 you bet. Total payout is $250 (including your $100 stake). The team is the underdog. Implied probability is 40%.
What does -150 mean in moneyline?
-150 means you must bet $150 to win $100 profit. Total payout is $250 (including your $150 stake). The team is the favorite. Implied probability is 60%.
What is the vig in moneyline betting?
The vig (vigorish) is the sportsbook's commission. On a standard -110/-110 line, both sides imply 52.38% probability, totaling 104.76%. The extra 4.76% is the vig. You need to win 52.4% of -110 bets to break even.
How do I calculate moneyline payout manually?
For +200 with $50 stake: Profit = 50 × (200/100) = $100. Total = $150. For -200 with $50 stake: Profit = 50 × (100/200) = $25. Total = $75. Use the calculator above for instant results.
What is a moneyline bet?
A moneyline bet is a wager on which team or player will win outright, with no point spread. Favorites have negative odds (-150). Underdogs have positive odds (+150). It is the simplest bet type in US sports betting.
What is a good moneyline bet?
A good moneyline bet is one where your estimated true probability is higher than the implied probability. For example, if odds imply 40% but you believe the true chance is 50%, that is a value bet. Compare implied probability to your own estimate.
How do I convert moneyline to decimal odds?
Positive odds: Decimal = (Odds ÷ 100) + 1. Example: +150 = 2.50. Negative odds: Decimal = (100 ÷ |Odds|) + 1. Example: -150 = 1.667. Decimal odds include your stake in the return.
What is the payout on a $100 moneyline bet?
At +150: $250 total ($150 profit). At -150: $166.67 total ($66.67 profit). At +200: $300 total ($200 profit). At -200: $150 total ($50 profit). Use the calculator above for your exact stake.
Can moneyline odds be positive and negative?
Yes. Positive odds (+150) are underdogs — you win more than you bet. Negative odds (-150) are favorites — you bet more than you win. The sign indicates whether the team is favored or not.
Why do moneyline odds add up to more than 100%?
The extra percentage is the sportsbook's vig (commission). For example, -110/-110 implies 52.38% + 52.38% = 104.76%. The 4.76% overround is how the sportsbook makes money. The fair probability would be 50/50.
💡 Expert Tips for Moneyline Betting
Tip #1: Compare implied probability to your own estimate. If your true probability is higher, you have a value bet.
Tip #2: Shop around. Different sportsbooks offer different odds on the same game. A 10-cent difference in odds can be significant long-term.
Tip #3: Avoid betting heavy favorites (-300 or worse) unless you have strong conviction. The risk-to-reward is poor.
Tip #4: Understand the vig. You need to win 52.4% of -110 bets to break even. This is why discipline and bankroll management matter.
Tip #5: Positive EV bets are the only path to long-term profit. Use the calculator to compare implied probability to your estimate.
Tip #6: Never bet more than you can afford to lose. Gambling should be entertainment, not income.
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🛡️ CDCalculators moneyline calculator — data sources: Standard American odds formulas, Nevada Gaming Control Board. Last updated November 12, 2026. Disclaimer: Estimates only. Sports betting involves risk. If you have a gambling problem, call 1-800-522-4700.