Full Guide: How to Get Betting Odds

Big Odds Types
Betting odds are in three main types, each 더 많은 정보 보기 showing odds in a clear way. Let’s get to know each type:
Decimal Odds
Decimal odds (like 2.50) show you what you will get back for each dollar you bet, your bet included. This way is easy to see in Europe and web betting places, offering simple math for possible wins.
Fractional Odds
Fractional odds (like 7/1) show how much you will make in profit for your bet. Loved in old UK betting, these odds let you see possible money made from your bet.
American/Moneyline Odds
American odds or moneyline odds (shown as +150 or -150) are based on betting $100. A + shows what you win on a $100 bet, a – shows what you need to bet to win $100.
Switching Odds Types
Knowing how to switch odds types is key for smart betting:
- +150 American odds turn into 2.50 decimal and 3/2 fractional
- From decimal to fractional, take off 1 from the decimal and make it a simple fraction
- From fractional to American, work out the chance and switch it to the right style
Working Out Possible Payouts
To find possible wins:
- Decimal: Times your money by the odds (like, $10 x 2.50 = $25 total return)
- Fractional: Use the fraction on your bet (like, $10 at 7/1 = $70 made plus your bet)
- American: Use + or – based on the odds to find the true math
Types of Betting Odds
Know Odds Types: Full Guide
## Decimal Odds
Decimal odds, used a lot in Europe and Australia, show total possible money back for each dollar bet.
This type shows winnings as a simple times – odds of 2.50 mean a $2.50 return for every $1 bet, this includes your first money back.
They are great for simple payout math.
## Fractional Odds
Old style fractional odds matter a lot in UK and Irish bet scenes, mostly in horse races.
Shown as parts like 7/1 or 5/2, these odds show possible money made compared to your bet. A 7/1 part means a $7 win for each $1 bet.
While big in history, fractional odds need more steps in math than other types.
American (Moneyline) Odds
American odds, also known as moneyline odds, use a system with $100 parts.
Negative numbers (-150) show how much to bet to get $100, while + numbers (+150) show possible win on a $100 bet.
This style rules North American sports betting, big in NFL, NBA, and MLB bets.
Switching Odds Types
Switching odds is important in modern betting.
Web places often switch odds for you, but knowing the math lets you bet smarter.
Key switch methods help bettors find the best deals across different betting places and local choices.
How to Calculate Returns
How to Work Out Betting Returns

Know Payout Math for Each Odds Type
Working out possible payouts is key for anyone who wants to know what they could make.
We’ll look at the exact math for each odds type.
Decimal Odds Math
For payout with decimal odds, times your money by the decimal. For example:
- Money of $100 at odds of 2.50 = $250 payout ($100 x 2.50)
- Total return includes both money made and first money
American Odds Math
American odds need different math based on if they’re + or -:
+ American Odds (+150)
- Divide odds by 100 and times by money
- $100 at +150: ($100 x 150/100 = $150 made)
– American Odds (-150)
- Divide 100 by whole odds number and times by money
- $100 at -150: ($100 x 100/150 = $66.67 made)
Fractional Odds Math
For fractional odds, times money by the piece:
- 3/1 odds with $100 = $300 made
- Total return: $400 ($300 made + $100 first money)
Working Out Total Returns
To find full returns:
- Work out first wins
- Add first bet
- Sum for full payout amount
Using a calculator is best for exact math until these ways are easy to know.
## Switching Odds Types
Switching Odds Types: Full Guide
Know Odds Switch Basic Rules
Switching odds needs you to know three key math ways that let smooth change between decimal odds, American odds, and fractional odds.
These math rules are key for smart sports betting and odds checks.
From American Odds to Decimal Style
The change way for American to decimal odds follows two clear ways:
- For + American odds: (American/100) + 1
- For – American odds: (-100/American) + 1
Example switches:
- +150 changes to 2.50 decimal odds
- -150 changes to 1.67 decimal odds
Decimal to Fractional Odds Switch
To turn decimal odds into fractional style:
- Take off 1 from the decimal
- Make the fraction simple
Key switches:
- 2.50 decimal becomes 3/2 fractional
- 1.67 decimal becomes 2/3 fractional
Fractional to American Odds Change
Fractional to American odds switch needs:
- Times the piece by 100
- For pieces over 1: Result is + American odds
- For pieces under 1: Divide -100 by decimal form
Example math:
- 3/2 changes to +150 American odds
- 2/3 changes to -150 American odds
Big Odds Switch Moves
Know these switch ways to effectively check odds across many book places showing different kinds.
Knowing these math links helps make the best bet choices and find value across various bet places.
Chance and Likely Value
How Chance and Likely Value Work in Sports Betting
The Math Behind Winning Bets
Chance ideas are the base rules for working out likely value in sports betting, letting you bet based on data.
Turning odds into percents while thinking about the bookmaker’s edge shows the true chance of happenings, key for smart bet plans.
Working Out Likely Value (EV)
The likely value way works out possible money making:
EV = (P(win) x Profit) – (P(loss) x Bet)
A + EV shows possibly good deals over many bets, while – EV hints at bad bet chances.
Using EV in Sports Betting
Think about this full case:
- Bet: $100 The Best Strategies for Beating the Odds in Sports Betting
- Odds: +150 (40% likely chance)
- True chance: 45%
- EV math: (0.45 x $150) – (0.55 x $100) = $67.50 – $55 = $12.50
This + likely value of $12.50 shows a math good bet spot, though each bet may differ.
Pro bettors always find and use such + EV spots to keep making money over many bets.