
Learn About Sports Betting Odds: A Starter Guide

The Three Main Kinds of Betting Odds
Sports betting odds come in three key forms. These are American odds, decimal odds, and fractional odds. Each type is common in 온카스터디 different places and fits different betting needs.
American Odds (Moneyline)
American odds are big in the U.S. They show possible wins or needed bets on favorites or underdogs with a plus (+) or minus (-) sign.
Decimal Odds
Decimal odds are liked in Europe and Australia. They tell the total return for each dollar bet, making math easy and fast.
Fractional Odds
Fractional odds are used a lot in the UK. They show possible returns as ratios, keeping to a classic way of showing odds.
Get Good at Switching Odds
Changing between odds forms is key to smart betting methods. Knowing how to change odds can really lift possible wins.
Knowing these rules lets you make better betting plans and up possible wins.
The Basics of American Odds
Learn All About American Odds
American Odds Basics
American odds, or moneyline odds, use plus (+) and minus (-) signs to show possible returns and odds. A plus number tells possible gain on a $100 bet, while a minus number tells the needed bet to win $100.
Work Out Chances
Figuring out odds needs some formulas:
- For plus odds: Odds = 100/(odds + 100)
- For minus odds: Odds = |odds|/(|odds| + 100)
Know Payouts and Returns
How payouts are worked out changes for plus and minus odds:
- +150 odds: $100 bet makes $150 profit ($250 total back)
- -150 odds: $150 bet makes $100 profit ($250 total back)
Change to Decimal Form
Rules for changing to decimal make odds easier to compare:
- For plus odds: (odds/100) + 1
- For minus odds: (100/|odds|) + 1
Know Decimal Odds
Loading Decimal Odds in Sports Betting
How Decimal Odds Work
Decimal odds are a simple way to bet, used a lot in Europe, Australia, and Canada.
Figure Out What You Could Win
To work out wins with decimal odds, times your bet by the decimal, then take off your first bet. Like this:
- With odds of 2.50 and a $100 bet
- Math: $100 × 2.50 = $250
- Take off the first bet: $250 – $100 = $150 gain
Know Chances and Favorites
Use this formula to work out chances:
- (1 ÷ decimal odds) × 100 = percent chance
Example: (1 ÷ 2.50) × 100 = 40% chance
Fractional Odds Made Easy
Getting All About Fractional Odds

Basics of Fractional Betting
Fractional odds are still key in the UK and Ireland.
Read Fractional Odds Right
Fractional odds show up in two ways:
- Over-evens (e.g., 5/1): Win £5 per £1 bet, plus the first stake
- Under-evens (e.g., 1/5): Stake £5 to win £1, plus the first bet
Work Out Returns and Gains
The math for total back is:
(top number/bottom number) × stake + stake = total back
Turn Odds to Chances
To change fractional odds to a chance:
- Use the formula: bottom number/(top number + bottom number) × 100
- Example: 7/2 odds = 2/(7+2) × 100 = 22.22% chance
Changing Between Odds Forms
Changing Between Sports Betting Odds Forms: Full Guide
Changing sports betting odds is must in modern betting, letting bettors fit and find better betting options.
From Decimal to Other Forms
To switch decimal odds to fractional, take 1 off the decimal and show as a fraction. Like, 2.50 decimal turns to 3/2 fractional.
Use these formulas for decimal to moneyline change:
- For odds over 2.00: (decimal – 1) × 100
- For odds under 2.00: -100 ÷ (decimal – 1)
Fractional and Moneyline Changes
To turn fractional odds to decimal, divide the first number by the second and add 1.
For moneyline to decimal change:
- Plus moneyline: (moneyline ÷ 100) + 1
- Minus moneyline: (100 ÷ |moneyline|) + 1
Effect on Betting Wins
Right odds change really shapes results, showing the need to get these ideas for serious bettors.
Work Out Possible Payouts
Full Guide to Working Out Sports Betting Payouts
Learn Betting Odds Math
Knowing how to work out payouts is needed for good sports betting. Being good at various odds forms helps smart betting and good money handling. Flickerfang Blackjack: Biting Down on Fleeting Dealer Tells for Splitting Triumph
Decimal Odds Math
Decimal odds need you to times your stake by the decimal.
American Odds Math
American odds use plus and minus signs to show possible wins:
- Plus odds show gain on $100 stake
- Minus odds show what stake is needed for a $100 gain
Fractional Odds Math
Fractional odds need simple math:
- Form: Top number/Bottom number
- Example: 3/1 odds
- Math: Stake × (Top number/Bottom number)
- $100 stake = $300 gain