• Odds comparison
  • Community
  • Bookmakers
fav

MY LEAGUES

0
Manage my leagues
  • football
  • basketball
  • tennis
  • baseball
  • hockey
  • american football
  • aussie rules
  • boxing
  • cricket
  • darts
  • esports
  • floorball
  • mma
  • pesapallo
  • rugby league
  • rugby union
  • badminton
  • beach volleyball
  • futsal
  • handball
  • snooker
  • table tennis
  • volleyball
  • water polo
My couponMy coupon
0

No bets selected yet. To add a bet click the odds while browsing through OddsPortal!

  • English
  • Polski
img
img
img
  • Odds comparison
  • Community
  • Bookmakers
  • Home
  • Dropping odds
  • Sure bets
  • Betting tools
    arrow
    • Blocked Odds
    • Value bets
    • Archived results
    • Standings
    • Bet calculator
  • Betting
img
img
img
  • Football
  • Basketball
  • Tennis
  • Baseball
  • football
    football
  • basketball
    basketball
  • tennis
    tennis
  • Baseball
    Baseball
  • Hockey
    Hockey
  • American football
    American football
  • Aussie rules
    Aussie rules
  • Boxing
    Boxing
  • Cricket
    Cricket
  • Darts
    Darts
  • eSports
    eSports
  • Handball
    Handball
  • MMA
    MMA
  • Rugby League
    Rugby League
  • Rugby Union
    Rugby Union
  • Snooker
    Snooker
  • Table tennis
    Table tennis
  • Volleyball
    Volleyball

Bet Amount

Bet Type

Odds type

Decimal odds

What Is a Bet Calculator? 

A betting calculator will provide you with the payout and implied probability of a single, parlay (accumulator) or whichever type of bet you input into the tool.

This is perfect if you want to know the probability, or even just how much you stand to win and profit you will win from your bet. Thanks to the odds calculator, you don’t need to be registered with a site to click on their odds, which are sometimes restricted, and you can just calculate the odds with OddsPortal.

Our sports betting calculator is reliable and provides you something even more than bookmakers would with the implied probability, something that could be a deciding factor on whether or not you place your next bet.

How To Use The Betting Odds Calculator

The great thing about our betting odds calculator is that it’s extremely simple to use, and you just need to alter it to suit your needs by changing the type of bet, and the odds that you regularly use and can see at your chosen online bookmakers.

Top Events

imgChampions League
imgConference League
imgEuropa League
imgLaLiga
imgSerie A
All events

football

  • Premier League
  • LaLiga EA Sports
  • Serie A
  • Bundesliga
  • Ligue 1
  • Champions League
  • Europa League
  • Europa Conference League

tennis

  • ATP US Open
  • ATP French Open
  • ATP Wimbledon
  • ATP Australian Open
  • WTA US Open
  • WTA French Open
  • WTA Wimbledon
  • WTA Australian Open

basketball

  • NBA
  • NCAA
  • EuroLeague
  • Super Lig
  • LNB
  • Lega A
  • BBL
  • ACB

other

  • NFL
  • NHL
  • MLB
  • Big Bash League
  • AFL
  • SHL
  • NPB
  • IPL

popular now

  • Saudi Professional League
  • UEFA Nations League
  • World Championship 2026
  • EuroBasket
  • Eredivisie
  • Esports
  • Darts Premier League
  • Copa Libertadores

Oddsportal

  • Terms of Use
  • Privacy policy
  • GDPR
  • FAQ
  • Contact
  • Impressum
  • Set privacy
  • Recommended sites
  • Bonus Offers
  • Bookmakers
  • News
  • Set privacy
  • Recommended sites
  • Bonus Offers
  • Bookmakers
  • News

partners

  • SoccerVista
  • Betexplorer
  • FCTables
  • Tribalfootball
  • ScoreBar
Gamble Responsibly.Gambling Therapy. 18+
18+Please, gamble responsibly.
Data by
Copyright © 2008-2026 Oddsportal.com

img
img
img
<Home
  • Home>
  • Bet calculator

Betting Calculator

Bet Calculator - Calculate Odds as Fractional, Decimal, American

Our betting odds calculator tool is completely free to use and correctly calculates odds as fractional, decimal, or American odds, depending on what you prefer. Find out the payout thanks to the odds converter tool, showing you how much you can expect to win with your selected stake!

Quickly calculate the odds payout of your bet whether it is a single or multiple selections by clicking on fractional, decimal, American, or implied and entering both the stake and odds into our free bet calculator.