Odds Calculator and Converter

Written by: Richard Janvrin
Updated November 9, 2022
13 min read

Odds Calculator and Converter

To Win
$0.00
Payout
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Are you confused by the different ways in which betting odds are presented on online sportsbooks?

American, decimal, fractional, implied odds… what’s the difference?

At WSN, we have created a simple-to-use and free betting odds calculator and converter that lets you convert American, decimal, fractional, and implied odds.

It also shows you how much you can win when you bet on specific odds, in whichever format you choose to enter them.

How to Use the Sports Betting Odds Calculator and Converter

To convert between different odds formats and calculate your payout, simply follow these 2 easy steps:

  1. Fill in the odds in any of the odds fields: American, decimal, fractional or implied
  2. Enter the amount you want to bet, i.e. your stake

That’s it!

Now you will be able to see your entered odds expressed in all other formats, as well as how much money you can win betting on them and your total payout, based on your stake.

The “To win” field will show you how much money you will make in profit, i.e. your potential winnings, while the “Payout” field will display the total amount you will receive, which includes your initial stake.

Whether you are betting on the NFL, NBA, soccer or any other sport, as well as horse racing, our payout calculator and odds converter can come in handy.

We recommend that you bookmark this page so you can easily access our free online odds calculator and converter when you need it.

If you want to perform another calculation or conversion, simply click the “Reset” button and start over.

What’s the Difference Between American, Decimal, Fractional, and Implied Odds?

They all express the ratio of payoff to stake, in their own way. Check out the difference between these betting odds below.

What Are American Odds?

American, or moneyline, odds show you how much money you can win on a $100 bet. As their name suggests, they are used by American sportsbooks.

In American Odds you will either see a (+) or a (-). This means that if you bet $100 on a match with odds of +130 that when the bet wins you will receive $130.

On the flip side, the negative odd indicates that on a bet with odds of -130 that you must bet $130 in order to win $100 on a winning bet.

What Are Decimal Odds?

Decimal odds, which are mostly used in Continental Europe, present the ratio of payout to the stake, where the stake itself is also included. The favorites and underdogs of any given matchup can be identified by their numbers alone.

So the decimal odds indicate the number of winnings for every $1 wagered. So for instance, if we see the odds of something happening being 3.00 and we bet $100 on that odd then we can expect a $300 payout from this win putting us in a profit of $200.

What Are Fractional Odds?

Fractional odds, widely used in the United Kingdom, show you how much you will profit on your stake should you win. For example, if you see odds of 6/1, this means you will make a $600 profit after having staked $100.

What Are Implied Odds/Implied Probability?

Finally, implied odds are simply the implied probability of winning. As such, they are the result of the conversion of betting odds into a percentage.

Changing the odds into a percentage, or likelihood of an outcome, is an excellent way of boiling down the odds into a more easily quantifiable outcome.

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Most Common Betting Odds Conversion Table

When betting across multiple sports and platforms you may quickly find that there are different kinds of odds out there. Leave the confusion behind with our odds conversion table below. We have many of the most common odds listed below so that you can find the probability to make the most informed wagers possible.

Fractional Odds Decimal Odds American Odds Implied Probability
1/5 1.2 -500 83.33%
1/4 1.25 -400 80.00%
1/3 1.33 -300 75.00%
1/2 1.5 -200 66.67%
5/6 1.83 -120 54.55%
17/20 1.85 -118 54.05%
10/11 1.91 -110 52.38%
1/1 2 100 50.00%
3/2 2.5 150 40.00%
7/4 2.75 175 36.36%
2/1 3 200 33.33%
21/10 3.1 210 32.26%
11/5 3.2 220 31.25%
12/5 3.4 240 29.41%
11/4 3.75 275 26.67%
14/5 3.8 280 26.32%
7/2 4.5 350 22.22%
4/1 5 400 20.00%
7/1 8 700 12.50%
12/1 13 1200 7.69%

Head on over to our top sportsbooks section and get all the information you need to start betting for real money legally, such as promo codes, bonuses, and bet types.

Find out which betting sites are legal in your state with our comprehensive US sports betting guides.

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AUTHOR

Richard Janvrin

548 Articles

After graduating from the University of New Hampshire with a BA in Journalism, Richard Janvrin has been covering iGaming and sports betting since December 2018. Richard has covered betting at Bleacher Report, Gambling.com, The Game Day, Forbes, and more.

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