Welcome to the Fractional Odds Calculator, also known as the British Odds Calculator and the UK Odds Calculator. Here you can enter any fractional odds to get the definition of the odds, the percentage probability of the odds, and a payout calculator for the odds.

To get started, please enter the fractional odds you want to learn more about in the box below.

Here are some examples of what this tool can do for you.

What does 9/2 odds mean?

What does 9/5 odds mean?

What does 5/2 odds mean?

What does 7/2 odds mean?