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Odds-to-Probability Converter

Convert odds in favor to probability.

Your inputs

Your result

Enter your information and select Calculate to see the result.

How this calculator works

Probability is odds in favor divided by the sum of both sides of the odds.

Change one assumption at a time to see which inputs have the greatest effect on the estimate.

Worked example

Odds of 3 to 1 correspond to a 75% probability.

Limitations

This calculator is for educational use; verify important work independently.

Review this educational estimate against current quotes, official information, and your own budget before making a financial decision.