Odds Calculator

Convert between probability and odds formats (decimal, fractional, American).

Convert

%

Probability Visual

0% Win
Win: 0Lose: 0
Odds Ratio

0 : 0

0 wins for every 0 losses

Probability

0%

Decimal Odds

0

American

Fractional

Betting Example ($100 stake)

Potential Profit

$-100

Total Return

$0

Documentation

Understanding Odds

Odds express the likelihood of an event in various formats. Probability is success/total, while odds compare success to failure.

Odds to Prob

Prob to Odds

Decimal

Frequently Asked Questions
How to Use

About the Odds Calculator

What it calculates

This odds calculator solves mathematical and statistical problems using standard formulas. Convert between probability, decimal, and moneyline odds.

When to use it

Use for homework, data analysis, exam prep, or quick verification of manual calculations.

Example

Adjust the inputs above to model your specific scenario with the Odds Calculator.

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