Interactive calculation

Odds to Probability Calculator

Convert decimal odds into implied probability and calculate fair odds from your own estimate.

Result

This is a mathematical estimate, not financial advice or a promise of profit.

How it works

Probability = 1 ÷ odds

Decimal odds of 2.00 imply 50%. In reverse, fair odds equal 1 divided by your probability estimate.

Tools Check the numbers before deciding

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Frequently asked questions

Does the calculation guarantee profit?

No. It only shows a mathematical scenario based on your inputs; actual outcomes depend on estimate quality, odds and variance.

Which odds format should I use?

Use decimal odds such as 1.85 or 2.40. Check current availability and regional terms yourself.

18+ All materials are informational and do not guarantee any outcome. Predictions are produced by an automated model; the method is described on the Method page. Responsible gambling