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Final3rd

Implied Probability Calculator

Convert odds into the implied win probability — and turn a probability back into fair odds.

Odds → Probability

Implied probability50.0%

Probability → Fair Odds

Fair decimal odds2.00
Fair fractional1/1
Fair American+100

Implied probability is the win rate the odds assume. If your own estimate of a team's chance is higher than the implied probability, the bet may hold value. Bookmaker margin (the overround) means implied probabilities across all outcomes add up to more than 100%.

Frequently asked questions

Divide 1 by the decimal odds and multiply by 100. For example, decimal odds of 4.00 give an implied probability of 25% (1 ÷ 4.00 = 0.25).

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Go beyond the calculator with deep team & player stats — xG, shots, form, last-10 trends and player props — plus the model probability and expected value behind every line.

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