How do you calculate implied probability from decimal odds?

Divide 1 by decimal odds, then multiply by 100.

Can I use this converter for American and fractional odds?

Yes. Enter odds as decimal, American, or fractional and the converter returns all formats.

BetSigy AI

Convert odds formats instantly and review implied probability before placing a bet.

Convert decimal, American, and fractional odds in one click. The tool also shows implied probability, net profit, and total payout for your stake.

Input format Odds value Stake

Decimal

American

Fractional

Implied Probability

Net Profit

Total Return

What is implied probability?

Implied probability is the chance suggested by the odds: 1 / decimal odds.

Should I always bet positive odds?

Not always. Good betting depends on value, not just bigger odds. Compare your model probability to implied probability first.