Betting Tools & Calculators

Free betting calculators: convert odds between decimal, fractional and American formats, work out parlay payouts, and check exactly how much you need to wager to clear a bonus.

Odds Converter

Type any format — the others update live.

Decimal

Fractional

American

Implied probability

Bet & Parlay Calculator

Stake ($)

Total odds2.00

Total payout$20.00

Profit$10.00

Bonus Wagering Calculator

Bonus amount ($)

Wagering requirement (x)

Game contribution (%)

Total to wager$3,500

Lower contribution = more to wager. Slots are usually 100%.

+18. Play responsibly. BeGambleAware.