Convert DraftKings American odds to decimal, fractional, and implied probability. Understand what your DraftKings lines really mean.
DraftKings displays all odds in American format by default. While most US bettors are comfortable with this, converting to decimal or implied probability makes it easier to compare with international books, calculate payouts, and assess true value.
Find the DraftKings odds for your market (e.g., -110, +250).
Enter the American odds into the Odds Converter.
View the conversion to decimal, fractional, and implied probability.
Use the implied probability to quickly assess value — is the market overrating one side?
Compare with the same market on European books (shown in decimal) to spot discrepancies.
DraftKings Chiefs -7.5 at -110. Converting: decimal = 1.909, fractional = 10/11, implied probability = 52.4%. If you think the Chiefs cover 55% of the time, the bet is +EV.
Fee model: $0.02 per contract per side ($0.01 DK + $0.01 CME)
Formula: $0.01 DraftKings + $0.01 CME exchange fee per contract per side
Timing: Charged at time of trade
Convert FanDuel American odds to decimal, fractional, and implied probability. Compare FanDuel lines across formats.
How to De-Vig DraftKings LinesRemove the vig from DraftKings odds to find true probabilities and identify value bets.
DraftKings Predictions Fee CalculatorCalculate DraftKings event contract fees — $0.02 per contract per side via CME Group.
DraftKings Predictions Break-Even CalculatorFind the win rate you need on DraftKings event contracts after $0.02/contract fees.
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