Betting Tools

Odds Probability Calculator

Convert decimal odds into probability instantly and compare bookmaker pricing with your own view of the market.

Decimal odds

Probability from odds

50.00%

This tool uses the standard odds-to-probability formula: 1 / decimal odds.

Example: decimal odds of 2.00 imply a 50.00% probability, while 1.50 imply 66.67%.

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Margin Calculator

Calculate bookmaker margin, implied probability, and fair odds in seconds. Useful for two-way markets, 1X2 football pricing, and any custom multi-outcome book.

Calculate expected value and ROI from decimal odds and your estimated win probability.

Hedge Bet Calculator

Calculate hedge stakes across one or more outcomes and compare profit or loss on every side of the market.

Compare your bet odds with the closing line to estimate closing line value and see whether you beat the market.

Monte Carlo Simulator

Simulate bankroll trajectories from expected ROI and variance to visualize risk, drawdowns, and outcome dispersion.