There exist several tools online that are able to make your wagers more profitable and can support in your gambling decision making.

  • Arbitrage Stakes Calculator
    A tool with a proven invaluable usefulness and one of the most important tools a trader can have.
  • Freeplay Value Calculator
    Determines the risk-free real dollar profit that may be obtained from betting and hedging a freeplay of given size.
  • Half-Point Calculator
    Calculates the value of buying or selling half-points for MLB totals and NBA, NFL, NCAA Basketball, and NCAA Football spreads and totals.
  • Kelly Calculator
    Calculates Kelly stakes for bets on up to either 15 simultaneous events or 15 mutually exclusive outcomes of a single event.
  • Professional Gamble Simple Odds Converter
    Converts odds between US, decimal, fractional formats.
  • Odds Converter
    Converts betting odds between US, decimal, fractional, percentage, Hong Kong, Indonesian, and Malay formats.
  • Parlay Calculator
    This calculator determines parlay payouts as well as associated premiums given a set of underlying bet odds.
  • Poisson Calculator
    Calculates win probabilities and odds for one or two variable Poisson-style proposition bets given an underlying win percentage.
  • Reverse Bets
    This calculator determines the maximum win and loss amount for a given reverse bet, as well as the situational results based upon whether or not each underlying game wins, loses, or pushes.
  • Round Robin Calculator
    This calculator determines the maximum win and loss amount for a given round-robin, as well as the situational results based upon whether or not each underlying game wins, loses, or pushes.
  • Spread/ML Converter
    This calculator approximately converts between spreads and money lines for both pro and college football and basketball.
  • Streak Calculator
    This calculator determines the probability of losing a streak of wagers over the course of a wager series of specified length.
  • Sports Betting Functions for Excel
    A library of Excel functions relevant to advantage sports betting. For advanced users.