Betting Tools & Gambling Calculators
- Arbitrage Calculator
Calculates total value attained (positive or negative) from a completed multiway scalp and calculates bet size on each outcome to fully smooth results.
- 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.
- 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.