Betting Calculators & Tools

Do you want to calculate betting odds before you place the bet? Betworthy has developed many free sports betting calculators and tools that will help you make better decisions.

Arbitrage Calculator

Arbitrage Calculator

Total value attained from a multiway scalp, calculating the bet size on each outcome

Betting Hedging Calculator

Betting Hedging Calculator

Calculate how you can guarantee yourself a profit on your live bets

Freeplay Calculator

Freeplay Calculator

Real dollar profit from betting and hedging a free play of a given size.

Half Point Calculator

Half Point Calculator

The value of buying or selling half-points for all sports lines, spreads, and totals.

Kelly Calculator

Kelly Calculator

Up to either 15 events or 15 mutually exclusive outcomes of a single event

Odds Calculator

Odds Calculator

Use stake & odds in different formats to quickly calculate the payout for your bets.

Odds Converter

Odds Converter

US, decimal, fractional odds, percentage, Hong Kong, Indonesian and Malay formats

Odds Value Calculator

Odds Value Calculator

Expected value to receive for a bet based on the probability of that outcome occurring.

Parlay Calculator

Parlay Calculator

Parlay bet payouts as well as associated premiums, given a set of underlying odds

Poisson Calculator

Poisson Calculator

Win probabilities and odds for one or two variable Poisson-style proposition bets.

Reverse Bet Calculator

Reverse Bet Calculator

Maximum win and loss amount for a reverse bet, as well as the situational result.

Round Robin Calculator

Round Robin Calculator

Max win and loss amount for a given round-robin, as well as the situational results.

Sports Betting Hold Calculator

Sports Betting Hold Calculator

The hold percentage is the margin the sportsbook takes on both sides of the game.

Spread /ML Converter

Spread /ML Converter

Converts between spreads and moneylines for pro and college basket- and football,

Streak Calculator

Streak Calculator

Calculate the probability of consecutive winning or losing a series of bets.