Dice Chance Calculators — Gaming
Probability for games and betting: dice probabilities, coin toss runs, expected value, and betting arbitrage. Expected value is the tool to run before any staking decision, since it prices the bet independently of how it feels.
All Dice Chance Calculators
Find arbitrage opportunities by comparing odds across bookmakers for guaranteed profit.
Calculate the probability of getting a specific sequence of heads and tails in multiple flips.
Calculate the probability of rolling specific outcomes with any number and type of dice.
Calculate the expected value of a random variable from outcomes and their probabilities.
Calculate the optimal Kelly bet size for sports betting based on edge and odds.
Generate random lottery numbers for Powerball, Mega Millions, EuroMillions, and custom formats.
Calculate the risk of ruin and bankroll requirements for the Martingale betting strategy.
Convert between fractional, decimal, American, implied probability, and Hong Kong odds formats.
Calculate the combined odds and potential payout for a multi-leg parlay bet.
About Dice Chance Calculators
Probability for games and betting: dice probabilities, coin toss runs, expected value, and betting arbitrage. Expected value is the tool to run before any staking decision, since it prices the bet independently of how it feels.
Whether you need to solve a one-time problem or verify your own calculations, these free tools cover the most common dice chance scenarios. All results are computed in your browser — no data is sent to any server.
What You Can Calculate
This section includes 9 tools: Betting Arbitrage Calculator, Coin Toss Probability Calculator, Dice Probability Calculator, Expected Value Calculator, Kelly Criterion Bet Size Calculator for Betting, Lottery Number Generator, Martingale Calculator, Odds Converter, and 1 more. Each calculator is free to use with no signup required.