Free calculators for fans who like the numbers behind the game. Everything runs in your browser and nothing you type is stored. Start with the odds converter if you're new, or go straight to the score predictor to turn expected goals into probabilities.
Odds Converter
Decimal ↔ fractional, with returns and each-way
Poisson Score Predictor
Expected goals → scoreline, 1X2, over/under and BTTS chances
EV Calculator
Is a price worth it compared with your own estimate?
Acca Returns
Combined odds and payout for any number of legs
Asian Handicap Settlement
How any line settles for any final score
Hedge Bet Calculator
Lock in a result on a cup long shot or the last leg of an acca
Kelly Stake Calculator
Size a stake from your edge (full, half or quarter)
Arbitrage Calculator
Check if prices across bookmakers leave a surebet
Season Simulator
Play out thousands of seasons to see the real range of results
These tools are for information and learning. No calculator can predict a result. If you bet, set a budget first: safer gambling.
