Betting Calculators
Free horse racing betting tools: each-way returns, Rule 4 deductions, dutching stakes, odds conversion and accumulators. Pure maths, no sign-up.
Each-Way Calculator
Returns for each-way bets with place terms, extra places and Rule 4.
Rule 4 Calculator
What a non-runner deduction does to your winnings, with the full table.
Dutching Calculator
Split a stake across several horses for equal profit whichever wins.
Odds Converter
Fractional, decimal, American and implied probability, instantly.
Accumulator Calculator
Combined odds and returns for doubles, trebles and accas up to 10 legs.
Every calculator pairs with a full guide in Betting Intel, and the prices to feed them are on the live odds comparison — including which bookmaker's price makes the same bet worth most.