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Rule 4 Calculator

Work out your winnings after a Rule 4 deduction for a withdrawn horse.

- Deduction applied
- Total return
- Lost to Rule 4

How to use the Rule 4 Calculator

  • Rule 4 reduces the winnings on your bet when a horse is withdrawn too late for the market to be re-formed. Your stake is always returned in full.
  • Enter your stake and odds, then the deduction your bookmaker announced, in pence in the pound.
  • Don’t know the rate yet? Choose “Estimate from odds” and enter the withdrawn horse’s price: the calculator uses the standard Rule 4 table. Several deductions add up, capped at 90p.

Related guide

Rule 4 applies to each-way bets too. Read our guide: What Is an Each-Way Bet?

Read the guide

18+. Please gamble responsibly.

This tool is for working out potential returns and is not advice to bet. Only ever stake what you can afford to lose.
Support is available at BeGambleAware.org.

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