Patent calculator
A Patent is three selections in seven bets: three singles, three doubles and one treble. One winner returns something.
Odds format
Stake
£
won
1
won
2
won
3
Enter the details above to see the result.
Bookmaker bonuses for all-winners or one-winner are not included.
Bet breakdown
How a Patent settles
The singles mean a single winner pays. Every extra winner adds the doubles and, with all three, the treble. The total stake is seven times the stake per bet.
All betting calculators
Pick the calculator for your bet type. Each one follows the same flow: odds format, stake, selections, results.
%Odds converterFractional, decimal, American and implied probability£PayoutSingle bet return and profitΣMarginTwo- and three-way bookmaker marginE/WEach-wayWin and place parts with place termsΣAccumulatorUp to 10 legs4Trixie3 selections, 4 bets7Patent3 selections, 7 bets11Yankee4 selections, 11 bets15Lucky 154 selections, 15 bets26Canadian5 selections, 26 bets÷DutchingSpread a stake across outcomesKKelly criterionStake sizing from your edge⇄HedgingSettle a bet for the same amount either way
Calculators show arithmetic on the numbers you enter. They do not predict results. 18+. BeGambleAware.org.