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Calculators

Betting Calculators: Free Tools for Nigerian Punters

Know what a bet is worth before you place it. These free calculators work in naira and run in your browser: nothing is saved and nothing is sent anywhere.

Matched Bet CalculatorLay stake and profit for a back and lay pair.Surebet CalculatorStakes for arbitrage on 2 or 3 outcomes.Accumulator CalculatorTotal odds and returns for any acca.Asian Handicap CalculatorWin, half win, push or loss on any line.Odds ConverterDecimal, fractional, American and probability.Dutching CalculatorSplit one stake over several picks.Hedge Bet CalculatorLock in a profit before the final whistle.Lay Bet CalculatorLiability and profit when you lay a bet.Free Bet CalculatorWhat a free bet is really worth.Kelly Criterion CalculatorHow much of your bankroll to stake.Yankee Calculator11 bets on 4 selections.Lucky 15 Calculator15 bets on 4 selections, singles included.Lucky 31 Calculator31 bets on 5 selections, singles included.Patent Calculator7 bets on 3 selections.Heinz Calculator57 bets on 6 selections.Canadian Calculator26 bets on 5 selections.50/1 Odds CalculatorWhat long odds pay on your stake.
Table of contents
  1. Which Calculator Do You Need?
  2. Why Calculators Help
  3. Betting Calculators FAQ

Which Calculator Do You Need?

We have 17 free calculators: tools for single bets and accas, tools for bonuses and matched betting, and calculators for system bets such as the Yankee, Lucky 15 and Heinz.

CalculatorUse it when
Matched bet calculatorYou back at a bookmaker and lay on an exchange to unlock a bonus
Surebet calculatorDifferent bookmakers price the outcomes so that you can cover all of them
Accumulator calculatorYou want the total odds and return of a multiple, with an acca bonus
Asian handicap calculatorYou want to know how a handicap line settles on the final score
Odds converterYou see fractional or American odds, or want the implied chance
Dutching calculatorYou want the same profit whichever of several picks wins
Hedge bet calculatorYour bet is going well and you want to lock in a profit
Lay bet calculatorYou lay a selection and need your liability
Free bet calculatorYou have a free bet and want to know what it is really worth
Kelly criterion calculatorYou have an edge and want a stake size for it
Yankee calculator11 bets on 4 selections
Lucky 15 calculator15 bets on 4 selections, singles included
Lucky 31 calculator31 bets on 5 selections, singles included
Patent calculator7 bets on 3 selections
Heinz calculator57 bets on 6 selections
Canadian calculator26 bets on 5 selections, also called a Super Yankee
50/1 odds calculatorYou want to know what a long fractional price pays

Why Calculators Help

Most betting mistakes come from not doing the maths: adding one more leg to an acca without seeing how it cuts the chance of winning, or valuing a ₦5,000 free bet as if it were ₦5,000 in cash. A calculator puts real numbers in front of you in seconds.

The calculators show what a bet pays. They cannot tell you whether it will win; always bet within your budget.

Betting Calculators FAQ

Are these calculators free?

Yes. They run in your browser and need no account.

Do the calculators work with naira?

Yes. Enter your stake in naira; the odds work the same in any currency.

Can I use decimal odds from any bookmaker?

Yes. All Nigerian bookmakers use decimal odds by default.

Which calculator do I need for a system bet?

Pick the one with the name of your bet: Patent for 3 selections, Yankee or Lucky 15 for 4, Canadian or Lucky 31 for 5 and Heinz for 6.