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Sports utilities

Sports calculators & converters

Convert odds, review implied probabilities and market margin, calculate staking scenarios and ROI, and convert match times between time zones.

01

Odds Converter

Convert decimal, American and fractional odds into equivalent formats and see the associated implied probability.

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02

Implied Probability Calculator

Translate entered odds into the probability implied by that price before any market normalization.

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03

Bet Payout / Profit Calculator

Calculate theoretical gross payout and net profit from a stake and entered odds.

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04

Accumulator / Parlay Calculator

Combine 2–12 decimal prices, then calculate combined odds, implied probability, gross payout and net profit.

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05

Arbitrage Calculator

Measure whether entered decimal prices sum to an implied probability below 100% and calculate equal-return allocations.

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06

Bookmaker Margin / Vig Calculator

Calculate the market overround from 2–12 decimal prices and normalize each raw implied probability to 100%.

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07

Kelly Criterion Calculator

Apply the Kelly formula to decimal odds, bankroll and your own estimated win probability, with full, half and quarter Kelly amounts.

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08

Dutching Calculator

Split a total amount across 2–12 decimal prices so each listed outcome produces the same mathematical gross return.

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09

ROI Calculator

Calculate return on investment from an amount staked and a positive or negative net result.

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10

Match Time / Timezone Converter

Convert a match date and local time between time zones, including daylight-saving changes.

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