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Betting, Casino, Payments & Crypto Calculators

Check the arithmetic and its assumptions. All calculator interfaces are in English; the disclaimer follows the page language.

14 tools · Free to use · No registration · No live market data

Arbitrage / Surebet Calculator

Calculate equal-return stakes, implied probabilities and rounding effects for a complete set of mutually exclusive outcomes.

Convert decimal, fractional and American odds or implied probability. See equivalent formats without treating odds as a forecast.

Multiply decimal odds to calculate an accumulator return and net result under an all-legs-win scenario.

Explore the Kelly formula and expected value using your own probability estimate. Modelled amounts are not staking recommendations.

Compare taken and closing decimal odds for the same outcome using a clearly defined odds-ratio CLV measure.

Calculate remaining qualifying turnover from bonus terms, wagering multipliers and game contribution rates.

Estimate mathematical expected loss from total wagering volume and theoretical RTP. Session outcomes can differ substantially.

Compare synthetic payout distributions with the same RTP and different hit frequencies. These examples do not represent real slots.

Compare a quoted exchange rate with a reference rate and separate stated fees from the exchange-rate cost.

Add entered transfer fees and model a processing-time range using provider-supplied business-day assumptions.

Build a scenario timeline from entered processing stages. Withdrawal completion and chargeback decisions are not guaranteed.

Calculate Bitcoin-style or Ethereum-style network fees and an illustrative confirmation-time scenario from manual inputs.

Compare quoted and executed output amounts, calculate signed slippage and show a tolerance threshold separately from fees.

Illustrate FIFO or average-cost allocation and realised gain from entered acquisition lots and one sale. This is not a tax calculation.