Understand casino math before you play.

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Wagering requirement calculator

Turn deposit, bonus, wagering multiple, and game contribution into the real playthrough total — with the formula shown.

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Bonus true-value calculator

Estimate what a bonus is theoretically worth after wagering costs, from match percentage, RTP, and game contribution.

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RTP and house-edge calculator

Convert a game's RTP into house edge and theoretical expected loss for your stake and session length.

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Game contribution calculator

See how a game’s contribution percentage changes the turnover needed to clear a bonus.

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Bonus expiry planner

Turn remaining playthrough and an expiry window into average stake per day — explanation only.

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Safer-play budget planner

Set a session bankroll, time limit, and stop-loss before you play — education only.

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RTP vs variance simulator

Compare long-run expected loss with a seeded short-session teaching model — not a prediction.

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Bonus terms comparison

Compare two bonus term sheets you type yourself. Not a bonus list or casino ranking.

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Payment fee calculator

Apply a fee and optional conversion rate that you enter. No payment-method table is published here.

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Hourly cost of play calculator

Turn stake, rounds per hour, and RTP into a long-run average cost per hour — not a session forecast.

What wagering requirements actually mean

Playthrough, contribution rates, and why the headline multiple is not the full story.

Game contribution rates: why 100% is rarely the whole story

How contribution converts a headline wagering multiple into effective turnover — and why some games count for a fraction or nothing at all.

Bonus mechanics without the brochure language

Max cashout, sticky bonuses, release rules, and the other mechanics that change what a bonus is worth — in plain language.

RTP is a long-run average — here's what that actually means

How return-to-player is measured and certified, why versions of the same game differ, and why your session is not the average.

House edge in plain numbers: the price of play

The operator's statistical advantage expressed as an average cost per unit of turnover — not a prediction of your session.

Volatility: why two 96% games feel completely different

Hit frequency, payout size, and bankroll swings — the distribution around the average that RTP alone doesn't describe.

Max-bet rules during wagering: the clause that voids winnings

What maximum-bet clauses restrict while a bonus is active, the feasibility arithmetic they imply, and how published terms commonly treat breaches.

Bonus expiry: the deadline math nobody does

Converting an expiry window into required turnover per day — and why short deadlines quietly raise the effective cost of an offer.

Max cashout and sticky bonuses: the ceiling on withdrawals

Sticky versus withdrawable structures and cashout caps — the clauses that make any bonus-value estimate an upper bound.

'Bonus abuse': what casino terms actually mean by it

What published terms define as irregular play, what they don't — and why understanding the math is not among the listed behaviors.

Budgeting for safer play: limits that survive a losing streak

Money, time, and stop-loss limits built from the tools' own math — and why chasing losses fails arithmetically, not just emotionally.

Turnover vs. bankroll: why you can wager 3,000 from a 100 budget

The re-staking cycle explained round by round — why total wagered dwarfs your budget, and which number to compare against it.

How to read a bonus offer in ten minutes

A clause-by-clause reading checklist that maps every bonus term onto a calculator field — and three honest outcomes at the end.