Beginner Basics

How Casino Bonuses and Wagering Requirements Work

Sarah Lane 7 min readIntermediate

Casino bonuses come with conditions. Learn how deposit match bonuses work, what wagering requirements really mean, and how to read terms before accepting an offer.

What Is a Casino Bonus?

Casino bonuses are promotional offers made by operators to attract new players or retain existing ones. The most common types include welcome bonuses, deposit match bonuses, no-deposit bonuses, and free spins. While they are presented as additional value, all bonuses come with conditions — the most significant of which are wagering requirements.

A bonus is not free money that can be immediately withdrawn. It is credit that must be "earned" by meeting specific play requirements before any winnings become withdrawable.

The Most Common Bonus Types

  • Welcome bonus — An offer for new players, typically combining a deposit match with free spins. Example: "100% up to £200 + 50 free spins."
  • Deposit match bonus — The casino matches a percentage of your deposit with bonus funds. A 100% match means a £50 deposit gives you £50 in bonus funds to play with.
  • No-deposit bonus — Bonus funds or free spins awarded without requiring a deposit. These typically carry higher wagering requirements and lower maximum withdrawal limits.
  • Free spins — A set number of spins on a designated slot at a fixed value per spin. Winnings from free spins are converted to bonus funds subject to wagering requirements.
  • Reload bonus — A deposit match offered to existing players on subsequent deposits.

Wagering Requirements Explained

Wagering requirements (also called playthrough requirements) specify how many times the bonus amount — or the combined bonus and deposit amount — must be bet through qualifying games before any funds can be withdrawn.

How to calculate the amount you need to wager:

  • Bonus only (e.g., 30x bonus): £100 bonus × 30 = £3,000 in qualifying bets required.
  • Deposit + bonus (e.g., 30x deposit+bonus): (£100 deposit + £100 bonus) × 30 = £6,000 in qualifying bets required.

High wagering requirements on large bonuses can require very significant betting totals — always calculate the actual amount before accepting.

Game Contribution Percentages

Not all games count equally toward wagering requirements. Casinos assign contribution percentages by game type. Typical structures (vary by operator):

  • Slots: 100% contribution (most common)
  • Table games (blackjack, baccarat, roulette): 10% or less, sometimes 0%
  • Video poker: 10% or less
  • Live dealer games: often 0% to 10%

If you prefer table games, a bonus that only counts slots at full value will be very difficult to clear. Always check contribution rates for the games you actually want to play.

Time Limits

Bonuses expire. A 30-day time limit means wagering requirements must be completed within 30 days of claiming the bonus. If the time limit expires before requirements are met, the bonus and related winnings are forfeited. Check the time limit before accepting and consider whether it is realistic given how often you play.

Maximum Bet Restrictions

Most bonus terms include a maximum bet restriction during bonus play — commonly £5 per spin or per bet. Exceeding this limit can result in the bonus being voided and any winnings from that session being forfeit. This restriction applies even if the casino does not flag it during play. Read the terms carefully.

Maximum Withdrawal Limits

Many bonuses — especially no-deposit bonuses and free spins — carry a maximum withdrawal cap. For example, "winnings from free spins capped at £100" means regardless of how much you win from the free spins, you can only withdraw £100. Know this limit before you play.

Reading Bonus Terms

Before accepting any bonus, find and read the full terms and conditions for that specific offer. Look for: the wagering requirement and what it applies to; game contributions; the time limit; the maximum bet restriction; the maximum withdrawal limit; any minimum deposit requirement; and any games excluded from the offer entirely.

If the terms are unclear or difficult to find, that is worth noting before depositing.

Responsible Approach to Bonuses

Never deposit more than you intended simply to unlock a larger bonus. A bonus with a wagering requirement means you will need to bet significantly more than the bonus value to withdraw any winnings — and all that wagering occurs against a house edge. The bonus extends your play but does not change the mathematical outcome of casino games. Accept bonuses when they genuinely complement your planned play, not as the reason to play.

Frequently Asked Questions

Play Responsibly

This guide is for educational purposes only. Casino games involve real financial risk and outcomes are never guaranteed. Always set a budget before you play, only gamble what you can afford to lose, and take regular breaks. If gambling is affecting you or someone you know, visit our Responsible Gambling page for resources and support. 18+ only.