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Casino Bonus Wagering Requirements Explained, With Worked Examples

A bonus is only as good as its terms. Here is how to calculate what a wagering requirement really costs.

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Casino Bonus Wagering Requirements Explained, With Worked Examples
Table of contents
  1. 1The arithmetic
  2. 2Terms to check
  3. 3Our view
  4. 4FAQ
  5. 5Sources

Quick answer

A wagering requirement is the amount you must bet before bonus money can be withdrawn. A 100 bonus with 35x wagering means betting 3,500. On a 96% RTP slot the expected cost of that wagering is about 140 — more than the bonus itself. Game weighting, maximum-bet rules and time limits make it harder still.

The arithmetic

3,500Total wagering required
4%House edge on a 96% RTP slot
140Expected cost of the wagering
−40Expected value vs. the 100 bonus

Source: Worked example: 100 bonus, 35x on bonus, 96% RTP slot.

If wagering applies to deposit + bonus, a 100 deposit and 100 bonus at 35x means betting 7,000 — an expected cost of about 280.

Terms to check

  • Wagering on bonus only, or deposit + bonus?
  • Game weighting.
  • Maximum bet while wagering.
  • Time limit.
  • Maximum withdrawal from bonus winnings.

Our view

Lower wagering and clear terms beat a bigger headline number. We score bonus fairness in every casino review.

Read More:   Slot RTP and Volatility: What the Numbers Actually Tell You

Frequently asked questions

What does 35x wagering mean?

You must stake 35 times the bonus (or bonus + deposit, depending on the terms) before withdrawing.

What is game weighting?

The share of each bet that counts toward wagering. Table games often count less than slots.

Sources & references

  1. UK Gambling Commission — fair terms guidance www.gamblingcommission.gov.uk
  2. BeGambleAware www.begambleaware.org
  3. National Council on Problem Gambling www.ncpgambling.org

We check every figure against the source listed. Spotted an error? Request a correction.

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Elena Marsh

About the author

Elena MarshCasino Editor

Elena runs our casino desk: game guides, bonus-terms explainers and hands-on casino reviews scored with our published methodology. (Placeholder profile — replace with your casino editor's real biography.)

  • Leads casino reviews and game guides
  • Online casinos
  • Casino bonuses
  • Game mathematics

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