Bonus Wagering Calculator
The headline number on a casino bonus is marketing. This is the math: how much you must stake to clear the wagering requirement, and what that turnover is expected to cost against the house edge.
The offer
What it really costs
- Bonus received
- $100.00
- Required turnover
- $4,000
- Expected house-edge cost
- −$160.00
- Expected net value
- −$60.00
Expected value is a long-run average — variance dominates any single session. Max-bet caps, game weighting, and expiry can void a bonus entirely; read the terms. Legal-age players only; play responsibly.
Want the full arithmetic with worked examples? Read our wagering requirements guide — then compare real offers on the bonuses page.
Legal gambling age only. Gamble responsibly.
Gambling involves real financial risk and can be addictive. Set deposit and time limits, never chase losses, and stop if it stops being fun. Free confidential help is available worldwide.