updated regularly – latest review: October 2026
Online wagering calculator
Wagering Requirements Calculator
Enter your bonus and its wagering terms. Results update as you type.
Watch: How to Use the Wagering Calculator
A step-by-step walkthrough, with narration.
How to Use the Wagering Calculator
Our wagering calculator shows how much you need to bet to clear a casino bonus. It also estimates what the bonus is really worth once the wagering is taken into account. Because the results update as you type, there is no button to press.
1. Enter the bonus amount
First, type the bonus you received in pounds. For example, enter 20 for a £20 bonus.
2. Enter your deposit (optional)
You only need this if the wagering applies to your deposit as well as the bonus. Otherwise, leave it blank.
3. Choose the wagering multiplier
Next, tap the multiplier shown in the bonus terms, from 1× up to 10×. Since 19 January 2026, 10× is the most a UK-licensed casino can set. If yours is not listed, simply type it into the box instead.
4. Choose what the multiplier applies to
Most offers use Bonus only. However, some terms say the deposit counts towards wagering too, so pick Bonus + deposit in that case.
5. Add your stake and progress (optional)
Finally, enter your usual stake per bet to see how many bets are left. If you have already started, add the amount you have wagered so far. As a result, the calculator shows what remains and fills the progress bar.
Reading Your Results
- Total wagering requirement is the full amount you must bet. The sum is shown underneath, for example £20.00 × 10.
- The progress bar shows how much of the requirement you have completed so far.
- Left to wager is the amount still to bet after anything you have already wagered.
- Bets left at your stake tells you how many more bets that takes.
- Estimated bonus value is the bonus minus the average cost of the remaining wagering. This cost is based on the Game RTP figure, which is set to 96% by default, so change it to match the game you plan to play.
In short, a green figure means the bonus is worth claiming on average. In contrast, a red figure means the wagering is likely to cost more than the bonus is worth. Press Reset whenever you want to clear everything and start again.
Quick Examples
- £20 bonus, 5× on the bonus only: you need to wager £100. At 96% RTP that costs about £4 on average, so the bonus is worth about £16.
- £20 bonus plus £20 deposit, 10× on bonus and deposit: this time you need to wager £400. At 96% RTP that costs about £16, which means the bonus is worth only about £4.
- Part-way through: if you have already wagered £100 of a £400 requirement, £300 is left. At £0.50 per spin, that works out as 600 bets.
As these examples show, the same £20 bonus can be worth very different amounts. That is why it pays to check the numbers in a wagering calculator before you deposit.
Tips and Common Pitfalls
- Read the terms. Only choose Bonus + deposit if the terms clearly include the deposit in the wagering.
- Watch the maximum bet. Most bonuses limit your stake while wagering, often to £5 or less. Breaking this rule can void your winnings.
- Look at game contribution. Some games, especially table games, count less than 100% towards wagering. In some cases they are excluded completely.
- Use a realistic RTP. The estimated value is only as accurate as the RTP you enter. Fortunately, you can usually find it in the game’s information screen.
- Keep your progress up to date. Update the amount already wagered as you play, so you always know exactly what remains.
Wagering Calculator FAQs
What does 10× wagering mean?
It means you must bet ten times the bonus (or the bonus plus deposit) before you can withdraw. For example, a £20 bonus with 10× wagering needs £200 of bets.
Is there a limit on wagering in the UK?
Yes. Since January 2026, the UKGC caps wagering on new bonuses at 10×. Our guide to the UKGC wagering cap explains the details.
Why is the estimated value lower than the bonus?
Every bet has a small built-in cost, known as the house edge. The more you have to wager, therefore, the more of the bonus that cost uses up.
Please note that this wagering calculator gives estimates only. It does not change anything on your casino account, so always check your balance and progress with the casino. To see how a bonus might play out over thousands of sessions, try our casino offer simulator. For more on how bonuses work, see our resources section. Always gamble responsibly. Free and confidential support is available from GambleAware if gambling is affecting you or someone close to you.