Best casinos in United States

Online Casino Bonus Calculator

The Online Casino Bonus Calculator is a free tool we have created to help you understand how casino bonuses work and if a certain welcome offer is a right fit for you. As we are sure you know by now, there are several kinds of promos available when you sign up with a casino.

To make things absolutely clear, we will be focusing on the deposit bonuses and how you can use this free online casino bonus calculator to understand what is the amount you need to play to be able to withdraw your winnings.

It shouldn’t be a mystery by now, but most welcome bonuses come with terms and conditions knowns as wagering requirements. They are written black on white, operators must display them clearly, yet nobody reads them! Fortunately, we review them in detail so make sure to familiarize yourself with them.

The number one complaint most players have with an online casino sounds something like this: “I won an X amount of $$$ and the casino won’t pay”! Sound familiar? First and foremost, a casino does reserve the right to protect its business, nothing wrong with that.

If everybody would just come along and collect the bonus money and just leave, that casino would not last very long. And on top of it all, the government comes along and says: You, like a casino, must discourage any money-laundering attempts and impose these set of rules. For these reasons, the online casino that is certified and regulated are highly responsible brands that undergo strict controls in order to ensure their player’s safety.

Some of the Hottest Casino Bonuses at the Moment

Dicespin Casino
New Casino

New Casino

Rated 95 of 100%

welcome bonus

200% up to €1000 + 10% CashBack

Number of games
250+
Payment methods
8
Game providers
-
Min deposit
€20
US Players
Not Accepted
Casabet Casino
Best Casino 2025

Best Casino 2025

Rated 98 of 100%

welcome bonus

400% Up to €2200 + 350 FS

Number of games
200+
Payment methods
13
Game providers
47
Min deposit
20€
US Players
Not Accepted
Moonwin Casino
Best Casino Bronze

Best Casino Bronze

Rated 97 of 100%

welcome bonus

100% up to €6500 + 180 FS

Number of games
1600+
Payment methods
23
Game providers
93
Min deposit
20€
US Players
Not Accepted
Ritzo Casino Logo
Fan Favourite

Fan Favourite

Rated 95 of 100%

welcome bonus

225% Up to €3000 + 300 FS

Number of games
200+
Payment methods
19
Game providers
41
Min deposit
20€
US Players
Not Accepted
Atlantis Slots Casino
Big Bonus

Big Bonus

Rated 74 of 100%

welcome bonus

450% up to €4500 + 60 FS

Number of games
-
Payment methods
9
Game providers
49
Min deposit
€20
US Players
Not Accepted
Betrolla Casino
Hot Casino

Hot Casino

Rated 87 of 100%

welcome bonus

100% up to €4500 + 275 FS

Number of games
300+
Payment methods
8
Game providers
91
Min deposit
€20
US Players
Not Accepted
LollySpins Casino
Best Casino Silver

Best Casino Silver

Rated 98 of 100%

welcome bonus

400% up to €2200 + 350 FS

Number of games
700+
Payment methods
20
Game providers
68
Min deposit
€20
US Players
Not Accepted
Britsino Casino
New Casino

New Casino

Rated 91 of 100%

welcome bonus

500% up to £2,200 + 2,000 FS

Number of games
290+
Payment methods
6
Game providers
54
Min deposit
£20
US Players
Not Accepted
Blitz Bet Casino
Hot Casino

Hot Casino

Rated 93 of 100%

welcome bonus

400% up to €2000 + 150 FS

Number of games
-
Payment methods
6
Game providers
71
Min deposit
€20
US Players
Not Accepted
Slotimo Casino Logo
Best Casino 2025

Best Casino 2025

Rated 93 of 100%

welcome bonus

150% up to €1000 + 150 FS

Number of games
50+
Payment methods
23
Game providers
51
Min deposit
10
US Players
Not Accepted

 

Try the Online Bonus Calculator Below

Things you’ll see on the calculator screen – Breakdown of the Fields:

  1. Currency tab – the “€” symbol. The currency in which you will deposit. By default, it is the EUR. It doesn’t really matter as most international casinos will convert your deposit automatically when you transfer from the chosen payment method.
  2. Deposit Amount – the amount of money you wish to deposit. 99% of the online casinos on the market have a minimum deposit requirement. That minimum deposit will let you qualify for the welcome package. It can vary between $10, $15 or $20.
  3. Deposit Bonus Percentage – the operators will match your deposit with 50%, 100%, 200%, 300% or 400%. This can apply to your 1st deposit or up to 4 deposits. Read more about the various types of casino welcome bonuses.
  4. Wagering Requirements – our favorite topic. Let’s rephrase that and call it the requirements for the wagers. All the casinos would impose this rule, our job is to check them out and put the operators with the most flexible terms and conditions in front of you. Some casinos would have you play through 10 times the deposit amount before you can withdraw your winnings, some casinos would have you play through 45 times the deposit + the bonus amount before you can collect your money. Choose wisely!
  5. Game Contribution Percentage – yes, different games have different contributions to the requirements for the wagers. Usually, slots contribute with 100% to the requirements, meaning you bet $100 on slots all of it goes to cover the wagering requirements. Some other games, like roulette, only contribute 10% towards the wagers – meaning that is you play $100 at the roulette table, only $10 goes towards covering the requirements.
  6. Bonus Amount – the amount that the casino offers as the bonus.
  7. Total Play Money – the total amount of money you can play with (deposit + bonus)
  8. Amount to be played – the amount of money you have to play through in order to satisfy the wagering requirements and be able to collect your wins.

The bonus calculator shouldautomatically calculate your bonus amount, total balance, and the total amount in your currency that you will need to wager in order to cash out your deposit and bonus.

Let’s use this information for a couple of examples. Let’s say you deposit $100 with a 100% deposit bonus percentage. The casino gives you 10x wagering requirements for the bonus only. You use it to play slots that contribute 100% towards the wagers. Put everything in the calculator.

Your bonus amount is $100, with a total balance of $200. The amount to be played is $1,000, that is 10x deposit (10x $100=$1,000). That is how the wagering requirements work.

Let’s analyze the second example. You feel lucky and deposit $200. The casino is generous and offers you a 200% match on your deposit. This time, the wagering requirements are 35x the deposit and the bonus amount (select by scrolling down in the deposit menu). The game contribution is still 100%. Let’s see how the results have changed.

You have a $400 bonus amount now. Your balance becomes $600 ($200 deposit + $400 casino bonus). The amount you have to play through is now $21k – 35x the deposit and bonus (that’s 35x $600). So we guess we make a valid point when we say pay attention to the wagering requirements.

Deciding which bonus to use is key. It either makes for a great relationship with your casino or you end up being one of those players who complain online. We have covered these bonuses extensively and we advise you to read our attached reviews. Chose smart – play smarter!

The Author

The Author

Jensen Anderson is a seasoned iGaming expert with years of experience reviewing online casinos and slot games. Passionate about fair play and big wins, he dives deep into the latest casino trends, bonus offers, and game mechanics. His sharp insights help players navigate the ever-changing world of online gambling. Whether it’s the hottest new slots or the best high-roller deals, Jensen knows where to find them. Follow his expert takes on CasinoDaddy for the ultimate gaming experience.