Wagering calculator
Turn a bonus's wagering into the cash it takes: total bets to clear it, and what that costs on average at the RTP you play.
The formula
- Wagering base = bonus (or deposit + bonus, or deposit, as the terms say)
- Wagering requirement = base x wagering multiplier
- Total bets = requirement / game weighting
- Expected cost = total bets x (100% - RTP)
- Expected bonus value = bonus - expected cost
Worked example above: a 100 bonus at 35x on the bonus, slots at 96% RTP counting 100%. Amounts are in whatever currency you enter.
Expected cost = total bets x (100% - RTP). Assumes slots at 96% RTP and every bet counting 100% toward wagering; caps on winnings ignored. Real sessions swing far above and below the average.
How to use it
Copy four figures from the offer's terms page: the bonus, your deposit, the multiplier and what it applies to. The dropdown matters most, because a 100% match wagered on deposit plus bonus doubles the base. Leave weighting at 100 for slots; type 10 or 20 if you plan to clear it on blackjack or roulette, and the total bets jump tenfold or fivefold. The results recalculate as you type, rounded to whole units, and nothing you enter leaves your browser.
Reading the four results
The requirement is the figure the casino tracks in its bonus balance. Total bets is what you will actually stake once weighting is applied. Expected cost is the average loss on those stakes at the RTP you chose, so a 94% slot costs half again as much as a 96% one. When expected bonus value turns negative, the bonus costs more to clear than it pays, and declining it at the cashier is usually the cheaper choice. A short expiry or a low max bet can make the requirement impossible in practice even when the value looks positive, so check both against your usual stake.
Questions players ask
What does 35x wagering mean?
You must place bets worth 35 times the wagering base before bonus money becomes withdrawable. On a 100 bonus with wagering on the bonus only, that is 3,500 in bets.
What is game weighting?
The share of each bet that counts toward wagering. Slots usually count 100%; table and live games often count 10% or 0%. At 10%, a 3,500 requirement takes 35,000 in bets.
How is the expected cost worked out?
Total bets multiplied by the house edge (100% minus RTP). It is an average over many sessions: a single session can end far above or below it.
Is wagering on deposit plus bonus worse?
Yes. With a 100% match, wagering on deposit plus bonus doubles the base, so 35x becomes the same as 70x on the bonus alone.