Count the spin value, not the spins. The headline counts the wrong thing on purpose.
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A free spin is not a free bet. It is one spin at a stake the operator sets, on a title the operator selects, usually at the minimum stake the game allows. You cannot raise the stake, you cannot change the game, and you usually cannot choose a different volatility setting. Every element that would let you shape the outcome has been fixed in advance.
That control is the point. The operator knows the game's return to player, knows the stake, and therefore knows within a narrow range what the entire promotion will cost across all the players who take it. There is no uncertainty for them to price in, which is why free spins can be given out in large numbers.
The chosen game is rarely an accident either. It is often a new release the operator or the studio wants in front of players, which is a promotion paid for further up the chain. Sometimes it is a title with a lower published return than the headline games on the site. The game information panel states the return to player, and it is worth opening before the first spin rather than after.
None of this is hidden. It sits in the terms and in the game panel. But the headline is built to be read as a quantity of free play, and the quantity is the least informative number in the offer.
The value of a free spins offer is spins multiplied by spin value multiplied by the game's return to player, less whatever the wagering requirement on the winnings takes back.
Start with the turnover. Two hundred free spins at a spin value of 10p is 200 x £0.10, which is £20 of turnover. Not £200 of anything. Twenty pounds passing through a game.
Now apply the return. If that game runs at 97 per cent, the expected return on £20 of turnover is about £19.40. If it runs lower, the figure falls with it. This is an average across many spins with an enormous spread around it, and on 200 spins of a high-variance slot the single most likely individual outcome is well below the average, with a small chance of something far above it.
So before any wagering requirement is applied, an offer of 200 free spins at 10p is worth somewhat under £20 in expectation. Compare that to how the offer is presented and the gap is the whole marketing trick. It is also why you should always look for the spin value, which is often printed once, in the terms, in small type. If the spin value is not published anywhere, the offer cannot be priced and there is nothing to evaluate.
The same calculation lets you compare offers properly. Fifty spins at 50p is £25 of turnover and is worth more than 200 spins at 10p, despite looking like a quarter of the offer. Our bonus calculator handles the comparison, including the wagering step below.
Most free spins pay their winnings as bonus funds rather than cash, and those funds carry a wagering requirement of their own. This is where the remaining value goes.
Suppose the 200 spins at 10p return £18 in winnings, and the terms attach 35x wagering to that amount. The requirement is 35 x £18, which is £630 of turnover. On a game with a 3 per cent house edge, £630 of turnover has an expected cost of about £19, which is more than the winnings are worth. The offer has been recovered in full by the wagering requirement before you get to the cashier.
Two details change that picture sharply, so look for them. The first is whether the winnings are paid as cash with no wagering at all, which does happen and is the single best term a free spins offer can carry. The second is the maximum cashout, which frequently caps what can be withdrawn from spin winnings at a small fixed amount regardless of what the spins produced. When a cap exists it is the real size of the offer.
Then check the supporting clauses. Expiry, often 24 or 48 hours on the spins and a separate clock on the wagering. Game weighting, which decides whether the turnover you generate counts in full. Maximum stake while a wagering requirement is active, which voids the whole thing if breached. And whether the spins are released in daily batches rather than all at once, which turns one promotion into a reason to come back for a week.
Any free spins headline published without its wagering requirement is incomplete. If a site advertises the spins and does not state the requirement on the winnings before you accept, treat the requirement as unknown and the offer as unpriceable.
There is a version of this offer that stands up. Spins with winnings paid as cash, no wagering requirement, a stated spin value and no cashout cap is a straightforward gift of a small amount of expected value, and those appear often enough to be worth watching for. They are usually smaller in headline terms, because the operator is giving real value rather than a turnover obligation.
There is also a use for the ordinary version that is honest about what it is. Free spins are a funded look at a game you have not played. If you were going to try the title anyway, doing it on the operator's turnover rather than yours is a small gain, provided you accept in advance that the winnings will probably not convert into a withdrawal.
What free spins are not is a route to money, and the structure explains why. The operator sets the stake, selects the game, knows the return, and attaches a requirement that buys back most of what it gave. The house edge is the price of the entertainment, and a wagering requirement is a commitment to buy a specific quantity of it. Free spins simply make the first slice of that purchase look like a present.
If you want the same information without any of it, the RTP simulator will show you what 200 spins at a given return actually looks like across many repetitions, including how rarely the average outcome is the one you get. And if the arrival of free spins in your inbox is what makes you open the site, that is the promotion working exactly as designed, which our responsible gambling page discusses directly.
Multiply the spins by the spin value to get the turnover, then by the game's return to player. At 10p a spin that is £20 of turnover, worth about £19.40 on a game returning 97 per cent, before any wagering requirement on the winnings. The spin value is the number that matters and it is usually printed only in the terms.
Because most offers pay spin winnings as bonus funds with their own wagering requirement attached. Winnings of £18 at 35x mean £630 of turnover before withdrawal. Check also for a maximum cashout, which caps the payout regardless of what the spins produced. Offers that pay spin winnings as cash with no wagering exist and are much better value.
Almost never. The operator selects the title and fixes the stake, usually at the game's minimum. That certainty is what lets them budget the promotion precisely. The chosen game is often a new release being promoted, so open its information panel and read the published return to player before spinning.
On turnover, yes. Fifty at 50p is £25 passing through the game against £20 for the larger-sounding offer. Which is better overall still depends on the game's return, the wagering requirement on the winnings and any cashout cap, but the headline count of spins tells you almost nothing on its own.
Usually quickly, often within 24 or 48 hours, and sometimes released in daily batches rather than all at once. The wagering requirement on any winnings normally runs on a separate and longer clock. A short expiry pushes you into playing at a time the operator chose rather than one you did, which is part of what the promotion is buying.