Crash calculator

Set a target multiplier and see how often a round gets there, what a losing streak looks like and what the house edge costs you. It works for Aviator and every other crash game.

1.01x2x5x10x25x100x

Optional. Pick a casino and a title, and the calculator uses the RTP in our data for it. Only titles with an RTP figure are listed.

House edge
Chance to reach 2.00x49.50%About 1 round in 2.0. The other 50.50% crash first.
Lose 5 in a row3.28%
Lose 10 in a row0.11%
Profit when it hits, per 1 bet+1.00
Cost per 100 wagered1.00

Crash multiplier odds at a 1% edge

TargetReaches itCrashes firstLose 5 in a rowOn average
1.5x66.00%34.00%0.45%1 in 1.5
2x49.50%50.50%3.28%1 in 2.0
3x33.00%67.00%13.50%1 in 3.0
5x19.80%80.20%33.18%1 in 5.1
10x9.90%90.10%59.38%1 in 10.1
25x3.96%96.04%81.71%1 in 25.3
50x1.98%98.02%90.48%1 in 50.5
100x0.99%99.01%95.15%1 in 101.0
1000x0.10%99.90%99.51%1 in 1010.1

What the crash calculator does

It answers one question for any crash game: how often does a round reach the multiplier you plan to cash out at. Move the slider to a target and the result is the chance of getting there, written as a percentage and as "about 1 round in so many".

Next to that it shows what the target means over a session: the chance of losing 5 and 10 rounds in a row, the profit of one winning bet and the average cost per 100 wagered. Choose a casino and a title, and the house edge is taken from the RTP in our data for that title.

Why crash game odds need a calculator

A crash game shows a rising number and a list of recent rounds. It does not show the odds. Players are left to guess them from the last twenty results, which is exactly the wrong sample. The real odds follow from one published figure, the house edge, which is 100% minus the RTP.

The second reason is that titles differ. One crash game keeps 1 of every 100 wagered, another keeps 3, and some keep far more. The screens look alike. This page puts the difference into numbers before any money is on the table.

How the crash math works

A crash round ends at a random multiplier. With a house edge of 1%, the chance that the round reaches a target is the edge-adjusted inverse of that target.

P(reach m) = (1 − edge) ÷ m
P(reach 2.00x) = 0.99 ÷ 2 = 49.50%

The expected return is the same at every target. Higher targets win less often and pay more, and the edge stays the same.

Verify a crash round

  1. Copy the game hashEach round has a hash shown in the game history.
  2. Paste it into the verifierPick the casino so the right formula is used.
  3. Compare the multiplierThe recomputed crash point must match the one you saw.

How the crash calculator helps in practice

  • Picking an auto cash-outSet the target you have in mind and read how often it is reached. At a 1% edge 2.00x comes in 49.50% of rounds and 10.00x in 9.90%.
  • Sizing a sessionThe streak figures show what a normal bad run looks like. At 2.00x ten losses in a row have a chance of 0.11%, so a bankroll should be able to take them. Other streak lengths are in the losing streak odds.
  • Comparing two titlesLock the calculator to one title, note the chance, then lock it to another. The same 2.00x target is reached in 49.50% of rounds at a 1% edge and in 48.50% at 3%.
  • Testing a strategy claimAny system that promises a profit has to beat the cost per 100 wagered shown here. It is the same at every target, which is why no cash-out point does it. The strategy simulator runs a staking plan thousands of times.

Crash calculator highlights

Exact, not simulated

The chance comes from a formula, so the same input always gives the same answer.

Works with real titles

Lock it to a casino and a game and it uses the RTP we hold for that title.

Streaks included

Five and ten losses in a row are shown for every target.

Runs in your browser

Nothing you set is sent anywhere, and no account is needed.

Aviator ready

One tap sets the 3% edge that follows from the 97% RTP of Aviator by Spribe.

Free to use

No sign-up, no limit on how often you use it.

What the crash calculator cannot tell you

  • It cannot tell where the next round will end. Each round is independent, and the result is fixed by seeds that are hidden until the round is over. Why no crash predictor can work explains the reason.
  • It does not know the maximum multiplier or the bet limits of a title. Those are set by each game and are not part of the formula.
  • It assumes the usual crash model, where the chance of reaching a target is the RTP divided by the target. We have confirmed that model against real rounds for one game only: see the Aviator rounds we recomputed.
  • The RTP of a locked title is the figure in our casino data on the date shown: read in the lobby where the casino shows one, otherwise inside the game or from published figures. If it changes, the number here is out of date until we check again.

Casinos with crash

All casinos

Questions about the crash calculator

Does a higher target change crash game odds in my favour?

No. At a 1% edge the expected return is 99% at every target. Only the variance changes.

Does it work as an Aviator calculator?

Yes, for Aviator by Spribe. Tap the 3% edge: that game publishes a 97% return, so its chance to reach a multiplier is 0.97 divided by the target. A game with the same name from another studio can run on a different figure.

Can a losing streak make the next round more likely to win?

No. Rounds are independent. A streak does not change the odds of the next round.

How often does a crash round reach 2.00x?

At a 1% edge in 49.50% of rounds. At the 3% edge of Aviator by Spribe in 48.50% of rounds.

Can the crash calculator predict the next round?

No. It gives the long-run frequency of a target. The next round is decided by seeds that nobody outside the game can see before it ends.

Where does the house edge of a title come from?

From its RTP: the edge is 100% minus the RTP. When you lock the calculator to a title, it takes the RTP in our data for that casino, and the note under the selector says where the figure was read.