Duel Crash Calculator
Work out the hit chance, bust risk, payout and expected value of any cashout target on Crash at Duel.com — and see how the zero-edge daily allowance changes the math.
Crash risk calculator
Enter your bet and a cashout target. Everything updates as you type — no betting signals, just the math behind one Duel Crash target.
x is 1 ÷ x and EV is zero. Below 100%, the model uses RTP ÷ x; the exact way Duel applies a 0.1% edge after the allowance is not publicly documented, so treat the after-allowance numbers as an estimate. Either way the tool describes risk — it does not know the next round, find patterns, or act as a signal. What it does
Turns one bet and one cashout target into readable numbers: how often that target should hit, how often you bust first, what you win when it lands, and the long-run expectation across many bets.
What it does not do
It does not predict the next crash point, read hidden patterns, generate signals, or tell you when to bet. A calculator can describe randomness; it cannot remove it.
How the zero-edge allowance works
Duel Crash is marketed at 100% RTP, but that rate is tied to a daily zero-edge allowance. Inside it a small base edge is offset, so the long-run expectation is zero; once the allowance is spent, bets run at a small edge (commonly quoted as 99.9% RTP) until the next reset. That is why the calculator separates the two models instead of flattening everything into one number — and why the allowance and cap inputs are editable, since operator terms can change without notice.
Target multiplier reference
A Duel Crash fair-odds reference at 100% RTP, where the chance of hitting a target equals 1 ÷ target. Higher targets pay more but land far less often — long losing streaks at high targets are normal, not a malfunction.
| Target | Hit chance (100%) | Hit chance (99.9%) | Profile |
|---|---|---|---|
| 2.00x | 50.00% | 49.95% | Near coin-flip reference |
| 5.00x | 20.00% | 19.98% | Most rounds miss first |
| 10.00x | 10.00% | 9.99% | High variance |
| 100.00x | 1.00% | 1.00% | Lottery-style swing |
Provably fair: how to check a round
Provably fair lets you confirm a result was fixed before your bet, not changed afterwards. Duel Crash, like the other Duel Originals, publishes the standard commit-and-reveal flow: a server seed, your client seed and a per-round nonce are combined and hashed, with the hashed server seed shown before the round, then revealed after so you can re-hash and confirm the match.
It proves a single round was not tampered with — not the long-run RTP, and not a prediction. Always verify the exact steps in the live game.
Keep going
How long the daily allowance lasts and what play costs once it runs out.
Reference Compare cashout targetsAn editable table of hit rates, bust risk and payouts across multipliers.
Fairness Verify a round step by stepThe commit-and-reveal flow, a live hash demo, and what it cannot prove.
Frequently asked questions
Is this a Duel Crash predictor?
No. The calculator does not predict crash points, find patterns, or generate signals. It estimates how often a target multiplier should land, from the game's RTP — nothing more.
What formula does the calculator use?
At 100% RTP the game is priced at fair odds, so the odds of reaching a given target equal 1 divided by it — a 2.00x target is 50%, a 10.00x target is 10%. Below 100%, it uses RTP divided by the target as an estimate.
Why are there 100% and 99.9% RTP modes?
The zero-edge rate depends on whether a bet is still inside the daily allowance. Separating the two models keeps the expected-value estimate honest instead of collapsing both into one number.
Can it tell me the best cashout multiplier?
No single target is best for everyone. Low targets hit often but pay little; high targets pay more but miss more. The tool helps you compare risk, not guarantee profit.
Is duelcrash.com the official Duel website?
No. duelcrash.com is an independent calculator and information site. It is not Duel.com, does not operate the game, and does not accept deposits or bets.