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Stake Mines Calculator & Payout Table
This free Stake Mines calculator shows the exact win chance, payout multiplier and expected value for any setting: choose 1–24 mines and how many tiles you plan to open. Stake popularised the game, but BC.Game, Roobet and every major Mines casino use the identical 99% RTP formula — so the numbers here match them all.
Illustration of one possible layout —
Full payout table (copy or download)
3 mines
| Gems | Win chance | Odds | Payout |
|---|
Exports the full payout table for the selected mine count — opens cleanly in Excel or Google Sheets. Prefer a static page? See the Mines payout chart.
Practice grid: play a free round
Same board, same odds, no money. Mines are placed with the mine count chosen above; pick tiles and cash out whenever you like. Dollar figures assume a $10 bet.
Practice mines are placed with Math.random(); real casinos use seeded, verifiable randomness — the odds are identical.
How the calculator works
The tool evaluates the standard Mines payout math directly — no simulation, no approximation. Win probability is the product of one survival fraction per pick, and the payout applies the industry-standard 1% house edge:
M is your mine count, k the tiles you open. Because Stake, BC.Game, Roobet, Rainbet, Shuffle, Duel, Gamdom and Rollbit all use this exact rule, the calculator doubles as a verification tool: if a casino's displayed multiplier differs from ours, its house edge is not 1%. The full derivation lives on the multiplier formula page, and the probability theory on odds explained.
How to read the EV figure
Expected value answers one question: what happens to this bet on average? In Mines the answer never changes — win chance × payout = 0.99, so every $1 wagered returns 99 cents on average and the EV reads −1% of your stake. The calculator shows it in dollars to keep the price concrete: a $10 round costs about $0.10 in expectation, a $100 session of $1 bets about $1. Settings move the shape of outcomes (small frequent wins versus rare big ones), never the average. If the practice grid hands you a hot streak, enjoy it — and remember the EV line was telling the truth the whole time.
Three settings worth trying first
- 3 mines, 5 gems — the coin flip: 49.57% to win 2.00×. The most popular target in the game.
- 1 mine, 10 gems — the slow burn: 60.00% to win 1.65×, with tension on every late pick.
- 10 mines, 3 gems — the spike: 19.78% to win 5.00×. Feel how different a 1-in-5.05 game plays.
Run each on the practice grid before betting anything — ten free rounds teach more about variance than any paragraph. When you are ready to play for real, our ranked list of Mines casinos shows where the full 99% table, fast withdrawals and demo modes live, and the strategy guide covers bankroll rules that keep sessions sane.
Quick reference: the 3-mine payout curve
The most common setup, precomputed (the interactive table above covers every other mine count):
| Gems (3 mines) | Win chance | Odds | Payout |
|---|---|---|---|
| 1 | 88.00% | 1 in 1.14 | 1.13× |
| 2 | 77.00% | 1 in 1.30 | 1.29× |
| 3 | 66.96% | 1 in 1.49 | 1.48× |
| 4 | 57.83% | 1 in 1.73 | 1.71× |
| 5 | 49.57% | 1 in 2.02 | 2.00× |
| 6 | 42.13% | 1 in 2.37 | 2.35× |
| 7 | 35.48% | 1 in 2.82 | 2.79× |
| 8 | 29.57% | 1 in 3.38 | 3.35× |
Two patterns worth noticing: the multiplier roughly doubles every two to three picks, and the win chance halves on a similar rhythm — the product of the two never leaves 0.99. That symmetry is the entire game in one sentence; Mines vs Crash explores how the same 1% price buys a completely different ride elsewhere.
Calculator FAQ
How accurate is this Mines calculator?
Exact. It evaluates P = C(25-M, k) / C(25, k) directly and multiplies the inverse by 0.99, the same payout rule used by Stake, BC.Game, Roobet and the rest of our top 8. The displayed multipliers match those casinos' payout tables to the cent.
Does the calculator work for Stake Mines?
Yes - Stake uses precisely this formula (a 1% house edge on a 25-tile board), so every win chance and multiplier shown here matches what Stake displays in its bet panel. The same applies to BC.Game and the other sites in our top list.
What does the expected value (EV) figure mean?
EV is your average result per round if you repeated the same bet forever. In Mines it is always -1% of the stake: win chance times payout equals 0.99 for every setting. A $10 bet has an EV of -$0.10 whether you play 1 mine or 24.
Can this calculator help me win at Mines?
It cannot change the odds - nothing can. What it does is show the true price of every decision before you make it, so you can pick a volatility level deliberately, set a cash-out target and avoid settings you would not have chosen with the numbers in front of you.