Martingale Calculator
The Martingale ladder is simple enough to plan on paper: pick a base stake and a multiplier, and each step is the previous stake times the multiplier.
The formula
Stake at step n = base stake × multiplier^(n−1). Step 1 is your base stake; step 2 is base × multiplier; step 3 is base × multiplier², and so on.
Example ladder
Base stake 20, multiplier 2, 5 steps: 20 → 40 → 80 → 160 → 320. Total risked if you lose all 5: 620. Base stake 20, multiplier 2.2 (the same default Gambargo ships with): 20 → 44 → 96.80 → 212.96 → 468.51.
What a static calculator cannot do
A pen-and-paper ladder does not know when a win happened, does not remember your current step during a live session, and cannot tell you when a draw should or should not advance the step — the rule differs per game (see the Games page). That live tracking, plus a hand-off to Labouchère when the ladder runs out, is what the Gambargo app does automatically.
Try it live
Start a free session in the app and Gambargo computes every step for you as you enter real results — no manual math mid-session.