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Plinko calculator: odds, payouts and RTP

On a 16-row board at medium risk, the ball lands in the centre slot 19.64% of the time and pays 0.45×. Each outer slot pays 35.75× and is hit 1 in 65,536 drops. The board returns 98% on average.

Classic payout tables

8 rows

SlotChanceLowMediumHigh
00.391%2.32×19.69×50.45×
13.12%1.51×4.10×6.73×
210.94%1.16×0.98×0.34×
321.88%1.04×0.66×0.17×
427.34%0.58×0.25×0.07×
521.88%1.04×0.66×0.17×
610.94%1.16×0.98×0.34×
73.12%1.51×4.10×6.73×
80.391%2.32×19.69×50.45×

12 rows

SlotChanceLowMediumHigh
00.0244%2.60×34.15×207.41×
10.293%1.69×7.11×27.65×
21.61%1.43×2.85×5.53×
35.37%1.30×1.71×1.38×
412.08%1.17×1.14×0.69×
519.34%0.91×0.71×0.41×
622.56%0.65×0.43×0.28×
719.34%0.91×0.71×0.41×
812.08%1.17×1.14×0.69×
95.37%1.30×1.71×1.38×
101.61%1.43×2.85×5.53×
110.293%1.69×7.11×27.65×
120.0244%2.60×34.15×207.41×

16 rows

SlotChanceLowMediumHigh
00.00153%2.57×35.75×270.05×
10.0244%1.67×7.45×36.01×
20.183%1.67×7.45×36.01×
30.854%1.41×2.98×7.20×
42.78%1.29×1.79×1.80×
56.67%1.16×1.19×0.90×
612.22%1.16×1.19×0.90×
717.46%0.90×0.74×0.54×
819.64%0.64×0.45×0.36×
917.46%0.90×0.74×0.54×
1012.22%1.16×1.19×0.90×
116.67%1.16×1.19×0.90×
122.78%1.29×1.79×1.80×
130.854%1.41×2.98×7.20×
140.183%1.67×7.45×36.01×
150.0244%1.67×7.45×36.01×
160.00153%2.57×35.75×270.05×

How this is calculated

Every row of pegs sends the ball left or right with equal odds, so on an n-row board the chance of landing in slot k (counting from 0 on the left) is C(n, k) ÷ 2ⁿ. The centre slots are common and the edges are rare.

Each risk level starts from fixed relative weights for the slots, then scales them so that Σ chance × payout is exactly 98%. Gates and Vortex reshape the table and are rescaled to the same 98%.

The honest partThe house edge (2%) applies to every bet. No strategy or setting changes the expected loss: rows, risk and mode only change how often you win and how much. Anything can happen in a short session; over many bets the edge takes its share. Set a budget before you play. Responsible play

Questions

Which Plinko risk level is best?

None of them: every rows, risk and mode combination returns 98%. Higher risk moves value from the centre to the rare edge slots, so results swing more.

How often does the ball reach the edge of a 16-row board?

In Classic mode each outer slot needs the ball to bounce the same way 16 times in a row: 1 ÷ 2¹⁶, or 1 in 65,536 drops. Either edge is 1 in 32,768.

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