Roll Probability Calculator
What are the odds of hitting your champion?
What are the odds of hitting your champion?
Champion Cost
Your Level
Copies Owned
In your hand
0
Copies Out
Other players
0
Pool size: 17 copies · 13 championsAvailable: 17 left
Gold to Roll
40g2g25g50g75g100g
Probability with 40g
Hit 2★ (3 copies)
38%
50% at 48g · 80% at 76g
Hit 3★ (9 copies)
<1%
50% at unlikely at max gold · 80% at unlikely at max gold
Per Shop Breakdown
11.7%
See in 1 shop
per refresh
~8.5
Expected rolls
to see once
~17g
Expected gold
to see once
Probability Curve
Gold spent rolling (x) vs. cumulative probability of hitting target (y). Gold line = your current budget.
Gold Required to Hit
Target25%50%80%95%
2★32g48g76g—
3★————
Calculations use Set 17 exact pool sizes (1-cost: 308 · 2-cost: 260 · 3-cost: 221 · 4-cost: 130 · 5-cost: 90). Probabilities are approximate — assumes other champions in the tier have normal distribution in the pool.