Compare3d4+3 vs 2d6 @ AC15 +5 attacks 3

3d4+3 vs 2d6 @ AC15 +5 attacks 3

Side-by-side distributions with exact probabilities. Edit either expression or drag the HP slider — the URL updates as you go, so the page stays shareable. expression syntax →

Strike A

Roll 3 4-sided dice, plus 3.

min 6 max 15 mean 10.50 21/2 ±1.94
P(finish at 12 HP) = 31.25% (5/16)
  • 0 0.00%
  • 1 0.00%
  • 2 0.00%
  • 3 0.00%
  • 4 0.00%
  • 5 0.00%
  • 6 1.56%
  • 7 4.69%
  • 8 9.38%
  • 9 15.63%
  • 10 18.75%
  • 11 18.75%
  • 12 15.63%
  • 13 9.38%
  • 14 4.69%
  • 15 1.56%
  • 16 0.00%
  • 17 0.00%
  • 18 0.00%
  • 19 0.00%
  • 20 0.00%
  • 21 0.00%
  • 22 0.00%
  • 23 0.00%
  • 24 0.00%
  • 25 0.00%
  • 26 0.00%
  • 27 0.00%
  • 28 0.00%
  • 29 0.00%
  • 30 0.00%
  • 31 0.00%
  • 32 0.00%
  • 33 0.00%
  • 34 0.00%
  • 35 0.00%
  • 36 0.00%
  • 37 0.00%
  • 38 0.00%
  • 39 0.00%
  • 40 0.00%
  • 41 0.00%
  • 42 0.00%
  • 43 0.00%
  • 44 0.00%
  • 45 0.00%
  • 46 0.00%
  • 47 0.00%
  • 48 0.00%
  • 49 0.00%
  • 50 0.00%
  • 51 0.00%
  • 52 0.00%
  • 53 0.00%
  • 54 0.00%
  • 55 0.00%
  • 56 0.00%
  • 57 0.00%
  • 58 0.00%
  • 59 0.00%
  • 60 0.00%
  • 61 0.00%
  • 62 0.00%
  • 63 0.00%
  • 64 0.00%
  • 65 0.00%
  • 66 0.00%
  • 67 0.00%
  • 68 0.00%
  • 69 0.00%
  • 70 0.00%
  • 71 0.00%
  • 72 0.00%
Strike B

Roll 1 twenty-sided die. Add +5. Compared against AC 15: you hit if the kept d20 face plus the bonus totals 15 or more (so the d20 needs to land on at least 10). A natural 20 always crits, regardless of AC. On a hit, deal 2 6-sided dice. On a crit, double the damage dice (the 2d6 becomes 4d6); flat modifiers stay the same., plus Roll 1 twenty-sided die. Add +5. Compared against AC 15: you hit if the kept d20 face plus the bonus totals 15 or more (so the d20 needs to land on at least 10). A natural 20 always crits, regardless of AC. On a hit, deal 2 6-sided dice. On a crit, double the damage dice (the 2d6 becomes 4d6); flat modifiers stay the same., plus Roll 1 twenty-sided die. Add +5. Compared against AC 15: you hit if the kept d20 face plus the bonus totals 15 or more (so the d20 needs to land on at least 10). A natural 20 always crits, regardless of AC. On a hit, deal 2 6-sided dice. On a crit, double the damage dice (the 2d6 becomes 4d6); flat modifiers stay the same.

min 0 max 72 mean 12.60 63/5 ±7.78
P(finish at 12 HP) = 52.37%
  • 0 9.11%
  • 1 0.00%
  • 2 0.84%
  • 3 1.69%
  • 4 2.56%
  • 5 3.49%
  • 6 4.50%
  • 7 5.63%
  • 8 5.22%
  • 9 4.99%
  • 10 4.85%
  • 11 4.74%
  • 12 4.58%
  • 13 4.29%
  • 14 4.63%
  • 15 4.67%
  • 16 4.49%
  • 17 4.16%
  • 18 3.73%
  • 19 3.26%
  • 20 2.82%
  • 21 2.48%
  • 22 2.19%
  • 23 1.93%
  • 24 1.69%
  • 25 1.46%
  • 26 1.24%
  • 27 1.02%
  • 28 0.82%
  • 29 0.65%
  • 30 0.51%
  • 31 0.40%
  • 32 0.32%
  • 33 0.25%
  • 34 0.20%
  • 35 0.15%
  • 36 0.12%
  • 37 0.09%
  • 38 0.07%
  • 39 0.05%
  • 40 0.03%
  • 41 0.02%
  • 42 0.02%
  • 43 0.01%
  • 44 0.01%
  • 45 0.01%
  • 46 0.00%
  • 47 0.00%
  • 48 0.00%
  • 49 0.00%
  • 50 0.00%
  • 51 0.00%
  • 52 0.00%
  • 53 0.00%
  • 54 0.00%
  • 55 0.00%
  • 56 0.00%
  • 57 0.00%
  • 58 0.00%
  • 59 0.00%
  • 60 0.00%
  • 61 0.00%
  • 62 0.00%
  • 63 0.00%
  • 64 0.00%
  • 65 0.00%
  • 66 0.00%
  • 67 0.00%
  • 68 0.00%
  • 69 0.00%
  • 70 0.00%
  • 71 0.00%
  • 72 0.00%

B finishes in 1.60 strikes vs A's 1.69 — B wins by 0.09 strikes.

Strikes to kill 12 HP expected: 1.69 (27/16)
  • ≤ 1 31.25%
  • ≤ 2 100.00%
Strikes to kill 12 HP expected: 1.60
  • ≤ 1 52.37%
  • ≤ 2 89.72%
  • ≤ 3 98.27%
  • ≤ 4 99.74%