Roll 18d8
Free online 18d8 dice roller and calculator. Roll 18 d8 instantly — see results, min 18, max 144, and average 81.
Quick roll
Dice notation
kh keep highest · kl keep lowest · dl drop lowest · Space roll
Presets
Roll lines
Roll log
Your roll history appears here.
Need to roll 18d8? Dice Cove’s roller is preloaded with 18d8 so you can roll once or many times, log every result, and check the math: minimum 18, maximum 144, expected average 81.
18d8 calculator stats
- Minimum: 18
- Maximum: 144
- Average: 81
Use this page as a quick 18d8 roller and average calculator — roll as many times as you need and compare totals to the 81 expected value. For keep/drop rules and custom formulas, open the dice calculator.
How to roll 18d8
- Press Roll — notation is already set to 18d8.
- Add a modifier (for example 18d8+5) when damage or a bonus applies.
- Check the roll log to compare several 18d8 results in a row.
- Switch dice anytime via the tray or the full dice roller.
Common 18d8 uses
- Quick 18d8 damage or table rolls at the table
- Scaled spell or feature damage that stacks many d8s
- Compare results to the 81 average for 18d8
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Frequently asked questions
What is the average of 18d8?
The average of 18d8 is 81. Each d8 averages 4.5, so 18 × 4.5 = 81.
What is the minimum and maximum for 18d8?
18d8 ranges from 18 (all 1s) to 144 (all 8s).
How do I roll 18d8 with a modifier?
Type 18d8+3 (or use the modifier field) to add a bonus to the total — useful for damage riders and spell attack modifiers.