Roll 13d8
Free online 13d8 dice roller and calculator. Roll 13 d8 instantly — see results, min 13, max 104, and average 58.5.
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 13d8? Dice Cove’s roller is preloaded with 13d8 so you can roll once or many times, log every result, and check the math: minimum 13, maximum 104, expected average 58.5.
13d8 calculator stats
- Minimum: 13
- Maximum: 104
- Average: 58.5
Use this page as a quick 13d8 roller and average calculator — roll as many times as you need and compare totals to the 58.5 expected value. For keep/drop rules and custom formulas, open the dice calculator.
How to roll 13d8
- Press Roll — notation is already set to 13d8.
- Add a modifier (for example 13d8+5) when damage or a bonus applies.
- Check the roll log to compare several 13d8 results in a row.
- Switch dice anytime via the tray or the full dice roller.
Common 13d8 uses
- Quick 13d8 damage or table rolls at the table
- Scaled spell or feature damage that stacks many d8s
- Compare results to the 58.5 average for 13d8
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Frequently asked questions
What is the average of 13d8?
The average of 13d8 is 58.5. Each d8 averages 4.5, so 13 × 4.5 = 58.5.
What is the minimum and maximum for 13d8?
13d8 ranges from 13 (all 1s) to 104 (all 8s).
How do I roll 13d8 with a modifier?
Type 13d8+3 (or use the modifier field) to add a bonus to the total — useful for damage riders and spell attack modifiers.