Roll 3d8
Free online 3d8 dice roller and calculator. Roll 3 d8 instantly — see results, min 3, max 24, and average 13.5.
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 3d8? Dice Cove’s roller is preloaded with 3d8 so you can roll once or many times, log every result, and check the math: minimum 3, maximum 24, expected average 13.5.
3d8 calculator stats
- Minimum: 3
- Maximum: 24
- Average: 13.5
Use this page as a quick 3d8 roller and average calculator — roll as many times as you need and compare totals to the 13.5 expected value. For keep/drop rules and custom formulas, open the dice calculator.
How to roll 3d8
- Press Roll — notation is already set to 3d8.
- Add a modifier (for example 3d8+5) when damage or a bonus applies.
- Check the roll log to compare several 3d8 results in a row.
- Switch dice anytime via the tray or the full dice roller.
Common 3d8 uses
- Quick 3d8 damage or table rolls at the table
- Compare results to the 13.5 average for 3d8
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- Dice calculator — averages, odds, and custom notation
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Frequently asked questions
What is the average of 3d8?
The average of 3d8 is 13.5. Each d8 averages 4.5, so 3 × 4.5 = 13.5.
What is the minimum and maximum for 3d8?
3d8 ranges from 3 (all 1s) to 24 (all 8s).
How do I roll 3d8 with a modifier?
Type 3d8+3 (or use the modifier field) to add a bonus to the total — useful for damage riders and spell attack modifiers.