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Custom Dice Roller Calculator
Odds and averages for rolling any number of dice with any number of sides.
star Free Online Tool
⚡ Instant Results
📊 Clear Comparison
🔒 100% Free Tool
Chance of rolling exactly the target
Compare Your Options And Get Clear Answers
Odds and averages for rolling any number of dice with any number of sides.
Custom Dice Roller Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: P = ways to make the sum / s^n.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Custom Quick Guide
Typical values for reference.
| Dice | Sides | Target | Probability |
|---|---|---|---|
| 2 | 6 | 7 | 16.67% |
| 1 | 20 | 20 | 5.00% |
| 3 | 6 | 10 | 12.50% |
| 2 | 8 | 9 | 12.50% |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Custom Dice Roller Calculator FAQ
Answers to common questions about this calculator.
Count the ways to make the sum and divide by all outcomes.
3.5.
7.
Yes.