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Dice Probability Calculator
Exact odds for the sum of several dice (2d6, 3d6, 4d10 …).
41.667 %
Chance of at least the target
7
Average sum
2.415
Standard deviation
36
Combinations
| Sum | Ways | Probability | At least |
|---|---|---|---|
| 2 | 1 | 2.7778 % | 100 % |
| 3 | 2 | 5.5556 % | 97.2222 % |
| 4 | 3 | 8.3333 % | 91.6667 % |
| 5 | 4 | 11.1111 % | 83.3333 % |
| 6 | 5 | 13.8889 % | 72.2222 % |
| 7 | 6 | 16.6667 % | 58.3333 % |
| 8 | 5 | 13.8889 % | 41.6667 % |
| 9 | 4 | 11.1111 % | 27.7778 % |
| 10 | 3 | 8.3333 % | 16.6667 % |
| 11 | 2 | 5.5556 % | 8.3333 % |
| 12 | 1 | 2.7778 % | 2.7778 % |
Runs entirely in your browser. Nothing is sent anywhere.
How it works
- 1Paste or type your text.
- 2Choose the options you need.
- 3Copy or download the result.
About this tool
Dice Probability Calculator: Exact odds for the sum of several dice (2d6, 3d6, 4d10 …). Paste your text and the result appears immediately, ready to copy or download. Everything happens locally in your browser — nothing you paste is uploaded or stored.
How do I use the Dice Probability Calculator?
Paste or type your text. Choose the options you need. Copy or download the result.
Is the Dice Probability Calculator free?
Yes. It is completely free with no sign-up, no usage limits and no watermark.
Is my data sent to a server?
No. Everything is calculated locally in your browser. Nothing you enter is uploaded, logged or stored.
Does it work on my phone?
Yes. It works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux — no app needed.