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Dice Result Frequencies

Started by noisms, September 27, 2008, 12:07:35 AM

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noisms

September 27, 2008, 12:07:35 AM
I was wondering, is there a site which compiles probabilities of results for different dice and dice combinations? For example, a site which would tell me the likelihood of getting 14 on a d20, 2d10, d8+d12, 3d6.... etc. Thanks.
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Age of Fable

#1
September 27, 2008, 02:56:46 AM Last Edit: September 27, 2008, 05:40:20 PM by Age of Fable
This shows the chance of getting various results on 2d6:



For other size dice, just change the number of rows and/or columns.

For three dice, use the entire spread of results of two dice as one axis (although this method is unlikely to be the easiest way to calculate odds with several dice).
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Narf the Mouse

#2
September 27, 2008, 08:20:00 PM
One of those is easy; d20 is the same as d100 / 5, so 14 * 5 = 70%.
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ttagxamm

#3
September 27, 2008, 10:22:58 PM
Quote from: Narf the Mouse;252073One of those is easy; d20 is the same as d100 / 5, so 14 * 5 = 70%.
Maybe I'm misunderstanding you, Narf, but isn't there a 5% chance of getting a 14 -- or any other single digit -- on a d20?
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Narf the Mouse

#4
September 27, 2008, 10:29:25 PM
Whoop - My brain's a bit slow today because I'm recovering from a cold.

70% is the chance of rolling under or at, 5% for at and 30% for over or at. That should cover everything. :)
The main problem with government is the difficulty of pressing charges against its directors.

Given a choice of two out of three M&Ms, the human brain subconsciously tries to justify the two M&Ms chosen as being superior to the M&M not chosen.

noisms

#5
September 27, 2008, 10:32:41 PM
14 was just an example plucked from thin air, but I can't believe I was stupid enough to wonder what the chance of getting it on 1d20 was. ;)

Anyway, thanks to you and Age of Fable.
Read my blog, Monsters and Manuals, for campaign ideas, opinionated ranting, and collected game-related miscellania.

Buy Yoon-Suin, a campaign toolbox for fantasy games, giving you the equipment necessary to run a sandbox campaign in your own Yoon-Suin - a region of high adventure shrouded in ancient mysteries, opium smoke, great luxury and opulent cruelty.

Narf the Mouse

#6
September 27, 2008, 10:39:18 PM
Don't worry; didn't think you're stupid. Did think you had a major 'Figure out Statistics' Disadvantage, though. :)
The main problem with government is the difficulty of pressing charges against its directors.

Given a choice of two out of three M&Ms, the human brain subconsciously tries to justify the two M&Ms chosen as being superior to the M&M not chosen.

cheeplives

#7
October 13, 2008, 01:17:03 PM
A bit late to the party, but:

Dice Calc Site #1
Dice Calc Site #2

Both are really good and give the same results. The second one also allows for WW style Target Number mechanics (i.e. success counting). Both give odds for rolling a specific #, vs. rolling over, under, and such.
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The Good Assyrian

#8
October 13, 2008, 04:14:44 PM
Quote from: cheeplives;256069A bit late to the party, but:

Dice Calc Site #1
Dice Calc Site #2

Both are really good and give the same results. The second one also allows for WW style Target Number mechanics (i.e. success counting). Both give odds for rolling a specific #, vs. rolling over, under, and such.

That second site proved to be *very* useful to me!  Thanks!


TGA
 

noisms

#9
October 13, 2008, 11:31:04 PM
Thanks cheeplives. Just what I was looking for.
Read my blog, Monsters and Manuals, for campaign ideas, opinionated ranting, and collected game-related miscellania.

Buy Yoon-Suin, a campaign toolbox for fantasy games, giving you the equipment necessary to run a sandbox campaign in your own Yoon-Suin - a region of high adventure shrouded in ancient mysteries, opium smoke, great luxury and opulent cruelty.
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