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[Armok]

I always figured it was something obscure/abstract, like bounding box volume or surface area visible from a specific point. Something mose representing of how big it looks at a glance than actual physical propeties.

[Deon]

I still think, looking at mechanics, that the size has no direct connection to weight or height, it's a main factor of combat capabilities of a creature using its bare fists/legs/teeth. "Size" is there for us to easier understand that, however it could be called "power" or "rating" or whatever, and it wouldn't affect anything but combat because creatures in df has no size and no actual weight.

[Neonivek]

Size is supposed to be Length and Width and height but it is sorta in limbo

[PsychoBuck]

Size is supposed to be Length and Width and height but it is sorta in limbo

Yeah, you seem to be right. There is a correlation with "size" and actual size but from the looks of it, it seems to be unfinished and in a placeholder state right now. It is done enough where it works with the game but not enough for an actual realistic comparison and there are also creatures in size categories that weight less than lower size creature but are larger than them so weight(I wanted to try mass but I didn't think it was THAT important; I might add it later) isn't the only factor but includes dimensional size as well. For now, it is only relevant to combat but that is likely to be changed later. I also think small, narrow, stout, and large are more for the shape a person entity is for equipment limitations. So that sums it up. Thanks for the help.

Edit: Ok, I was factoring volume as a factor in size and didn't bother to check a mass formula as I was thinking of another formula.

[zchris13]

Why do you need volume to calculate mass?

[Earthquake Damage]

I still think, looking at mechanics, that the size has no direct connection to weight or height, it's a main factor of combat capabilities of a creature using its bare fists/legs/teeth. "Size" is there for us to easier understand that, however it could be called "power" or "rating" or whatever, and it wouldn't affect anything but combat because creatures in df has no size and no actual weight.

Pure, brazen lies!  It doesn't just reflect combat strength.  Size also affects the amount of meat and bone you get from a decayed/butchered creature.  It also determines the size of armor/clothing made by a given civ.

If two civ creatures have the same size and matching [STOUT]/[NARROW] tags, then they can wear each other's clothes.  A larger creature (relative to your civ) makes/wears "large" clothing.  Smaller ones make "small" gear.  Stout makes "wide" (IIRC -- might be called "large" instead).  Narrow makes "narrow" (or whatever it is goblins wear).  The adjectives are always from your frame of reference, which is either your civ (usually dwarves) in Fortress mode or your character in Adventure mode.

More fun size facts I discovered long enough ago that you should probably take them with a grain of salt:  Size for non-vermin creatures seems to default to 7 when unspecified.  The size of any [ITEMCORPSE] armor is also always size 7, regardless of creature size.

Also of note:  IIRC someone mentioned corpse weight, which appears to be 50 units times creature size.  I assume this applies to living creatures, too, like caged donkeys and such.  So it indeed is a measure of weight. 

[Reese]

Size is one of the factors you can use when defining pressure plates, too.

[Neonivek]

Size is one of the factors you can use when defining pressure plates, too.

Pressure plates seem to function via magic as it is.

[Angellus]

Size is one of the factors you can use when defining pressure plates, too.

Pressure plates seem to function via magic as it is.

What doesn't? XD And we need magic in DF? We already have it!

Now get back on topic!
Who has some value's of size versus volume of creatures?

[lemonpieman]

Why do you need volume to calculate mass?

This is the answer.


We can't possibly get mass from the size. I don't really think we can get it from anything inside the raws.

[Puzzlemaker]

Someone should go through the raws and catagorize the sizes so we know what we are dealing with.

[eerr]

if you want e in excel, you could calculate it using

(1+1/n)^n

the bigger n is the more accurate it will be.

[HAMMERMILL]

Maybe size has less to do with mass or weight, but rather height off the ground or the length of the body, since size in DF seems to mostly deal with the combat mechanics of blocking and whatnot.

A human and an Ironman are the same size, but I'd imagine the latter enjoys a significant weight advantage.

I think it might represents the ease of the combatant to keep his distance or close the distance in a close fight. Just like a 5' 9" boxer going against a 6' 5" boxer, they might weigh the same but the tall guy is going to have the advantage of reach and height in a boxing match. It would be like a size 6 creature going at a size 7 creature.

Or something. It might lose some of its meaning if you have a boxer fighting a horse though.

[chinkeeyong]

I've always gotten the feeling that size represents roughly how tall or long a creature is, slightly larger than feet.

Someone should go through the raws and catagorize the sizes so we know what we are dealing with.

Ok.

None: vermin, all small fish
2: hoary marmot, fox, raccoon, groundhog, stingray
3: cat, fire imp, carp, all gnomes, rhesus macaque, all gibbons, milkfish, cod, bluefish, tigerfish, sea lamprey, spiny dogfish
4: ratman, batman, antman, gremlin, cave swallowman, large rat, siamang, naked mole dog
5: kobold, dog, all wolves, mountain goat, snailman, slugman, leechman, frogman, olmman, longnose gar, pike, deer, warthog, cheetah, mandrill, chimpanzee, bonobo
6: dwarf, goblin, harpy, troglodyte, leopard, strangler, opah, great barracuda, giant mole, frill shark, angel shark, coelacanth
7: human, elf, donkey, cougar, jaguar, fire man, magma man, iron man, mud man, tigerman, lizardman, snakeman, beak dog, grimeling, foul blendec, orangutan, merperson, satyr, conger eel, elk, spotted wobbegong, all reef sharks
8: werewolf, black bear, mule, lion, tiger, gorilla, giant cheetah, nightwing, giant rat, giant cave swallow, common skate
9: horse, cow, grizzly bear, troll, ogre, unicorn, minotaur, sasquatch, blizzard man, muskox, giant grouper, halibut, alligator, giant leopard, nurse shark, all mako sharks
10: giant cave spider, giant eagle, all camels, all crocodiles, walrus, sturgeon, polar bear, giant jaguar, giant desert scorpion, giant toad, giant olm, giant bat
11: spirit of fire, giant lion, giant tiger, treant, marlin, bluefin tuna, bull shark
12: frog demon, tentacle demon, ettin, wagon, hippo, ocean sunfish, swordfish, blue shark, hammerhead shark, manta ray
13: great white shark, tiger shark
16: demon, giant, cyclops, elephant, whale, sea serpent, sea monster
18: basking shark
20: dragon, titan, bronze colossus, hydra, whale shark

[Neonivek]

Don't forget to add the Whale Shark to the Size 20s. It really helps get a grasp of the size (Assuming 20 isn't the catch all for 20 - infinity)