v0.34:Weight

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v50.14 · v0.47 · v0.34.11 · v0.31 · v0.28 · v0.23 This article is about an older version of DF. More Info · V

Weight, or sometimes more correctly termed mass, is an item property, and is measured in the unit Γ, also sometimes known as urists, or more commonly as the kilogram, its equivalent real-life unit.

Weight is largely used by the game to determine how fast someone or something should move, due to encumbrance effects and carry weight restrictions; to calculate damage, since object mass factors into impact momentum; and to some extent to make temperature calculations, as mass factors into heat capacity. Note that, for DF, weight and mass are currently indistinguishable because as it stands DF gravity is uniform both across the whole universe and from world to world and buoyancy isn't implemented.

Weight is displayed as a quantity associated with an item. Weight calculation is not entirely straightforward, since each item category — or sometimes even individual items — have their own formula for determining weight.

Weight Calculation

The general form for calculating weight in DF is to take the material density (as found in the raws) multiplied by the item's volume.

Weight (in Γ) = Density * Volume / 100,000

An item's volume is also used to determine workshop clutter as well as how many items can fit into a container.

Item Type	Volume	Capacity	Notes
Bars	600
Cut gems	20
Blocks	600
Rough gems	250
Mined stone	10000
Wood logs	5000
Door	3000
Floodgate	3000
Bed	3000
Chair	3000
Chain	500
Flask	100	180
Goblet	100	180
Instrument	400
Toy	100
Window	2000
Cage	3000	6000
Barrel	2000	3000
Bucket	300	600
Animal trap	300	3000
Table	3000
Coffin	3000	6000
Statue	6000
Corpse	Special		Based on the size of the corpse and what it's made of.
Weapon	Special		Varies between 100 (whip) and 1300 (halberd).
Body armor	?		Based on UBSTEP, LBSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it.
Shoes	?		Based on UPSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it.
Shields	?		Based on UPSTEP and the race that crafted it.
Helms	?		Based on COVERAGE, LAYER_SIZE, and the race that crafted it.
Gloves	?		Based on UPSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it.
Box	2000 or 100	3000	Bags have a volume of 100, boxes/chests/coffers have a volume of 2000.
Bin	1500	3000
Armor stand	1000	6000
Weapon rack	1000	6000
Cabinet	3000	6000
Figurine	100
Amulet	50
Scepter	300
Ammo	150
Crown	100
Ring	5
Earring	3
Bracelet	20
Large gem	5
Anvil	1000
Body part	Special		Based on the size of the body part and what it's made of.
Remains	200
Meat	200
Fish	200
Unprepared fish	200
Live vermin	Special		Based on creature's adult size.
Tame vermin	Special		Based on creature's adult size.
Seeds	10
Plant	100
Leather	500
Leaves	5
Thread	ceil(Dimension/500)		20 for freshly extracted/gathered thread.
Cloth	ceil(Dimension/500)		30 for freshly woven cloth
Totem	500
Pants	?		Based on LBSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Backpack	500	3000
Quiver	300	1200
Catapult parts	2000
Ballista parts	2000
Siege ammo	3000
Ballista arrow head	1000
Mechanisms	2000
Trap component	SIZE/10
Drink	200
Powder	200
Cheese	100
Prepared meal	100
Misc. liquid	60
Coin	1/16
Glob	60
Small rock	200		As thrown by adventurers.
Pipe section	3000
Hatch cover	1000
Grate	1000
Quern	3000
Millstone	3000
Splint	200
Crutch	200
Traction bench	3000
Orthopedic cast	200
Tool	SIZE/10	CAPACITY/10
Slab	6000
Egg	Special		Presumably the caste's EGG_SIZE.
Book	100