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

Item Type	Volume	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
Goblet	100
Instrument	400
Toy	100
Window	2000
Cage	3000
Barrel	2000
Bucket	300
Animal trap	300
Table	3000
Coffin	3000
Statue	6000
Corpse	Special	Based on the size of the corpse and what it's made of
Weapon	SIZE / 10
Body armor	(layer size/ material size)/ 1 010	Based on UBSTEP, LBSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Shoes	layer size/ 7 500	Based on UPSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Shields	1/ 100 000	Based on UPSTEP and the race that crafted it
Helms	layer size/ 60 000	Based on COVERAGE, LAYER_SIZE, and the race that crafted it
Gloves	1/ 100 000	Based on UPSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Box	2000 or 100	Bags weigh 100, boxes/chests/coffers weigh 2000
Bin	1500
Armor stand	1000
Weapon rack	1000
Cabinet	3000
Figurine	100
Amulet	50
Scepter	300
Ammo	SIZE / 10
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	layer size/ 5 190	Based on LBSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Backpack	500
Quiver	300
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
Slab	6000
Egg	Special	Presumably the caste's EGG_SIZE
Book	100