v0.34:Weight

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v50.13 · 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	N/A
Cut gems	20	N/A
Blocks	600	N/A
Rough gems	250	N/A
Mined stone	10000	N/A
Wood logs	5000	N/A
Door	3000	N/A
Floodgate	3000	N/A
Bed	3000	N/A
Chair	3000	N/A
Chain	500	N/A
Flask	100	180
Goblet	100	180
Instrument	400	N/A
Toy	100	N/A
Window	2000	N/A
Cage	3000	6000
Barrel	2000	3000
Bucket	300	600
Animal trap	300	3000
Table	3000	N/A
Coffin	3000	N/A
Statue	6000	N/A
Corpse	Special	N/A	Based on the size of the corpse and what it's made of
Weapon	SIZE / 10	N/A
Body armor	(layer size/ material size)/ 1 010	N/A	Based on UBSTEP, LBSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Shoes	layer size/ 7 500	N/A	Based on UPSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Shields	1/ 100 000	N/A	Based on UPSTEP and the race that crafted it
Helms	layer size/ 60 000	N/A	Based on COVERAGE, LAYER_SIZE, and the race that crafted it
Gloves	1/ 100 000	N/A	Based on UPSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Box	2000 or 100	3000	Bags weigh 100, boxes/chests/coffers weigh 2000
Bin	1500	3000
Armor stand	1000	6000
Weapon rack	1000	6000
Cabinet	3000	6000
Figurine	100	N/A
Amulet	50	N/A
Scepter	300	N/A
Ammo	SIZE / 10	N/A
Crown	100	N/A
Ring	5	N/A
Earring	3	N/A
Bracelet	20	N/A
Large gem	5	N/A
Anvil	1000	N/A
Body part	Special	N/A	Based on the size of the body part and what it's made of
Remains	200	N/A
Meat	200	N/A
Fish	200	N/A
Unprepared fish	200	N/A
Live vermin	Special	N/A	Based on creature's adult size
Tame vermin	Special	N/A	Based on creature's adult size
Seeds	10	N/A
Plant	100	N/A
Leather	500	N/A
Leaves	5	N/A
Thread	ceil(Dimension/500)	N/A	20 for freshly extracted/gathered thread
Cloth	ceil(Dimension/500)	N/A	30 for freshly woven cloth
Totem	500	N/A
Pants	layer size/ 5 190	N/A	Based on LBSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Backpack	500	3000
Quiver	300	1200
Catapult parts	2000	N/A
Ballista parts	2000	N/A
Siege ammo	3000	N/A
Ballista arrow head	1000	N/A
Mechanisms	2000	N/A
Trap component	SIZE/10	N/A
Drink	200	N/A
Powder	200	N/A
Cheese	100	N/A
Prepared meal	100	N/A
Misc. liquid	60	N/A
Coin	1/16	N/A
Glob	60	N/A
Small rock	200	N/A	As thrown by adventurers
Pipe section	3000	N/A
Hatch cover	1000	N/A
Grate	1000	N/A
Quern	3000	N/A
Millstone	3000	N/A
Splint	200	N/A
Crutch	200	N/A
Traction bench	3000	N/A
Orthopedic cast	200	N/A
Tool	SIZE/10	CAPACITY/10
Slab	6000	N/A
Egg	Special	N/A	Presumably the caste's EGG_SIZE
Book	100	N/A