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v0.31:Weight

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This article is about an older version of DF.

Weight is an item property, and is measured in units Γ, also known as urists - one unit urist is equivalent to one real kilogram.

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

Items also have a "bulk" which does not depend on the material and is used to determine clutter as well as how many items can fit into a container.

Item Type Volume Bulk Capacity Notes
Bars 200 6000
Cut gems 20 6000
Blocks 250 6000
Rough gems 250 6000
Mined stone 7000 6000
Wood logs 5000 6000
Door 3000 6000
Floodgate 3000 6000
Bed 3000 6000
Chair 3000 6000
Chain 500 6000
Flask 100 3000 1800
Goblet 100 3000 1800
Instrument 400 3000
Toy 100 3000
Window 2000 6000
Cage 3000 6000 60000
Barrel 2000 6000 60000
Bucket 300 6000 6000
Animal trap 300 6000 60000
Table 3000 6000
Coffin 3000 6000
Statue 6000 6000
Corpse Special Special Based on the size of the corpse and what it's made of
Weapon SIZE / 10 6000
Body armor ? 9000 Based on UBSTEP, LBSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Shoes ? 1800 Based on UPSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Shields ? 6000 Based on UPSTEP and the race that crafted it
Helms ? 3000 Based on COVERAGE, LAYER_SIZE, and the race that crafted it
Gloves ? 1200 Based on UPSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Box 2000 or 100 6000 60000 Bags weigh 100, boxes/chests/coffers weigh 2000
Bin 1500 6000 60000
Armor stand 1000 6000 60000
Weapon rack 1000 6000 60000
Cabinet 3000 6000 60000
Figurine 100 3000
Amulet 50 1200
Scepter 300 3000
Ammo SIZE / 10 600
Crown 100 3000
Ring 5 600
Earring 3 600
Bracelet 20 1200
Large gem 5 1800
Anvil 1000 6000
Body part Special Special Based on the size of the body part and what it's made of
Remains 200 1200
Meat 200 6000
Fish 200 6000
Unprepared fish 200 6000
Live vermin Special Special Based on creature's adult size
Tame vermin Special Special Based on creature's adult size
Seeds 10 600
Plant 100 6000
Leather 500 6000
Leaves 5 3000
Thread ceil(Dimension/500) 6000 20 for freshly extracted/gathered thread
Cloth ceil(Dimension/500) 6000 30 for freshly woven cloth
Totem 500 3000
Pants ? 1800 Based on LBSTEP, COVERAGE, LAYER_SIZE, and the race that crafted it
Backpack 500 6000 60000
Quiver 300 6000 12000
Catapult parts 2000 12000
Ballista parts 2000 12000
Siege ammo 3000 30000
Ballista arrow head 1000 6000
Mechanisms 2000 6000
Trap component SIZE/10 6000
Drink 200 600
Powder 200 6000
Cheese 100 6000
Prepared meal 100 6000
Misc. liquid 200 600
Coin 1/16 35
Glob 200 6000
Small rock 200 600 As thrown by adventurers
Pipe section 3000 6000
Hatch cover 1000 6000
Grate 1000 6000
Quern 3000 6000
Millstone 3000 6000
Splint 200 3000
Crutch 200 18000
Traction bench 3000 6000
Orthopedic cast 200 3000
Tool 100 3000 CAPACITY Broken - supposed to be SIZE/10Bug:4979
Slab 6000 6000
Egg Special Special Presumably the caste's EGG_SIZE