Weight

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This article is about the mechanic. For other uses, see Weight (disambiguation).
Carrying less weight allows players to run for a longer period of time.
Weight icon.png

The weight of items refers to how heavy they are, and is measured in kilograms (kg). Every item has a weight, although it may be zero (for example, stackable items) or even negative, such as the boots of lightness. Weight is stored as grams, holding 3 points of precision when converted to kilograms.

Players can see the total weight of the items they are carrying on the Equipment Stats screen from the Worn Equipment interface. This will include items they have equipped as well as those carried in the inventory. Many non-stackable items weigh fractions of a kilogram, but the Equipment Stats screen truncates (does not show the decimal portion), so these may appear as zero even though they have some slight weight.

Effects of weight[edit | edit source]

Carrying more weight causes energy to decrease more quickly. The minimum possible rate of energy loss while running is 0.7 %/tick (when your weight is 0 kg or less), while the maximum possible rate of energy loss is 1.4 %/tick. The rate of decrease of energy per kilogram has been empirically found to be 0.00729166 ± 0.00000004 %/tick/kg, that is, for every kg of weight you add on, the rate of energy loss increases by approximately 0.00729166 %/tick. However, for any given weight, the rate of energy loss is truncated to the nearest hundredth. A consequence of this is that you can carry up to 1.371 kg with exactly the same run energy drain rate as if you were carrying 0 kg.

Players who undertake activities requiring a lot of running around would be well advised to minimise the total weight they carry while doing so, since they will be able to run for longer.

Some activities in RuneScape require players to weigh no more/no less than a certain amount. For example, whilst doing the Pirate Pete part of the Recipe for Disaster quest, players must be carrying no more than 27 kg to dive off Port Khazard. In the quest Temple of Ikov, players must weigh less than 0 kg to cross a bridge, this is just after having received the boots of lightness. To get into Movario's base (during and after While Guthix Sleeps) you need to weigh more than 1 kg.

Extrema[edit | edit source]

Heaviest items[edit | edit source]

This lists only the 30 heaviest items in RuneScape; a complete list of all items can be found here.

Item Weight (kg)
Stone slab.png: RS3 Inventory image of Stone slab Stone slab 32
Sandstone (32kg).png: RS3 Inventory image of Sandstone (32kg) Sandstone (32kg) 32
Cannon barrel.png: RS3 Inventory image of Cannon barrel Cannon barrel 32
Doc's cracked orb.png: RS3 Inventory image of Doc's cracked orb Doc's cracked orb 32
Ana in a barrel.png: RS3 Inventory image of Ana in a barrel Ana in a barrel 32
Barrel bomb.png: RS3 Inventory image of Barrel bomb Barrel bomb 32
Big rock.png: RS3 Inventory image of Big rock Big rock 32
Astral token.png: RS3 Inventory image of Astral token Astral token 32
Aminishi soil.png: RS3 Inventory image of Aminishi soil Aminishi soil 32
Doc's rotten timber.png: RS3 Inventory image of Doc's rotten timber Doc's rotten timber 32
Iron girder.png: RS3 Inventory image of Iron girder Iron girder 32
Steel girder.png: RS3 Inventory image of Steel girder Steel girder 32
Naphtha mix (sulphur).png: RS3 Inventory image of Naphtha mix (sulphur) Naphtha mix (sulphur) 32
Barrel of coal-tar.png: RS3 Inventory image of Barrel of coal-tar Barrel of coal-tar 32
Toxic naphtha.png: RS3 Inventory image of Toxic naphtha Toxic naphtha 32
Doc's broken shieldbow.png: RS3 Inventory image of Doc's broken shieldbow Doc's broken shieldbow 32
Barrel bomb (unfused).png: RS3 Inventory image of Barrel bomb (unfused) Barrel bomb (unfused) 32
Naphtha mix (quicklime).png: RS3 Inventory image of Naphtha mix (quicklime) Naphtha mix (quicklime) 32
Broken cannon.png: RS3 Inventory image of Broken cannon Broken cannon 32
Crate with zanik.png: RS3 Inventory image of Crate with zanik Crate with zanik 32
Naphtha apple mix.png: RS3 Inventory image of Naphtha apple mix Naphtha apple mix 32
Barrel of naphtha.png: RS3 Inventory image of Barrel of naphtha Barrel of naphtha 32
Doc's broken dagger.png: RS3 Inventory image of Doc's broken dagger Doc's broken dagger 32
Doc's old clothes.png: RS3 Inventory image of Doc's old clothes Doc's old clothes 32
Gold helmet.png: RS3 Inventory image of Gold helmet Gold helmet 31.751
Tent.png: RS3 Inventory image of Tent Tent 30
Sandstone body.png: RS3 Inventory image of Sandstone body Sandstone body 30
Smelly crate.png: RS3 Inventory image of Smelly crate Smelly crate 30
Bundle o' kegs.png: RS3 Inventory image of Bundle o' kegs Bundle o' kegs 30
Full crate.png: RS3 Inventory image of Full crate Full crate 30

Heaviest item per slot (members)[edit | edit source]

Item Slot Weight (kg)
Gold helmet.png: RS3 Inventory image of Gold helmet Gold helmet 31.751
Diving apparatus.png: RS3 Inventory image of Diving apparatus Diving apparatus 10
Seal of passage.png: RS3 Inventory image of Seal of passage Seal of passage 4.535
Tirannwn quiver 1.png: RS3 Inventory image of Tirannwn quiver 1 Tirannwn quiver 1 1
Crate with zanik.png: RS3 Inventory image of Crate with zanik Crate with zanik 32
Granite body.png: RS3 Inventory image of Granite body Granite body 22.679
Granite legs.png: RS3 Inventory image of Granite legs Granite legs 15.875
Penguin gloves.png: RS3 Inventory image of Penguin gloves Penguin gloves 4.535
Bandos boots.png: RS3 Inventory image of Bandos boots Bandos boots 6
Herculean gold ring.png: RS3 Inventory image of Herculean gold ring Herculean gold ring 0.453
Statue collection bag.png: RS3 Inventory image of Statue collection bag Statue collection bag 10

Heaviest item per slot (free-to-play)[edit | edit source]

Item Slot Weight (kg)
Five barrels.png: RS3 Inventory image of Five barrels Five barrels 22.679
Pathfinder cape.png: RS3 Inventory image of Pathfinder cape Pathfinder cape 1.814
Chic scarf (grey).png: RS3 Inventory image of Chic scarf (grey) Chic scarf (grey) 1
Wicked pouch.png: RS3 Inventory image of Wicked pouch Wicked pouch 1
Stone of power.png: RS3 Inventory image of Stone of power Stone of power 30
Adamant platebody (h2).png: RS3 Inventory image of Adamant platebody (h2) Adamant platebody (h2) 11.339
Adamant plateskirt (h2).png: RS3 Inventory image of Adamant plateskirt (h2) Adamant plateskirt (h2) 10.432
Penguin gloves.png: RS3 Inventory image of Penguin gloves Penguin gloves 4.535
Penguin feet.png: RS3 Inventory image of Penguin feet Penguin feet 4.535
Victor's bronze ring.png: RS3 Inventory image of Victor's bronze ring Victor's bronze ring 0.453
Challenge shard.png: RS3 Inventory image of Challenge shard Challenge shard 0.907

Lightest item per slot (members)[edit | edit source]

Item Slot Weight (kg)
Exoskeleton headband#worn.png: RS3 Inventory image of Exoskeleton headband#worn Exoskeleton headband -2
Wicked cape#worn.png: RS3 Inventory image of Wicked cape#worn Wicked cape -6
Heartfreezer amulet.png: RS3 Inventory image of Heartfreezer amulet Heartfreezer amulet 0
Bakriminel bolts.png: RS3 Inventory image of Bakriminel bolts Bakriminel bolts 0
Agile top#worn.png: RS3 Inventory image of Agile top#worn Agile top -12
Agile legs#worn.png: RS3 Inventory image of Agile legs#worn Agile legs -10
Hardened penance gloves#worn.png: RS3 Inventory image of Hardened penance gloves#worn Hardened penance gloves -7
Boots of lightness#worn.png: RS3 Inventory image of Boots of lightness#worn Boots of lightness -4.535
Summer sun ring#Version_2.png: RS3 Inventory image of Summer sun ring#Version_2 Summer sun ring_2 0.001

Lightest item per slot (free-to-play)[edit | edit source]

Item Slot Weight (kg)
Silver athlete's hat#worn.png: RS3 Inventory image of Silver athlete's hat#worn Silver athlete's hat -0.907
Starfire cape#1.png: RS3 Inventory image of Starfire cape#1 Starfire cape 0
Metallic dragon trinkets.png: RS3 Inventory image of Metallic dragon trinkets Metallic dragon trinkets 0
Mithril bolts.png: RS3 Inventory image of Mithril bolts Mithril bolts 0
Law ethereal body#worn.png: RS3 Inventory image of Law ethereal body#worn Law ethereal body -10
Death ethereal legs#worn.png: RS3 Inventory image of Death ethereal legs#worn Death ethereal legs -8
Silver athlete's gloves#worn.png: RS3 Inventory image of Silver athlete's gloves#worn Silver athlete's gloves -0.907
Silver athlete's shoes#worn.png: RS3 Inventory image of Silver athlete's shoes#worn Silver athlete's shoes -0.907
Ring of seeking (hide).png: RS3 Inventory image of Ring of seeking (hide) Ring of seeking (hide) 0.001

A small number of free items have zero weight but some of them have "fake" zero weight, that will increase energy loss rate while running even if the equipment screen shows 0 kg otherwise.[source needed]

Update history[edit | edit source]

The update history project is a work-in-progress – not all updates to this topic may be covered below. See here for how to help out!
  • patch 8 July 2009 (Update):
    • Reworked the code that deals with items that reduce a player's weight and with putting them in the bank.

Trivia[edit | edit source]

  • Processing many of the items changes the weight of them not according to the real world, for example: an inventory of 14 bowstrings and 14 yew longbows (u) weighs 7 kg more than their combined product of 14 yew longbows (actual stringing of a bow would reduce little to no weight), however some cases follow an actual model, like a steel platebody weighs less than the five steel bars used to make it, as scrap metal is disposed in smithing armour.
  • Sometimes RuneScape item weights are unrealistic - for example, the cannonball, which is stackable, weighs 0 kg, when one would expect it to be quite heavy. This is presumably so that the Dwarf multicannon is easier to use. There is also another rather amusing factor - no matter how many Coins you carry in your inventory - which can be great in amount - you can never increase your weight, which will stay the same. However, this could be due to the very inherent magical nature of Gielinor itself, or just a measure of exchanging cash into convenient forms like cheques in the real world.
  • There was once a glitch that activated weight-lowering items without having to wear them. A player could have a full inventory of spottier capes and weigh about -126 kg. The glitch is now fixed.
  • Once a group of armour components are compressed as a set at the Grand Exchange, the set weighs 0 kg, instead of the combined weight of the individual pieces. This could be because of the fact that a compressed set acts like a note containing all the items of the set.
  • The weights of some categories of items seem to indicate that they are or were in the past stored in pounds, instead of kilograms. Batwing legs, for example, weigh exactly 0.453 kg, which is (to the nearest thousandth) exactly the number of kilograms in one pound. Other armours and metals have weights which are near multiples of 0.453 kg, which means that their weights are also very nearly whole numbers of pounds.
  • The kilogram is actually not a unit of weight, but a unit of mass. These terms are often confused; see, for example, the Wikipedia article on "Mass versus weight".