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 nonstackable 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)
Big rock.png: RS3 Inventory image of Big rock Big rock 32
Sandstone (32kg).png: RS3 Inventory image of Sandstone (32kg) Sandstone (32kg) 32
Doc's rotten timber.png: RS3 Inventory image of Doc's rotten timber Doc's rotten timber 32
Ana in a barrel.png: RS3 Inventory image of Ana in a barrel Ana in a barrel 32
Aminishi soil.png: RS3 Inventory image of Aminishi soil Aminishi soil 32
Toxic naphtha.png: RS3 Inventory image of Toxic naphtha Toxic naphtha 32
Barrel bomb.png: RS3 Inventory image of Barrel bomb Barrel bomb 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
Astral token.png: RS3 Inventory image of Astral token Astral token 32
Doc's broken dagger.png: RS3 Inventory image of Doc's broken dagger Doc's broken dagger 32
Naphtha mix (sulphur).png: RS3 Inventory image of Naphtha mix (sulphur) Naphtha mix (sulphur) 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
Cannon barrel.png: RS3 Inventory image of Cannon barrel Cannon barrel 32
Doc's broken shieldbow.png: RS3 Inventory image of Doc's broken shieldbow Doc's broken shieldbow 32
Stone slab.png: RS3 Inventory image of Stone slab Stone slab 32
Crate with zanik.png: RS3 Inventory image of Crate with zanik Crate with zanik 32
Barrel of naphtha.png: RS3 Inventory image of Barrel of naphtha Barrel of naphtha 32
Barrel bomb (unfused).png: RS3 Inventory image of Barrel bomb (unfused) Barrel bomb (unfused) 32
Doc's old clothes.png: RS3 Inventory image of Doc's old clothes Doc's old clothes 32
Naphtha apple mix.png: RS3 Inventory image of Naphtha apple mix Naphtha apple mix 32
Barrel of coal-tar.png: RS3 Inventory image of Barrel of coal-tar Barrel of coal-tar 32
Doc's cracked orb.png: RS3 Inventory image of Doc's cracked orb Doc's cracked orb 32
Gold helmet.png: RS3 Inventory image of Gold helmet Gold helmet 31.751
Full crate.png: RS3 Inventory image of Full crate Full crate 30
Tent.png: RS3 Inventory image of Tent Tent 30
Barrelchest anchor#new.png: RS3 Inventory image of Barrelchest anchor#new Barrelchest anchor#new 30
Bundle o' kegs.png: RS3 Inventory image of Bundle o' kegs Bundle o' kegs 30
Golden goblin.png: RS3 Inventory image of Golden goblin Golden goblin 30

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

Item Slot Weight (kg)
Gold helmet.png: RS3 Inventory image of Gold helmet Gold helmet Head 31.751
Diving apparatus.png: RS3 Inventory image of Diving apparatus Diving apparatus Cape 10
Seal of passage.png: RS3 Inventory image of Seal of passage Seal of passage Neck 4.535
Wicked pouch.png: RS3 Inventory image of Wicked pouch Wicked pouch Ammo 1
Crate with zanik.png: RS3 Inventory image of Crate with zanik Crate with zanik Two-hand 32
Granite body.png: RS3 Inventory image of Granite body Granite body Body 22.679
Granite legs.png: RS3 Inventory image of Granite legs Granite legs Leg 15.875
Penguin gloves.png: RS3 Inventory image of Penguin gloves Penguin gloves Hand 4.535
Lucky Bandos boots.png: RS3 Inventory image of Lucky Bandos boots Lucky Bandos boots Feet 6
Victor's bronze ring.png: RS3 Inventory image of Victor's bronze ring Victor's bronze ring Ring 0.453
Statue collection bag.png: RS3 Inventory image of Statue collection bag Statue collection bag Pocket 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 Head 22.679
Pathfinder cape.png: RS3 Inventory image of Pathfinder cape Pathfinder cape Cape 1.814
Chic scarf (green).png: RS3 Inventory image of Chic scarf (green) Chic scarf (green) Neck 1
Wicked pouch.png: RS3 Inventory image of Wicked pouch Wicked pouch Ammo 1
Stone of power.png: RS3 Inventory image of Stone of power Stone of power Two-hand 30
Adamant platebody (h2).png: RS3 Inventory image of Adamant platebody (h2) Adamant platebody (h2) Body 11.339
Adamant plateskirt (h5).png: RS3 Inventory image of Adamant plateskirt (h5) Adamant plateskirt (h5) Leg 10.432
Penguin gloves.png: RS3 Inventory image of Penguin gloves Penguin gloves Hand 4.535
Penguin feet.png: RS3 Inventory image of Penguin feet Penguin feet Feet 4.535
Exalted silver ring.png: RS3 Inventory image of Exalted silver ring Exalted silver ring Ring 0.453
Challenge shard.png: RS3 Inventory image of Challenge shard Challenge shard Pocket 0.907

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

Item Slot Weight (kg)
Arctic trapper head.png: RS3 Inventory image of Arctic trapper head Arctic trapper head Head 0
Saradominist banner.png: RS3 Inventory image of Saradominist banner Saradominist banner Cape 0
Heartfreezer amulet.png: RS3 Inventory image of Heartfreezer amulet Heartfreezer amulet Neck 0
Bronze arrow.png: RS3 Inventory image of Bronze arrow Bronze arrow Ammo 0
Tiger shark body.png: RS3 Inventory image of Tiger shark body Tiger shark body Body 0
Prifddinas camouflage legs.png: RS3 Inventory image of Prifddinas camouflage legs Prifddinas camouflage legs Leg 0
Desert camouflage hands.png: RS3 Inventory image of Desert camouflage hands Desert camouflage hands Hand 0
Nature's sentinel boots.png: RS3 Inventory image of Nature's sentinel boots Nature's sentinel boots Feet 0
Firemaking ring.png: RS3 Inventory image of Firemaking ring Firemaking ring Ring 0.001

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

Item Slot Weight (kg)
Golden gnome hat 2014.png: RS3 Inventory image of Golden gnome hat 2014 Golden gnome hat 2014 Head 0
Saradominist banner.png: RS3 Inventory image of Saradominist banner Saradominist banner Cape 0
Heartfreezer amulet (empty).png: RS3 Inventory image of Heartfreezer amulet (empty) Heartfreezer amulet (empty) Neck 0
Mithril bolts.png: RS3 Inventory image of Mithril bolts Mithril bolts Ammo 0
Willow sentinel chest.png: RS3 Inventory image of Willow sentinel chest Willow sentinel chest Body 0
Nature's sentinel trunks.png: RS3 Inventory image of Nature's sentinel trunks Nature's sentinel trunks Leg 0
Frozen gorajan trailblazer hands.png: RS3 Inventory image of Frozen gorajan trailblazer hands Frozen gorajan trailblazer hands Hand 0
Warped gorajan trailblazer feet.png: RS3 Inventory image of Warped gorajan trailblazer feet Warped gorajan trailblazer feet Feet 0
Ring of snow.png: RS3 Inventory image of Ring of snow Ring of snow Ring 0.001

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

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".