Heavy Inventories
by iso2t
Heavy Inventories gives items a weight, so carrying capacity becomes a limit players must manage on Fabric and NeoForge.
What it does
Heavy Inventories adds a weight system to Minecraft in which items and blocks each carry a weight, and a player's carrying capacity decides how much can be held before movement is affected. The system is inspired by the weight mechanic of The Elder Scrolls V: Skyrim. Walking is slowed gradually once a player nears the limit, and weight effects integrate with the game's existing movement, hunger, stamina and fall damage. Overloading makes travel slower and more costly in food, so players must decide what to keep.
Default weights come from material recipes, and other item weights are calculated from them. Custom weights can be set with datapacks, and server owners control the gameplay settings, which can be changed in game by operators. The mod requires Easy Config and Fabric API. Installation covers the server and each player's game. Files cover 1.21.1 and the 26.x releases up to 26.3, and the code is open source under the GNU Lesser General Public License v3.0 or later.
Key features
Item weight system
Items and blocks carry weights, so the inventory has a physical cost that shapes what a player chooses to carry.
Armor enchantments
Three enchantments raise carrying capacity or ease movement: Bracing for chestplates, Reinforced for leggings and Surefooted for boots.
Strength potions
Strength potions increase carrying capacity while their effect is active.
Datapack weights
Custom weights for items are supported through datapacks, and an English language file serves as a starting point for translations.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 2
Use cases
Survival and exploration
Players gathering resources on long trips must choose which supplies to take, because a full inventory slows travel.
Adventure maps
Map makers can rely on weight limits to shape how much equipment an adventurer brings into a run.
Who it’s for: Players who want inventory choices to carry a cost, and server owners who want to tune weight rules through settings or datapacks.
How it compares
MT Inventory Weight is an open source weight mod released under the CC0 1.0 Universal license, for Fabric, Forge and NeoForge across 1.20 – 26.1.2, with the same client and server environment. Heavy Core Recipe is not open source, is server required with an optional client, and covers Fabric, Forge, NeoForge and Quilt for 1.21 – 26.3.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Heavy Inventories | Fabric and NeoForge | 1.21.1 – 26.3 | Client and server | 2026-10-09 |
| MT Inventory Weight | Fabric, Forge and NeoForge | 1.20 – 26.1.2 | Client and server | 2026-06-13 |
| Heavy Core Recipe | Fabric, Forge, NeoForge and Quilt | 1.21 – 26.3 | Server required, client optional | 2026-09-21 |
Questions
Does Heavy Inventories require Fabric API?
Does the server need the mod?
Can the weight of items be changed?
In the catalog
Heavy Inventories is one of 17,631 Equipment mods on ModsFinder, and one of 8,894 Equipment mods for Fabric. 8,071 mods support Minecraft 26.3.
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What the author says
Heavy Inventories adds a new weight system to Minecraft, allowing players to manage their inventory more effectively and adapt to different gameplay styles. Inspired by the weight system in TESV: Skyrim, Heavy Inventories introduces a unique gameplay mechanic that encourages players to carefully manage their…
Official listing
- Modrinth page
- modrinth.com/mod/heavy-inventories
- Owner
- iso2t
- Published
- 2024-06-14
- Updated on Modrinth
- 2026-10-09
- Facts verified
- 2026-10-15