Hytale Repair Kit: How Repairing Works & Durability Calculator

• Craft it at the Workbench (Tier 1) from 2 Linen Scraps, 1 Iron Ingot and 1 Light Leather.
• It can also turn up in chests in Tier 2 and higher structures, at a 1% chance.
• Light Leather comes from tanning the Light Hide that small animals drop. See Ore & Material Locations.

Source: Hytale Wiki: Repair Kit.

• Hold the Repair Kit and right-click. A menu opens with every tool, weapon and armor piece in your inventory that is not at full durability; pick the one to repair.
• Since Update 5, Repair Kits can also repair items stored in your backpack.
• Since Update 5, the Watering Can and Fertilizer can no longer be repaired.

Sources: Hytale Wiki: Repair Kit, Update 5 patch notes.

The Hytale Wiki documents the repair penalty like this:

• Damage taken = 1 − current durability ÷ current max durability.
• Penalty = damage taken × the item's original max durability × 10%, rounded up.
• New max durability = current max durability − penalty. The item is then at full durability again.
• An item needs at least 2 points of damage before it can be repaired.
• Max durability never drops below 10.

Two things follow from the formula. Repairing a fully broken item always costs 10% of its original max durability, and the penalty is based on the original value, so it does not shrink as the item wears down. Example from the wiki: a copper pickaxe with 200 durability, repaired at 0, drops to 180 max durability.

Source: Hytale Wiki: Repair Kit.

The Crude Repair Kit has a 20% penalty instead of 10%. According to the Hytale Wiki, it cannot be found or crafted in Exploration mode and is only available in the Creative inventory. Source: Hytale Wiki: Crude Repair Kit.

Update 7 (October 12, 2026) raised the max durability of every material:

• Pickaxes and hatchets: crude 150 → 200, copper 200 → 300, iron 250 → 500, cobalt and thorium 325 → 700, adamantite 400 → 1000.
• Weapons: crude, bronze, steel and frost 80 → 120, copper 100 → 200, iron 120 → 250, cobalt and thorium 150 → 350, adamantite and ancient steel 180 → 500.

The first number is the value in Update 6, the second the value since Update 7. Update 7 also added the Goblin Repair Kit, which repairs an item without lowering its max durability. Source: Chapter I: Out of the Breach.

When a piece of gear runs out of durability, its effectiveness is significantly reduced, according to the Hytale Wiki. Death can also cost durability: in single-player worlds the death penalty settings include a durability loss percentage. See Death Penalty & Keep Inventory. Source: Hytale Wiki: Durability.

• Hytale Wiki: Repair Kit — recipe, loot, usage and the repair penalty formula with worked examples; edited July 29, 2026.
• Hytale Wiki: Crude Repair Kit — 20% penalty, Creative only.
• Hytale Wiki: Durability — what happens at zero durability.
• Update 5 patch notes — May 26, 2026; backpack repairs, items that can't be repaired.
• Update 7 pre-release notes — pickaxe and hatchet durability changes.