Anvil Enchantment Cost Calculator — Enter Your Combination
Use the planner above, then read how each line item maps to vanilla math below.
How Minecraft Anvil Cost Is Calculated
The Prior Work Penalty Formula: Cost = 2ⁿ − 1
| Use # | Formula | Penalty added | Running penalty | Status |
|---|---|---|---|---|
| 0 (new item) | 2⁰ − 1 | 0 | 0 | ✓ OK |
| 1st use | 2¹ − 1 | 1 | 1 | ✓ OK |
| 2nd use | 2² − 1 | 3 | 3 | ✓ OK |
| 3rd use | 2³ − 1 | 7 | 7 | ✓ OK |
| 4th use | 2⁴ − 1 | 15 | 15 | ✓ OK |
| 5th use | 2⁵ − 1 | 31 | 31 | ✓ OK |
| 6th use | 2⁶ − 1 | 63 | 63 | ❌ Too Expensive risk |
Enchantment Base Cost: Book vs Item-to-Item
Book → item uses the table below. Item + item merges halve enchant costs but still stack penalties on both sides.
The 39-Level "Too Expensive" Hard Cap
Any single Survival operation above 39 levels shown is blocked. Split books or restart from fresh gear.
Anvil Cost Per Enchantment — Full Reference Table
| Enchantment | I | II | III | IV | V |
|---|---|---|---|---|---|
| Aqua Affinity | 4 | — | — | — | — |
| Bane of Arthropods | 1 | 2 | 4 | 8 | 16 |
| Blast Protection | 2 | 4 | 8 | 16 | — |
| Breach | 2 | 4 | 8 | 16 | — |
| Channeling | 8 | — | — | — | — |
| Curse of Binding | 8 | — | — | — | — |
| Curse of Vanishing | 8 | — | — | — | — |
| Density | 1 | 2 | 4 | 8 | 16 |
| Depth Strider | 2 | 4 | 8 | — | — |
| Efficiency | 1 | 2 | 4 | 8 | 16 |
| Feather Falling | 1 | 2 | 4 | 8 | — |
| Fire Aspect | 2 | 4 | — | — | — |
| Fire Protection | 1 | 2 | 4 | 8 | — |
| Flame | 4 | — | — | — | — |
| Fortune | 2 | 4 | 8 | — | — |
| Frost Walker | 2 | 4 | — | — | — |
| Impaling | 1 | 2 | 4 | 8 | 16 |
| Infinity | 4 | — | — | — | — |
| Knockback | 1 | 2 | — | — | — |
| Looting | 2 | 4 | 8 | — | — |
| Loyalty | 1 | 2 | 4 | — | — |
| Luck of the Sea | 2 | 4 | 8 | — | — |
| Lure | 2 | 4 | 8 | — | — |
| Mending | 4 | — | — | — | — |
| Multishot | 4 | — | — | — | — |
| Piercing | 1 | 2 | 4 | 8 | — |
| Power | 1 | 2 | 4 | 8 | 16 |
| Projectile Protection | 1 | 2 | 4 | 8 | — |
| Protection | 1 | 2 | 4 | 8 | — |
| Punch | 2 | 4 | — | — | — |
| Quick Charge | 1 | 2 | 4 | — | — |
| Respiration | 2 | 4 | 8 | — | — |
| Riptide | 2 | 4 | 8 | — | — |
| Sharpness | 1 | 2 | 4 | 8 | 16 |
| Silk Touch | 8 | — | — | — | — |
| Smite | 1 | 2 | 4 | 8 | 16 |
| Soul Speed | 2 | 4 | 8 | — | — |
| Sweeping Edge | 2 | 4 | 8 | — | — |
| Swift Sneak | 4 | 8 | 16 | — | — |
| Thorns | 4 | 8 | 16 | — | — |
| Unbreaking | 1 | 2 | 4 | — | — |
| Wind Burst | 2 | 4 | 8 | — | — |
Book → item costs (max tier shown). Prior-work penalties add on top — see anvil cost guide.
Reminder: what totals mean
Numbers are levels before you spend them on each line. Rolling totals pile up—they are useful for budgeting XP farms before you tear through your librarian hall.
Example book costs wired into the planner (book → gear, max tier): Sharpness V = 16, Looting III = 8, Mending = 4, Efficiency V = 16, Protection IV = 8, Unbreaking III = 4. This page focuses on single-book applications; combining two enchanted gear pieces halves ladder costs separately from penalties—simulate those merges by hand until we expose a merged tool mode.
Prior-work penalties in plain language
Minecraft tracks how often each side of the anvil was “worked.” Every extra touch adds exponentially higher tax via 2ⁿ − 1 levels from that side alone. Rename operations count as prior work—which is useful for organizing books but poisonous if abused on your final Netherite chassis.
See the Too Expensive playbook
for resets and avoidance patterns.
Repairs versus Mending
Repeatedly repairing the same masterpiece on the anvil is the fastest way to brick it: each repair stacks penalty without adding new perks. Aim for librarian-sourced perfection first, rely on XP + Mending for longevity, and only repair when catastrophe strikes mid-project.
When book batches beat item-first merges
Naive cheapest-first stacking works until huge single-book spines (Sharpness V, Power V, Efficiency V) land while penalties dwarf the mid-tier books beside them. Heavily laden kits sometimes need deliberate book merges so two expensive ladders arrive as one hammer swing—precisely the heuristic our enchantment calculator attempts when brute paths trip Too Expensive.
Anvil planner FAQ
How do I read Too Expensive in the checklist? ▾
Any step past 39 levels shown is Survival-blocked—even creative-level players must split the plan. Restart from a fresh blank item when mitigation fails.
Does renaming help costs? ▾
Renames still cost levels and bump prior-work counters. Rename early on throwaway books instead of polishing your final helmet twice.