PoE Crafting Calculator
Calculate crafting probabilities and expected costs in Path of Exile
Quick Presets
Check poedb.tw for mod weights
Sum of all possible mod weights
Crafting Odds
Base Mod Chance
1.0000%
Chance Per Roll
3.94%
Expected Attempts
25
Expected Cost
25c
Success Probability Tiers
50% Chance (Median)
18 attempts
18c cost
90% Chance
58 attempts
58c cost
99% Chance
115 attempts
115c cost
Your Custom Check
Probability of hitting the mod within 100 attempts:
98.20%
Item Status
Open Prefixes
2 / 3
Open Suffixes
2 / 3
Crafting Tips
- - Use poedb.tw to find exact mod weights for your item base
- - Influence mods often have very low weights
- - Fossils and essences can block/force certain mods
- - Metamod crafts can lock prefixes/suffixes for safer crafting
- - The expected value means half of crafters will need more attempts
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.