Select Template: Choose your profession and specific item type at the top. If you can't find the artisan you want, click costum.
Input Quality: Enter the Quality Rating number from your crafter.
Manage Materials: The calculator loads default groups. Adjust rarities and quantities to match your inventory. You can use the "+ Add Rarity Split" button to mix rarities within a single material slot (e.g., 50 Common + 50 Rare).
View Results: The Calculated Score and Result Tier at the bottom will update automatically. The percentage shows your progress toward the next tier.