EVE Online Refining Calculator
Add ore, set your refining skills and station, then compare raw ore value against refined mineral output using live market data from Jita (The Forge).
Select Market Hub
RequiredChoose which trade hub's market data to use for pricing your ore.
Refining Setup
Set each skill to your current trained level (0–5) for an accurate yield.
Add Ore
Copy an ore stack from EVE Online and paste it below.
Ore Stack
Your ore stack is empty.
Paste ore from EVE or add an ore manually to begin.
Add ore and calculate to see your refining yield and mineral output.
Market Region
Choose your trade hub so ore and mineral prices are pulled from the right regional market.
About This Calculator
The JaguarLee's Toolbox Refining Calculator estimates the minerals you get from reprocessing ore, based on your Reprocessing, Reprocessing Efficiency and Ore Processing skills plus your station's base yield.
It then compares the raw ore sell value against the refined mineral sell value using live market data, so you can decide whether to sell ore as-is or refine it first.
Accuracy & Limitations
Mineral yields use standard EVE Online reprocessing values per 100-unit batch, with +5% / +10% ore variants yielding proportionally more. Reprocessing requires whole 100-unit batches; remainders are shown but yield nothing. Station base yield varies by structure and rig — enter the value shown in-game for an exact result. Market prices are estimates; always verify in-game before trading.
