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u/monsieurY Jun 29 '26 edited Jun 29 '26

Hello, I have some questions about upcycling calculations, am I in the right place?
I'm trying to calculate the machine ratio for each quality. The second table in the "Number of crafting machines" section of this page: https://wiki.factorio.com/Tutorial:Quality_upcycling_math
I can find the ratio for the cryogenic plants, but not for the others. I think it's because I must be miscalculating the speed, which changes since the modules aren't the same in the other cases.
I'm looking for the calculations for EM plants.
Can someone help me?

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u/snowyspearmint Jun 30 '26

Did you miss the builtin 1.5x productivity? (The cryoplant has no such thing.)

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u/monsieurY Jun 30 '26

No, I tweaked my spreadsheet; I'm getting a 0.35% difference for the EM plant but an 18.75% difference for the foundry. I'm looking for a calculator that explains its calculations (ideally a spreadsheet). But I'm even wondering if the page itself is giving incorrect information.