The workbench

Building upgrade roi

Calculate a simple payback period using entered cost and added net income in one currency.

Manual ModeChecked 1 official source

Your measurements

Manual Mode

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Simple payback periodEnter every measurement to calculate
Formulaupgrade cost ÷ added net income

No verified game defaults. Use one build and consistent units. This calculation does not include hidden modifiers or guarantee in-game delivery.

How to use this result

Use observations from the same build and keep units consistent. Empty inputs mean unknown. Saved plans do not become verified defaults when imported or exported. Recheck the source measurements after a patch.

Sources & verification

Checked 2026-09-16 02:30:40.000 UTC. Publication dates and build scope are kept separately.

T1Steam store · current English listingToplitz Productions / EmpireCraft Studios · Current listing · Pre-EA · official listing