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Factorio calculators and blueprint utilities
Use these free tools to size production blocks, validate blueprint strings, and catch throughput mistakes before they spread across the factory.
CalculatorNew
Factorio Ratio Calculator
Calculate output rates, assembler and furnace counts, input resources, belt requirements, and power draw for common Factorio items.
DecoderLive
Factorio Blueprint Decoder
Paste a blueprint string to inspect entity counts, footprint dimensions, and a plain-English summary directly in your browser.