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Coffee Brew Yield Planner
Solve coffee dose and brew water for a target beverage mass with entered grounds retention.
Target beverage mass (g), Brew water per gram of coffee, Water retained per gram of coffee
JSON
Browser only
Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Enter the labelled values using the displayed units and explicit assumptions.
- Choose Calculate result and review the complete report and any undefined or no-solution states.
- Choose Download result to save the complete JSON. Reset clears the result and restores example controls.
Examples
Target beverage mass (g): 500
Brew water per gram of coffee: 16
Water retained per gram of coffee: 2
Limitations
- Target beverage grams positive,water-to-coffee mass ratio positive and greater than retained water grams per gram of coffee. Ideal beverage=water-retained water;no evaporation,extraction mass,espresso pressure or taste recommendation. All masses in grams.
- Scalar controls accept explicit finite decimal syntax;positive values normally1e-12–1e12,nonnegative0–1e12 unless a narrower range is stated. JSON numeric rows use finite IEEE754 values within their stated bounds. Derived counts above1billion and nonfinite results refuse. Combined input<=400000UTF8 bytes;complete JSON<=4MiB. All processing stays in your browser.
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