Cooking French Press Ratio Calculator
Audit actual FrenchPressWater/Coffee ingredient masses against independently specified recipe ratio; all masses are same as-used basis, no universal recipe, emulsion/texture or extraction guarantee. Caller establishes matching ingredient basis and method. Not food-safety, doneness, preservation or allergy certification.
Description
French-press input ratio uses water and dry coffee masses.
French-press input ratio uses water and dry coffee masses.1
It does not measure retained liquid, beverage concentration or extraction automatically. Use Cooking French Press Ratio Calculator to evaluate the supplied inputs under the specific model below.
When to use Cooking French Press Ratio Calculator
Use Cooking French Press Ratio Calculator to evaluate the supplied inputs under the specific model below. Choose the independently specified recipe target and weigh numerator and denominator ingredients in grams.
How to use Cooking French Press Ratio Calculator and understand its results
- Choose the independently specified recipe target and weigh numerator and denominator ingredients in grams.
- Enter Observed french press water mass g, Observed coffee mass g, Caller french press water per coffee mass ratio using the field table and validation rules below, then run the tool.
- Read Observed mass ratio, Signed recipe mass discrepancy g and interpret units, signs, ordering and placeholders as explained below.
- If the tool reports an input error, correct that field and rerun. A successful false result, empty match list or unknown-evidence placeholder has the specific meaning described here; check the limitations before applying the result.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| observedFrenchPressWaterMassG | Observed french press water mass g | number | Required; constraints below |
| observedCoffeeMassG | Observed coffee mass g | number | Required; constraints below |
| callerFrenchPressWaterPerCoffeeMassRatio | Caller french press water per coffee mass ratio | number | Required; constraints below |
Enter observedFrenchPressWaterMassG as a nonnegative mass in g, observedCoffeeMassG as a strictly positive denominator mass in g and callerFrenchPressWaterPerCoffeeMassRatio as a nonnegative target mass ratio. The observed ratio is numerator/denominator. The signed discrepancy is observed numerator minus denominator times the target ratio: positive means excess relative to that target, negative means deficit. Ratios are dimensionless and are not percentages or volume ratios. The tool neither installs an ideal recipe nor changes either ingredient amount.
observed ratio = observedFrenchPressWaterMassG/observedCoffeeMassG; discrepancyG = observedFrenchPressWaterMassG−observedCoffeeMassG×callerFrenchPressWaterPerCoffeeMassRatio Field order, units and branch conditions follow the implementation explanation above.
| Output field | Meaning | Value type |
|---|---|---|
| observedMassRatio | Dimensionless numerator mass divided by denominator mass, using the field order above. | number |
| signedRecipeMassDiscrepancyG | Numerator mass minus denominator mass times target ratio, in g; positive is excess. | number |
{
"input": {
"observedFrenchPressWaterMassG": 20,
"observedCoffeeMassG": 100,
"callerFrenchPressWaterPerCoffeeMassRatio": 0.15
},
"output": {
"observedMassRatio": 0.2,
"signedRecipeMassDiscrepancyG": 5
}
}Limitations and assumptions
It does not measure retained liquid, beverage concentration or extraction automatically. Apply the exact scope and assumptions described above.
All listed fields require explicit values. Unexpected fields, incorrect types, nonfinite numbers and sparse arrays fail validation. Domain-specific bounds, alignments and supported tokens are stated above; extremely large inputs or outputs can also be rejected. These errors differ from successful results such as false, no matches or unknown evidence.
Alternative or Complementary methods
Use Cooking Cold Brew Ratio Calculator for a related task: Cold-brew input ratio compares water with dry coffee mass.
Use Cooking Pour Over Ratio Calculator for a related task: Pour-over brew ratios compare input water with dry coffee mass.
References
-
Cooking French Press Ratio Calculator — tool.io
Similar or alternative tools
- Cooking Cold Brew Ratio Calculator
Cold-brew input ratio compares water with dry coffee mass.
- Cooking Pour Over Ratio Calculator
Pour-over brew ratios compare input water with dry coffee mass.