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Calculators / Cooking / Coffee brewing ratio
Coffee brewing ratio calculator
Calculate coffee and water quantities from a brewing ratio.
On this page
Coffee required31.25G
Total brew ingredients531.25G
Calculator controls
How to calculate
Calculate coffee and water quantities from a brewing ratio.
coffee = water ÷ brew ratio
Worked example
Water (g or mL): 500; Water parts per coffee part: 16.
Coffee required: 31.25 g; Total brew ingredients: 531.25 g.
Assumptions and limits
Absorption, grind, roast, brewing method, and taste preference change beverage yield and preferred ratio.
Results are rounded for display; calculations use unrounded values. Read our calculation methodology.
Understanding the result
Calculate coffee and water quantities from a brewing ratio. The result follows the displayed formula and keeps every adjustable assumption visible.
When this tool is useful
Use this tool to plan quantities or compare scenarios before making a purchase or technical decision.
Understanding your inputs
| Input | What to enter |
|---|---|
| Water (g or mL) | Enter a number of at least 0.000001 and no more than 1000000000000. |
| Water parts per coffee part | Enter a number of at least 0.000001 and no more than 1000000000000. |
Frequently asked questions
What can change the coffee brewing ratio result?
Absorption, grind, roast, brewing method, and taste preference change beverage yield and preferred ratio.
Should I round the inputs first?
No. Enter the best measurements available and round only the practical final quantity, such as full packs, boards, sheets, or components.