Food & hospitality
Coffee brew ratio Calculator
Calculate coffee dose and batch ingredient cost from a brew ratio. This free coffee brew ratio calculator shows the calculation and its assumptions so you can compare your own figures.
Your results
Calculate coffee dose and batch ingredient cost from a brew ratio.
Calculated outcomes
- Total Coffee G
- 31.25 g
- Total Water G
- 500 g
Assumptions and estimates
- Method: Coffee dose = brewing water ÷ water-to-coffee ratio. Batch totals multiply by servings.
- Brewing water is input water, not final beverage mass. Retained water and extraction loss are excluded; the ratio is your selected recipe.
Useful next steps
- Use Compare options to test an alternative side by side.
- Copy, print or download a record of this calculation when you need one.
Reports open your email app addressed to s@s1.ie with the public page address only. Your inputs are never added.
How the coffee brew ratio calculation works
Coffee dose = brewing water ÷ water-to-coffee ratio. Batch totals multiply by servings.
Brewing water is input water, not final beverage mass. Retained water and extraction loss are excluded; the ratio is your selected recipe.
Using this calculator
- Enter your own figures in the labelled inputs. Keep the currencies, units and time periods consistent.
- Choose any applicable rate profile, pattern or assumption shown for this tool. Open additional inputs when relevant.
- Review coffee gper serving and coffee cost, then read the stated assumptions and eligibility conditions before using the result.
Worked example
This is a static example using illustrative inputs, not facts about you or today’s date. The displayed eligibility selections and assumptions apply only to this example.
See example inputs
- Brewing water per serving (g)
- 250
- Water-to-coffee mass ratio
- 16
- Servings
- 2
- Coffee price (€/kg)
- 25
- Coffee GPer Serving
- 15.63 g/serving
- Coffee Cost
- €0.78