Planning tool
Coffee Ratio Calculator
Calculate coffee and water amounts for any brew ratio or serving size.
Runs in your browserResult
- Coffee grounds
- 31.3 g
- Water
- 500 g / ml
- Coffee per serving
- 15.6 g
- Water per serving
- 250 ml
- Approximate brewed coffee
- 430 ml
This is only a starting ratio. Grind, roast, brewer, contact time, and taste affect the best recipe.
How to use this coffee ratio calculator
- Enter the brew-water amount, preferred water-to-coffee ratio, and number of servings.
- Review the calculated totals, units, and assumptions. Check the inputs and units before relying on the result.
- Change one input at a time to compare another case, then copy or save the result you plan to use.
About this coffee ratio calculator
The Coffee Ratio Calculator lets you calculate coffee and water amounts for any brew ratio or serving size. The controls cover only the inputs needed for the result.
You can also use it to compare results after changing one input.
Example
For 500 grams of water at a 16:1 ratio, use 31.25 grams of coffee before adjusting grind and strength to taste.
Common uses
- → calculate coffee and water amounts for any brew ratio or serving size
- → compare results after changing one input
- → save an estimate for planning or comparison