Keep coffee recipes consistent with a simple calculator for dose, water in, beverage out, and target ratios across pour over, batch brew, AeroPress, French press, and espresso.
Standardize brews across shifts without guessing.
Switch units anytime and keep the same ratio logic.
Save favorite brews and revisit them without retyping.
Manage recipes you revisit on the brew ratio calculator.
Toolbox
Barista Calc keeps the interface simple so the important part is the recipe, not the spreadsheet.
The core tool for filter, batch, and espresso recipes. Dial in dose, water in, and beverage out.
Log your shots and get instant feedback on what to change (grind, yield, etc.) to improve taste.
Create custom brewing water from distilled or RO water. Hit specific GH/KH targets with precision.
Calculate your actual extraction percentage. Perfect for use with VST or Acaia refractometers.
Quickly find your target yield from dose and ratio, or reverse it to find your actual ratio.
Need a specific amount of coffee? Find the precise dose and water for any carafe size.
Perfect ice-to-water split for Japanese-style flash brew. Chilled flavor without dilution.
Brew strong then dilute. Great for AeroPress and high-concentration concentrates.
Dilute concentrate to drinking strength. Works for water or milk additions.
Estimate caffeine intake based on dry coffee dose and extraction style.
Not sure whether to use water in or beverage out? Open the guide for typical starting ranges, method notes, and a quick explanation of what the numbers mean.
Jump to the brew ratio guide
Why it helps
Ratio gives teams a quick baseline. Once the baseline is consistent, tasting and dial-in choices get easier to discuss and easier to repeat.
Start recipes closer to the mark for common brew methods instead of relying on memory.
Save and revisit setups so another barista can brew from the same recipe without guessing.
See instantly whether a recipe is tighter or looser than your target before you retaste.
Ratio is one of the simplest ways to keep coffee brewing consistent, especially across staff, stations, or service times. It gives you a shared starting point before finer dial-in choices.
Once ratio is set, the cup still depends on grind, time, agitation, temperature, filter, and water chemistry. That is exactly why ratio matters: it removes one source of randomness so the rest of the adjustments are easier to read.
Save favorite recipes, share result links with your team, and use the calculator as a quick check whenever a brew tastes off but the recipe notes feel fuzzy.