Brewing workbench
Brewing decision tools
Move from a brewing question to a useful next step: build a recipe, evaluate a beer, compare substitutions, simulate a mash, or calculate a brew-day target.
Build
1 destinationEvaluate
3 destinationsBeer Style Selection Wizard
Answer a few questions about your taste preferences and get matched to the BJCP beer styles that fit you best.
BJCP Beer Evaluation
Evaluate aroma, appearance, flavor, mouthfeel, and overall impression with a structured BJCP-style scorecard.
Recipe Score Loop
Connect a saved recipe to its BJCP evaluation and get concrete, grounded changes — which ingredients to adjust to raise your score.
Substitute
2 destinationsHop Substitutor
Out of Citra? Find the closest hop substitutes — ranked by flavor profile, beer styles, oil composition, alpha acid, cohumulone, and purpose, each with a confidence score and a plain-language rationale.
Yeast Substitutor
Find the closest substitutes for any of 350+ yeast strains — ranked by attenuation, temperature, flocculation, species, and tolerance, each with a confidence score.
Simulate
1 destinationDiagnose
1 destinationCalculate
7 destinationsABV Calculator
Free ABV calculator: enter your original and final gravity to get alcohol by volume (ABV) and apparent attenuation for your homebrew.
IBU Calculator
Free IBU calculator using the Tinseth formula. Enter hop weight, alpha acid, boil time, batch volume, and gravity to estimate bitterness.
SRM Color Calculator
Free beer color calculator using the Morey equation. Enter your grain weights and colors to estimate SRM and preview the beer color.
Priming Sugar Calculator
Free priming sugar calculator. Enter beer volume, temperature, and target CO2 volumes to get the corn sugar (or table sugar) needed to carbonate.
Yeast Starter Calculator
Free yeast starter calculator. Enter original gravity, batch volume, and pitch rate to find the target yeast cells and stir-plate starter size.
Strike Water Calculator
Free strike water calculator. Enter grain weight, grain temperature, mash ratio, and target mash temp to get strike water temperature and volume.
Refractometer Correction Calculator
Free refractometer correction calculator. Convert original and final Brix readings into a corrected final gravity and ABV using the wort correction factor.