Pick a proven beer style, get an exact recipe scaled to your pot, and follow a real brew-day plan — water, temperatures, hop timing, all of it. Free to start.
No malt or hop knowledge required — just your batch size. Every calculator scales a proven recipe to your equipment and gives you a full brew-day plan.
10 proven styles, full grain bill & hop schedule, priming & carbonation, yeast starter sizing, water chemistry, BJCP matching, PDF export.
Open calculatorFrom grape or juice to bottle — fermentation tracking and sweetness targets.
Honey-to-water ratios, nutrient schedules, and style targets.
Juice chemistry, yeast selection, and carbonation planning.
Mash bills, cuts, and proofing — with legal disclaimers by region.
An AI brewing assistant trained on both books — for troubleshooting, ingredient swaps, and reverse-engineering a recipe from what's already in your pantry.
Launching soonSame beer, two angles: a plain-language walkthrough for your first brew day, or the full technical picture behind every step.
Ask questions, share your results, and get feedback from other home brewers — plus direct access to the founder for book corrections or suggestions.
Join the DiscordFull BJCP database, unlimited saved recipes, advanced mode, water chemistry & yeast starter calculators — bundled with the beginner's guide and the science edition. BrewBot troubleshooting launches soon.