Dial in your brew,
down to the last gravity point.
BrianBrews turns your grain bill and hop schedule into the numbers that matter — ABV, color, and bitterness — updating live as you type. Save your recipes and pick up right where you left off.
- No account needed to calculate
- Live results
- Save & reload recipes
Everything you need to design a batch
Standard, well-known brewing formulas — transparent and ready to swap for your own spreadsheet math later.
All-grain & extract
Switch modes anytime. OG, FG, ABV, color, and bitterness are computed from your bill.
Brian's spreadsheet math
Grain & hop references
90 fermentables and 150+ hops with tooltips — pick from the list or type your own.
Per-line efficiency override
IBU from utilization table
Bitterness from the gravity-vs-time utilization chart, shown live per hop addition.
AA% × util × 75 × oz / gal
SRM color in the glass
Your grain bill becomes a real beer color, sampled from the standard SRM scale.
1.4922 × MCU^0.6859
BJCP style fit
Pick a style and see live in-range indicators for OG, FG, IBU, SRM, and ABV.
BJCP 2021 vital stats
Save, XML & brew-day sheet
Save to the cloud, export/open XML files, and print a brew-day sheet with log fields.
Cloud · XML · PDF
Your next batch starts here
Jump into the calculator — no sign-up required. Create an account only when you want to save a recipe.