All-Grain Recipe Calculator
Calculate grain weight and water volumes for all-grain brewing based on batch size, target gravity, and mash efficiency.
Inputs
gallons
points
%
Results
Grain Weight
9.38 lbs
Total Water Needed
7.17 gallons
Mash Water3.12 gallons
Sparge Water4.05 gallons
Target OG1.05
How to Use This Calculator
- Enter your target batch size in gallons and target OG points.
- Set mash efficiency (%) — typically 70–80% for most systems.
- Select your primary grain type and enter grain weight in lbs.
- Review Total Water Needed, Mash Water, Sparge Water, and Target OG.
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