Mash Bill Calculator
Calculate individual grain weights for your distilling mash bill based on total grain weight and percentage of each grain type.
Inputs
lbs
%
%
%
%
Results
Corn
39.2 lbs
Rye5.6 lbs
Malted Barley8.4 lbs
Wheat2.8 lbs
Total Percentage100%
Water Needed (approx)5.09 gallons
Potential Alcohol (approx)3.36 gallons
How to Use This Calculator
- Enter total grain weight in lbs for your batch.
- Set percentages for corn, rye, malted barley, and wheat (must total 100%).
- The calculator shows weight of each grain in lbs, total percentage check, approximate water needed, and potential alcohol in gallons.
- Use these grain weights to weigh and mill each component before mashing.
- Bourbon requires at least 51% corn; rye whiskey requires at least 51% rye—verify your percentages meet legal definitions.
Ad Placeholder
Related Calculators
Fermentation Yield Calculator
Estimate the expected ABV and alcohol volume from fermentation based on wash volume, sugar concentration, and yeast efficiency.
Still Output Calculator
Estimate the volume and ABV of distillate from your still based on wash volume, wash ABV, still type, and collection efficiency.
Spirit Dilution Calculator
Calculate how much water to add to dilute a spirit from its current ABV to a target ABV for proofing down.
Proof & ABV Converter
Convert between proof, ABV (alcohol by volume), and specific gravity. Supports US proof and UK proof (Sikes).
Ad Placeholder