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How to Calculate Beer Brewing Values
Formula
Original gravity (OG) predicts the amount of fermentable sugar available. The difference between OG and final gravity (FG) determines the alcohol content.
IBU (International Bitterness Units) measures hop bitterness. A pale ale is typically 30-50 IBU while an IPA ranges from 40-70+.
Common use cases:
- Homebrewing recipe design
- Grain bill calculation
- Hop bitterness targeting
Frequently Asked Questions
Dr. David Park
Applied Mathematician, PhD Mathematics
David holds a PhD in Applied Mathematics from MIT. He has published research on numerical methods and computational algorithms used in engineering and scientific calculators.
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