Homebrewing Guides
Practical explanations to help you understand the numbers behind our calculators.
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How to Calculate ABV in Homebrewing
Original and final gravity, the standard formula, temperature correction, and gravity ranges by style.
How to Read a Hydrometer for Homebrewing
What specific gravity measures, how to take readings correctly, temperature correction, and calculating ABV.
IBU Explained: How Beer Bitterness Is Measured
What IBUs actually measure, ranges by style, and why the same IBU count tastes different across beers.
Original Gravity vs. Final Gravity in Homebrewing
What OG and FG mean, the ABV formula, attenuation explained, gravity ranges by style, and how to measure correctly with a hydrometer or refractometer.