The homebrewer's rule of thumb: ABV% = (OG − FG) × 131.25.
It's a linear fit. It's close enough below about 1.070 and reads
increasingly low above it. We keep it because most recipe books quote it
and people expect to be able to reproduce their numbers.
The homebrewer's rule of thumb:
ABV% = (OG − FG) × 131.25.It's a linear fit. It's close enough below about 1.070 and reads increasingly low above it. We keep it because most recipe books quote it and people expect to be able to reproduce their numbers.