"Robert J. Romano, CPA" > wrote in message
...
> > Just made my first batch of wine. Can somebody please offer some advice.
> If
> > I know the starting gravity (1080) and I know the final gravity (992)
what
> > is the equation to work out the percentage alcohol. I read somewhere
that
> > you divide by a certain figure. Can anyone help. I am making Beaverdale
> Red
> > Rioja.
>
> I believe the "certain figure" you are looking for is 0.736
>
> So 1.08 - 0.992 = 0.088 / .736 = .1196 or 11.96% alcohol.
> --
> Robert J. Romano, CPA
>

I did a math error. I just looked at my hydrometer, and it now looks
like a more correct firgure is in the 11.6% range, a very good finish!