Winemaking Conversion Calculators This page will help you do some common winemaking conversions.   Here is a link to a free winemaking calculator you can download from this site. This software helps you: Calculate the amount of sugar that needs to be added to archieve a particular target SG or alcohol content in the finished wine. Calculate the SG or alcohol content that is abtained by adding a particular amount of sugar to the must. Calculate acidity adjustments. Calculate the proportions, in which to blend two wines. Convert various measurements between the Metric, US and Imperial systems. Below is a screen shot of the software Here is a link to a wine sulfite calculator provided by Winemaker Magazine. Here is a link to wine chemistry notes from Sacramento Home Winemakers.