Found this on winebusiness.com today:
Winemaking Calculators (from vinoenology.com):
- Fermentation – Specific Gravity & Brix conversions, Yeast & Nutrients addition, Unit Conversion table
- Chaptalization & Water dilution – Sugar content adjustment & Water addition
- SO2 addition – Liquid SO2 solution & Potassium metabisulfite addition, Molecular SO2 table, SO2 reduction
- Acid addition – Tartaric, Malic & Citric acid addition, Deacidification
- Fining & Oak addition – Copper addition, Clarification & Oak addition
- Fortification – Alcohol addition
- Wine Blending & Cost calculator – Blending & Wine cost calculation
- Online Conversions – Volume, Temperature, Pressure, Mass, Area and Distance
These are handy calculators to keep around for large and small productions.
Shut up and make wine 