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Wine Sulfur Content Calculator

Chemistry
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This calculator determines the molecular SO2 content in homemade wines, helping winemakers achieve optimal wine preservation. It supports different wine types and pH levels.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Type of Wine, Wine pH Level, and Free SO2 (mg/L) in the units shown.

Step 2

Read Molecular SO2 Content in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Typical Red Wine

Type of Wine: Red; Wine pH Level: 3.6; Free SO2 (mg/L): 25

Molecular SO2 Content: 0.390041556 mg/L

Typical White Wine

Type of Wine: White; Wine pH Level: 3.2; Free SO2 (mg/L): 35

Molecular SO2 Content: 1.340027636 mg/L

Low pH Red Wine

Type of Wine: Red; Wine pH Level: 3.2; Free SO2 (mg/L): 30

Molecular SO2 Content: 1.148595116 mg/L

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