Brine Calculator — How Much Salt for Perfect Brine?

What is Brine Solution?

Brine, or salt water, is a highly concentrated water solution of common salt (sodium chloride). We use brine widely to process and cook food.

• You can use it to preserve or season food;
• Pickling is the process of brining various foods — vegetables, cheeses, and even fruit;
• Brining can enhance the tenderness and flavor of the food product;
• You can add additional ingredients, like herbs, spices, sugar, or vinegar, to improve the taste;
• Pickling in salt brine is associated with anaerobic fermentation and the production of lactic acid bacteria;
• Different products require different salt brine solutions: most vegetables ferment at 2.5%–5%, while some products (e.g., olives) need 10% brine.

How to Calculate Brine Percentage?

The formula for brine concentration is:

concentration (%) = m_salt / (V_water × ρ_water) × 100%

Where:

• concentration — brine concentration in %;
• m_salt — mass of salt in grams (g);
• V_water — volume of water in milliliters (mL);
• ρ_water — density of water ≈ 1 g/mL.

Since the density of water is approximately 1 g/mL, the formula simplifies to:

concentration (%) = m_salt (g) / V_water (mL) × 100%

Brine Calculation Example

You need 2.5 liters of 2% brine:

1. Convert volume: 2.5 liters = 2500 mL
2. Rearrange formula: m_salt = concentration / 100 × V_water
3. Calculate: m_salt = 0.02 × 2500 mL = 50 g of salt

You need 50 grams of salt to get 2.5 liters of 2% brine solution.

How to Use the Brine Calculator

This calculator works in three modes — choose what you want to calculate:

• Salt amount — enter water volume and desired concentration → get the required salt amount;
• Water volume — enter salt amount and desired concentration → get the required water volume;
• Brine concentration — enter both water and salt → get the resulting concentration.

Supports both metric (mL, L, g, kg) and American (cups, fl oz, quarts, gallons, oz, lbs, tablespoons, teaspoons) units.

Common Brine Percentages