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Salt Mass from Water Based Brine Percent

Calculate salt mass using grams per 100 mL water, with custom and explicitly labeled concentration presets.

Calculator inputs

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Enter the known values in the units shown. Results update as you type.
Where results are editable, change one to solve backwards. Lock a value to hold it fixed.
Use the worked example to check the method. Reset restores the starting fields.

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For a target of 2 g salt per 100 mL starting water, one liter of water needs 20 g salt.

Percent (g per 100 mL water) = 100 × salt_g/water_mL.

Enter these known values and leave the other values blank.

The percentage is grams salt per 100 mL of starting water, not salt mass divided by total solution mass or final solution volume.
Preset values are arithmetic concentration choices. They are not food-specific recommendations or a validated preservation process. Use a tested recipe for fermentation or canning.
Starting water volume must be positive and salt mass nonnegative. Dissolving salt changes final volume; that change is outside this model.
Use weighed salt; crystal sizes make spoon-based quantities inconsistent. Recipe safety also depends on acidity, temperature, ingredients and process.

No. Here it means 2 g salt per 100 mL of starting water.

No. Use an authoritative tested recipe and its complete process.

Declare the physical or stated approximation domain; captured arithmetic is unchanged.