Salt percentage

2% salt — standard sauerkraut

Balanced salt-sour. Vegetable flavor forward with pleasant salinity. The classic sauerkraut flavor profile.

Salt calculator

Enter your vegetable weight and a salt percentage. We return the exact salt mass in grams, plus teaspoons for each common grain.

grams
%

Grain matters: one teaspoon of Diamond Crystal weighs half as much as one teaspoon of fine sea salt. Weigh in grams when you can.

20g salt
3.51 tsp 1.17 tbsp 0.71 oz

Based on Fine sea salt at 5.69 g/tsp.

Safe range for lacto-fermentation. 2% is the most common default for cabbage, kimchi and pepper mash.

All salt grains
GrainGramsTeaspoonsTablespoons
Diamond Crystal kosher20 g7.042.35
Morton kosher20 g4.171.39
Fine sea salt20 g3.511.17
Pickling / canning20 g3.641.21

Safety and use at 2%

The NCHFP + FDA recommended baseline for home lacto-fermentation. Reliable safety margin against pathogens across normal kitchen temperatures (60-78°F) and hygiene conditions. Use this unless you have specific reason to vary.

Technique notes

Default. If in doubt, use 2.0%. The Noma Guide to Fermentation, NCHFP, Sandor Katz, and King Arthur all cite this as their baseline recommendation.

Typical ferments at 2%

Vegetables at 2%

6 vegetables are commonly fermented at 2% salt. Each page gives timing at 68 °F, pH target, and species-specific technique.

Sources

Salt percentage guidance from the National Center for Home Food Preservation (NCHFP), FDA fermented vegetable guidelines, and Sandor Katz, The Art of Fermentation (Chelsea Green, 2012). Information is provided for educational purposes. Consult your local food safety authority for commercial production.