Fermentation Calculators
Free fermentation calculators for kombucha, kimchi, sauerkraut, and other fermented foods.
Tools for home fermenters and food preservers.
Kimchi Salt and Ingredient Calculator
Calculate the right amount of salt, gochugaru, and other ingredients for any batch size of traditional kimchi. Scales from small jars to large batches.
Kombucha Batch Calculator
Calculate tea, sugar, and starter liquid amounts for any kombucha batch size. Includes first and second fermentation ratios.
Sauerkraut Salt Ratio Calculator
Calculate the exact amount of salt needed for any batch of sauerkraut. Uses the 2% salt-to-cabbage ratio for safe, reliable lacto-fermentation.