01Available now
Brine Calculator
Get the right salt percentage for vegetables, water, or total batch weight.
Open calculator→Better batches begin here
Fermentation,
made measurable.
Simple calculators and clear guides that take the guesswork out of brines, doughs, brews, and everything bubbling in between.
- ✓ No sign-up
- ✓ Metric & imperial
- ✓ Clear formulas
QUICK TOOL
Brine calculator
Water amount1,000 g
Salt percentage2.5 %
YOU'LL NEED25 g salt
A crisp, balanced brine for most vegetables.
Full calculator available now
START WITH THE NUMBERS
Tools for every kind of ferment.
Reliable ratios and useful answers, designed to be understood at a glance.
02Available now
Sauerkraut Salt Calculator
Calculate salt by cabbage weight for a consistent dry-salted ferment.
Open calculator→03Coming soon
Sourdough Calculator
Balance hydration, starter, flour, water, and salt without spreadsheet math.
Planned tool→04Coming soon
Pizza Dough Calculator
Plan dough balls, hydration, yeast, and fermentation time for your next bake.
Planned tool→UNDERSTAND THE PROCESSGood numbers.
Good numbers.
Better instincts.
A calculator tells you how much. Our guides explain why—so every batch teaches you something useful for the next one.
- ↗Fermentation salt ratio guide
- ↗Fermentation safety
- ↗Temperature & timing
- ↗Troubleshooting
Less guessing. More bubbling.
FermentWise is being built as a free, practical resource for curious home fermenters. No account required—just trustworthy tools, useful explanations, and room to experiment.
See what we're building →