Brine Calculator
Free brine calculator. Enter the water weight and target salinity to get the salt weight in grams and tablespoons for poultry, fermenting and cooking brines.
Poultry brine ≈ 5–6%, vegetable ferment ≈ 2–3%, equilibrium brine ≈ 1–2%.
About This Free Online Brine Calculator
Our free brine calculator works out how much salt to add to water for a target salinity. Enter the water weight and the salinity percentage you want, and the tool returns the salt weight in grams and in tablespoons, plus the total brine weight. Use about 5 to 6% for a quick poultry brine, 2 to 3% for a vegetable ferment, and 1 to 2% for a long equilibrium brine. Everything runs in your browser — instant, private, no signup.
Features of Our Brine Calculator
- Salt weight from water and target salinity
- Result in grams and tablespoons
- Guides for poultry, ferment and equilibrium brines
- Total brine weight shown
- Avoids over-salting your brine
- 100% client-side and private — instant results, no signup
How to Use the Brine Calculator
The Brine Calculator works right in your browser — no signup, no installation. Follow these steps:
- Enter the water weight (g).
- Set the target salinity (%).
- Read off the salt weight in grams.
- Use the tablespoon figure if weighing by volume.
Frequently Asked Questions About Brine Calculator
How much salt do I add for a target salinity?
The salt weight equals the water weight times the salinity divided by (100 minus the salinity). For 1000 g of water at 3% salinity you add about 30.9 g of salt. The calculator does this and also gives tablespoons.
What salinity should a brine be?
A quick poultry brine is around 5 to 6%, a vegetable ferment 2 to 3%, and a long equilibrium brine 1 to 2%. Higher salinity pulls moisture and seasons faster but can over-salt if left too long.
Why divide by (100 minus salinity)?
Because salinity is a percentage of the finished brine, not just the water. The salt adds to the total mass, so the formula must solve for the salt relative to the final weight, which is what keeps the percentage exact.
How many grams is a tablespoon of salt?
Fine table salt is roughly 17 g per tablespoon, while kosher salt varies a lot by brand and crystal size. The tablespoon figure uses fine salt — weigh it if you need precision with coarse salt.
Is this brine calculator free?
Yes, completely free with no signup. All maths runs in your browser — nothing is uploaded or tracked.
Why Choose the Brine Calculator?
The Brine Calculator scales recipes and ratios to exactly what you are making, so the result comes out right. It works instantly in your browser, in the units you cook with, and keeps everything on your device.