herbsFresh to Dried Herb Conversion Chart (The 3:1 Rule)A fresh to dried herb conversion chart built from extension service data and America's Test Kitchen testing. The base rule is 3:1 by volume, with per-herb rows for oregano, thyme, rosemary, sage, mint, basil, parsley, dill, chives and cilantro, plus ginger, garlic, onion, bay leaf and Italian seasoning, and the outliers where 3:1 does not apply.Nora Ellison · Sep 18, 2026 · 5 min read