Calculator
Decoction Calculator
Decoctions extract tough plant parts — roots, barks, seeds, fungi, hard berries. They need longer heat and more water than infusions. Gives you a water ratio and simmer time based on the part and amount of herb.
Water to start
300 mL
Simmer time
20-30 min
Method (short)
- Place herb in cold water in a non-reactive pot (glass, ceramic, stainless).
- Bring to a boil, then reduce to a gentle simmer (covered).
- Simmer for the time indicated by the part. Roots/barks: 20-45 min. Hard fungi: 1-2 hours.
- Strain. Standard therapeutic dose is 1 cup (~240 mL) 2-3× daily, unless otherwise indicated.
- Refrigerate extra; use within 48 hours for fresh-made decoctions.
