What this calculator does
Fresh to dried herb conversion works out dried herb amount to substitute for a fresh herb quantity in a recipe, or the reverse. Enter your own figures above and the answer updates as you type: nothing is fixed in the code, so the result reflects exactly the numbers you supply.
The formula this calculator evaluates is printed under the tool and explained below, so you can check the working by hand or reuse it in a spreadsheet.
The formula
FormulaDried amount = fresh amount / 3; fresh amount = dried amount × 3, the standard 3:1 substitution ratio
The inputs explained
| Field | What to enter |
|---|---|
| Amount (tsp) | A number, measured in tsp. Starts at 3. |
| Converting from | Choose from Fresh to dried, Dried to fresh. |
Worked examples
Every figure in the tables below is produced by this page’s own calculator at build time, so the numbers and the tool always agree. Select any row to load that scenario.
How the answer changes with amount
Every other input is held at the calculator’s starting values while amount varies. Select any row to load that scenario into the calculator.
How the answer changes with amount
| Amount (tsp) | Dried herb to use | In tablespoons | Ratio used |
|---|---|---|---|
| 1.5 | 0.50 tsp | 0.17 tbsp | 3 parts fresh herb = 1 part dried herb, the standard kitchen substitution guideline (potency varies by herb) |
| 2.25 | 0.75 tsp | 0.25 tbsp | 3 parts fresh herb = 1 part dried herb, the standard kitchen substitution guideline (potency varies by herb) |
| 3 | 1.00 tsp | 0.33 tbsp | 3 parts fresh herb = 1 part dried herb, the standard kitchen substitution guideline (potency varies by herb) |
| 4.5 | 1.50 tsp | 0.50 tbsp | 3 parts fresh herb = 1 part dried herb, the standard kitchen substitution guideline (potency varies by herb) |
| 6 | 2.00 tsp | 0.67 tbsp | 3 parts fresh herb = 1 part dried herb, the standard kitchen substitution guideline (potency varies by herb) |
| 9 | 3.00 tsp | 1.00 tbsp | 3 parts fresh herb = 1 part dried herb, the standard kitchen substitution guideline (potency varies by herb) |