Convert us teaspoon (tsp) to milliliter (mL) with a transparent formula and reference values.
| US Teaspoon | Milliliter |
|---|---|
| 1 tsp | 4.9289216 mL |
| 5 tsp | 24.644608 mL |
| 10 tsp | 49.289216 mL |
| 25 tsp | 123.22304 mL |
| 50 tsp | 246.44608 mL |
| 100 tsp | 492.89216 mL |
| 500 tsp | 2,464.46 mL |
1 tsp = 4.92892159375 mL. mL = tsp × 4.92892159375 The interactive converter uses the same unit registry as this table, so the reference values and calculator stay synchronized.
US Teaspoon: US customary cooking teaspoon derived from the US fluid ounce.
Milliliter: Metric volume equal to one thousandth of a liter.
This canonical converter uses US customary cup, tablespoon or teaspoon values when the unit name is unqualified. Metric, Australian and Imperial spoon measures can differ. Open the full Cooking converter to select the exact regional standard.
Kitchen volume also cannot be converted universally to grams or kilograms without knowing the ingredient or its density.