Teaspoons (US) to Milliliters converter

To convert teaspoons (US) to milliliters, enter the value in the first field. The result in milliliters is calculated automatically using the exact conversion factor.

1 US tsp = 4.92892159375 mL
1 mL ≈ 0.202884136211 US tsp

Formula: mL = US tsp × 4.92892159375
US tsp ≈ mL × 0.202884136211

Definitions: 1 US tsp = 1/3 US tbsp; 1 mL = 1 cm³

The US teaspoon is one third of a US tablespoon, about 4.93 mL. It is the teaspoon of American recipes, while nutrition labels and medicine dosing in the United States round it to 5 mL.

The milliliter (mL) is one thousandth of a liter and is exactly equal to one cubic centimeter. It is the standard unit for drink and medicine doses, cooking, cosmetics and product packaging.

See the conversion table with commonly used values, handy for quick reference or study.