Teaspoons (tsp) to Milliliters (mL) Conversion
Teaspoons
The teaspoon is a unit of volume used in culinary and pharmaceutical measurement, equal to exactly 4.92892 mL in the US customary system. The metric teaspoon is standardised at exactly 5 mL, universally used in medicine for oral liquid dosing: "one teaspoon three times daily" = 5 mL. The distinction between a level teaspoon (standardised) and a heaped teaspoon (variable) is important in recipe precision.
Milliliters
The millilitre is a unit of volume equal to one thousandth of a litre, or exactly one cubic centimetre (1 cm³). It is the standard unit for small liquid volumes in medicine, pharmacy, and laboratory science. One millilitre of water at 4 °C has a mass of exactly 1 gram, making the millilitre and gram functionally interchangeable for dilute aqueous solutions.
| Teaspoons (tsp) | Milliliters (mL) |
|---|---|
| 0.1 tsp | 0.4929 mL |
| 1 tsp | 4.9289 mL |
| 2 tsp | 9.8578 mL |
| 3 tsp | 14.7868 mL |
| 5 tsp | 24.6446 mL |
| 10 tsp | 49.2892 mL |
| 20 tsp | 98.5784 mL |
| 30 tsp | 147.8676 mL |
| 50 tsp | 246.446 mL |
| 100 tsp | 492.892 mL |
| 1000 tsp | 4,928.92 mL |
Frequently Asked Questions (FAQ)
How many milliliters are in 1 teaspoons?
1 teaspoons (tsp) is exactly 4.9289 milliliters (mL).
How do I convert teaspoons to milliliters?
Multiply the value in teaspoons by 4.9289 to get the result in milliliters. Or use the converter above — type any number and see the result instantly.