Convert teaspoons to milliliters
ml = tsp × 4.92892. 2 tsp = 9.85784 ml.
ml = tsp × 4.92892 — 1 tsp is 4.92892 ml
Common values, converted exactly
| teaspoons (tsp) | milliliters (ml) |
|---|---|
| 0.25 tsp | 1.23223 ml |
| 0.5 tsp | 2.46446 ml |
| 1 tsp | 4.92892 ml |
| 1.5 tsp | 7.39338 ml |
| 2 tsp | 9.85784 ml |
| 3 tsp | 14.7868 ml |
| 4 tsp | 19.7157 ml |
| 5 tsp | 24.6446 ml |
| 6 tsp | 29.5735 ml |
Related conversions
To convert teaspoons to milliliters, apply ml = tsp × 4.92892. For example, 2 tsp = 9.85784 ml, and 1 tsp is 4.92892 ml.
A US teaspoon is one sixth of a US fluid ounce, which is exactly 4.92892159375 ml. Nutrition labels and medicine measures round it to 5 ml, and a metric teaspoon is exactly 5 ml, so the difference only shows up across several spoonfuls. These are US customary teaspoons.
Everything on this page is computed in your browser from the exact definitions above — the table is not a stored list of pre-rounded answers, and neither is the converter. For a unit not covered here, the full unit converter handles length, weight, volume, temperature and cooking measures.
How many milliliters is 2 tsp?
2 tsp = 9.85784 ml. ml = tsp × 4.92892, so any amount converts the same way — the table on this page lists the values most often looked up.
What is the formula for converting teaspoons to milliliters?
ml = tsp × 4.92892. A US teaspoon is one sixth of a US fluid ounce, which is exactly 4.92892159375 ml. Nutrition labels and medicine measures round it to 5 ml, and a metric teaspoon is exactly 5 ml, so the difference only shows up across several spoonfuls. These are US customary teaspoons.
Is the teaspoons to milliliters conversion exact?
The underlying relationship is an exact definition, not a measurement. The decimal factor shown (4.92892 ml) is a rounding of it, so results here are given to six significant figures — enough for any practical use, and you can see the exact definition above.
How do I convert milliliters back to teaspoons?
Use the reverse of the same relationship; the ml to tsp page has its own table and converter.