Convert teaspoons to milliliters instantly. Type a value below to see the result, or press Swap direction to convert milliliters back to teaspoons. The tool uses the exact conversion factor, and a quick-reference table is below.
Milliliters
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Conversion formula
Milliliters = US teaspoons × 4.92892
One US teaspoon is about 4.93 ml, and many recipes round it to 5 ml. Three teaspoons make one tablespoon.
Quick reference table
| Teaspoons (tsp) | Milliliters (ml) |
|---|---|
| 0.25 tsp | 1.23223 ml |
| 0.5 tsp | 2.46446 ml |
| 1 tsp | 4.92892 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 |
| 8 tsp | 39.4314 ml |
| 10 tsp | 49.2892 ml |
Frequently asked questions
How do I convert teaspoons to milliliters?
Milliliters = US teaspoons × 4.92892
How do I convert milliliters back to teaspoons?
Use the reverse formula, or press Swap direction in the converter above. You can also use our reverse converter.
How many ml is a teaspoon?
One US teaspoon is about 4.93 ml.
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Conversions use standard factors. Check critical measurements.