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Teaspoon to Milliliter
Convert teaspoon (tsp) to milliliter (mL) — with the exact factor, a quick-reference table and a free converter that works offline.
1 tsp = 4.928922 mL
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Conversion table
| Teaspoon (tsp) | Milliliter (mL) |
|---|---|
| 1 tsp | 4.928922 mL |
| 2 tsp | 9.857843 mL |
| 5 tsp | 24.64461 mL |
| 10 tsp | 49.28922 mL |
| 20 tsp | 98.57843 mL |
| 50 tsp | 246.4461 mL |
| 100 tsp | 492.8922 mL |
| 500 tsp | 2,464.461 mL |
How the conversion works
Both units measure volume. One teaspoon equals exactly 4.928922 mL, so multiply by that factor to convert.
FAQ
How many milliliters in a teaspoon?
1 tsp = 4.928922 mL.
How do I convert teaspoon to milliliter?
Multiply the teaspoon value by 4.928922. For example, 10 tsp × 4.928922 = 49.28922 mL.
Where does the factor come from?
The conversion factor is defined in NIST SP 811; both units are volume units converted through liter.
Related conversions
Conversion factors: NIST SP 811. Computed by the same engine that powers the app.
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