Volume & Capacity converter
Teaspoons to Milliliters Converter
Convert US teaspoons to milliliters for cooking and measured liquids.
From
To
Result
1 tsp = 4.928922 mL
Also equals
0.004929L
0.001302US gal
0.020833US cup
0.166667US fl oz
4.928922mL
0.000005m³
0.010417US pt
Conversion formula
mL = US tsp × 4.928921593751 us teaspoon equals 4.9289216 mL.
US Teaspoon to Milliliter table
| US Teaspoon (tsp) | Milliliter (mL) |
|---|---|
| 0.01 | 0.04928922 |
| 0.1 | 0.49289216 |
| 1 | 4.92892159 |
| 2 | 9.85784319 |
| 3 | 14.78676478 |
| 5 | 24.64460797 |
| 10 | 49.28921594 |
| 20 | 98.57843188 |
| 50 | 246.44607969 |
| 100 | 492.89215938 |
| 1,000 | 4,928.92159375 |
About this conversion
This converter uses the displayed definition for us teaspoon and its recognized relationship to milliliter. Calculations retain full precision internally, and only the visible result is rounded. You can swap the conversion direction without changing the underlying standard.
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Frequently asked questions
Which US Teaspoon definition is used?+
This tool uses the definition shown in the unit name: one us teaspoon equals 0.0049289216 liters.
Why do US and Imperial volumes differ?+
US customary and Imperial units with similar names can represent different volumes. This page uses the explicitly labeled US or metric definition and does not mix systems.
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