A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
Teaspoon to Liter
Convert Teaspoon to Liter instantly. Free online cooking unit converter with exact formula, conversion table and FAQ.
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Cooking Converter
Convert cooking volume and mass units used in recipes and nutrition workflows.
Context values
Some unit families need one extra value for a physically accurate result.
The liter is the base metric unit of volume used throughout this converter, equal to 1,000 milliliters.
L = tsp × 0.004928921594
Results update instantly for Teaspoon to Liter conversions.
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Formula
L = tsp × 0.004928921594
tsp = L × 202.8841362
Conversion table
| 1 tsp | 0.004929 L |
| 5 tsp | 0.024645 L |
| 10 tsp | 0.049289 L |
| 20 tsp | 0.098578 L |
| 50 tsp | 0.246446 L |
| 100 tsp | 0.492892 L |
| 500 tsp | 2.464461 L |
| 1000 tsp | 4.928922 L |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the teaspoon (tsp). A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
What is the destination unit in this conversion?
The destination unit is the liter (L). The liter is the base metric unit of volume used throughout this converter, equal to 1,000 milliliters.
How do I convert teaspoon to liter?
Multiply the teaspoon value by 0.004928921594. For example, 10 tsp × 0.004928921594 = 0.049289 L.
Is the teaspoon to liter conversion exact?
Yes. This conversion uses a fixed factor defined for cooking measurement standards, so results are consistent every time.
Where is this conversion commonly used?
It's used when following recipes, adjusting ingredient quantities, or converting between US customary and metric cooking measurements.
Can I convert liter back to teaspoon?
Yes. Multiply the liter value by 202.8841362 to get teaspoon.
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About this conversion
This page converts teaspoon (tsp) to liter (L) within the cooking converter.
A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes. The liter is the base metric unit of volume used throughout this converter, equal to 1,000 milliliters.
The formula is L = tsp × 0.004928921594, based on each unit's fixed relationship to the cooking converter's reference units.
Results are consistent because the conversion relies on a fixed numerical ratio rather than an estimate.
Use the calculator above for instant results, or the table below for common teaspoon values already converted to liter.