Converters
12
US teaspoons to Milliliters Converter
Convert us teaspoons to milliliters instantly with the formula, worked examples, rounding guidance, and related volume conversions.
Units
85
Mode
Live
Pair-specific conversion guide
US teaspoon to Milliliter formula
Converting US teaspoons to milliliters is straightforward: one US teaspoon equals exactly 4.92892159375 milliliters. This conversion is essential for precise cooking and baking, especially when following recipes that use metric measurements. Use the formula to accurately adjust ingredient quantities.
Formula model
1 tsp = 4.92892159375 mL
1 US teaspoon equals
Quick factor: 1 tsp = 4.92892159375 mL.
For quick estimates, remember that 1 US teaspoon is approximately 5 mL, but use the exact value for precise recipes.
When measuring, level off the teaspoon with a straight edge to ensure an accurate volume.
Check the measurement system for cooking units: US customary and imperial volumes are not always the same.
Precision and rounding
The calculation uses the catalog's fixed conversion factors between tsp and mL. Full decimal precision is kept for the calculation; only the displayed value is rounded for readability.
Reference: NIST conversion factorsVolume
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Milliliters to US teaspoons Converter
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Conversion table
1 US teaspoon equals
| Unit | Value |
|---|---|
| Liter L | 0.00492892159375 |
| Milliliter mL | 4.92892159375 |
| Cubic meter m3 | 4.92892159375E-06 |
| US tablespoon tbsp | 0.333333333333 |
| US fluid ounce fl oz | 0.166666666667 |
| US cup cup | 0.0208333333333 |
| US pint pt | 0.0104166666667 |
| US quart qt | 0.00520833333333 |
| US gallon gal | 0.00130208333333 |
FAQ
US teaspoon to Milliliter questions
Why is the conversion factor for US teaspoons to milliliters not a round number?
The US teaspoon is defined as exactly 1/6 of a US fluid ounce, and the US fluid ounce is defined as exactly 29.5735295625 mL, leading to the precise conversion factor of 4.92892159375 mL per teaspoon.
Can I use this conversion for dry ingredients like flour or sugar?
Yes, the conversion is based on volume, so it applies to both liquid and dry ingredients when measured by volume. However, for dry ingredients, spooning and leveling is recommended for accuracy.