What is a US teaspoon in milliliters?

A US teaspoon is exactly 4.92892159375 milliliters, commonly rounded to 4.93 mL.

Is the liter an SI base unit?

No, the liter is not an SI base unit but is accepted for use with the SI system.

Why is this conversion important in cooking and medicine?

It helps translate small volume amounts measured in customary units to standard metric units used internationally and scientifically.

How to Convert from Teaspoon (US) to Liter [L, l]

Easily convert volumes from the US customary teaspoon to metric liters using this online unit converter. Ideal for cooking, medicine dosing, and scientific measurements.

Teaspoon (US)

Liter [L, l]

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Teaspoon (US) to Liter [L, l] Conversion Table

Teaspoon (US)	Liter [L, l]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Teaspoon (US) to Liter [L, l] Conversion Table
Teaspoon (US)	Liter [L, l]

Explore More Volume Units Converter

What Is This Tool?

This tool converts volume measurements from the US customary teaspoon to liters, a widely used metric unit. It is useful for translating small kitchen or medical volumes into standardized metric terms.

How to Use This Tool?

Enter the quantity in teaspoons (US) into the input field
Select teaspoon (US) as the original unit and liter [L, l] as the target unit
Click the convert button to see the equivalent volume in liters

Key Features

Converts teaspoon (US) volume to liter quickly and accurately
Uses a precise conversion rate based on US customary and metric definitions
Supports common applications in cooking, healthcare, and laboratory settings

Examples

5 teaspoons (US) equals approximately 0.024645 liters
10 teaspoons (US) convert to about 0.049289 liters

Common Use Cases

Measuring small ingredient amounts in baking and cooking recipes
Dosing liquid medicines and syrups in home healthcare
Translating customary kitchen volumes to metric units for laboratory or industrial use

Tips & Best Practices

Ensure you specify the US customary teaspoon to avoid regional volume differences
Use decimal fractions when converting very small volumes to liters for clarity
Double-check measurements when precise dosing or scientific accuracy is required

Limitations

The teaspoon (US) is a small unit often rounded in practice, affecting precision
Liter is a larger metric unit and may be less practical for tiny volumes without decimals
Conversion applies strictly to the US customary teaspoon and not other regional variants

Frequently Asked Questions

What is a US teaspoon in milliliters?: A US teaspoon is exactly 4.92892159375 milliliters, commonly rounded to 4.93 mL.
Is the liter an SI base unit?: No, the liter is not an SI base unit but is accepted for use with the SI system.
Why is this conversion important in cooking and medicine?: It helps translate small volume amounts measured in customary units to standard metric units used internationally and scientifically.

Key Terminology

Teaspoon (US): A US customary volume unit equal to 1/6 of a US fluid ounce or approximately 4.92892159375 milliliters.
Liter: A metric volume unit equal to one cubic decimeter, widely used for measuring liquids, symbolized as L or l.

Quick Knowledge Check

What is the exact volume of one US teaspoon in milliliters?

5 mL

4.92892159375 mL

3.5 mL

Which unit is larger?

Teaspoon (US)

Liter

Both are equal

For which unit system is the liter accepted?

SI base unit

Accepted with SI

Not related to SI

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