Teaspoon to Milliliter Converter
This tool converts Teaspoon (tsp) to Milliliter (mL) quickly and accurately. Whether you are baking precisely, dosing medicine, or measuring small quantities, it delivers instant results as you type.
Understanding the Units
Teaspoon (tsp)
Milliliter (mL)
Who Uses This Conversion?
- Bakers — measuring spices, salt, and leavening agents
- Caregivers — dosing children's medicine accurately
- Home cooks — converting recipes to metric units
- Students — relating spoon measures to milliliters
How to Use
Converting Teaspoon to Milliliter takes just seconds:
Enter the Teaspoon Value
Type your value in Teaspoon (tsp) into the first input field.
View the Milliliter Result
The equivalent value in Milliliter (mL) appears instantly in the second field — no convert button needed.
Copy the Result
Use the copy button to send the result to your clipboard for documents, notes, or other tools.
Reverse Conversion
Need to convert Milliliter to Teaspoon instead? Click the swap button (↔) to reverse the direction, or simply type in the Milliliter field directly.
Tips for Accurate Conversions
- Use decimal points for precise values (e.g., 10.5 instead of 11)
- Large numbers are automatically formatted with thousand separators
- Results update instantly as you type
- Use the unit dropdowns to switch to any other volume unit
Features
Instant Conversion
Results appear as you type, with no convert button. The calculation uses precise conversion factors for accurate results.
Bidirectional Input
Type in either field and the other updates automatically, so you can work in whichever direction you need.
Copy Results
Click the copy button next to any value to copy it to your clipboard for documents, notes, or other applications.
Quick Reference Table
The reference section shows common Teaspoon-to-Milliliter conversions at a glance for fast lookups.
Unit Flexibility
Use the dropdowns to switch to other volume units — liters, milliliters, gallons, cups, fluid ounces, and many more.
Mobile Friendly
The converter works on all devices — desktop, tablet, and mobile. Convert volume units wherever you need them.
Common Conversions
| Teaspoon (tsp) | Milliliter (mL) |
|---|---|
| ½ tsp | 2.46 mL |
| 1 tsp | 4.93 mL |
| 2 tsp | 9.86 mL |
| 3 tsp | 14.79 mL |
| 4 tsp | 19.72 mL |
| 5 tsp | 24.64 mL |
Frequently Asked Questions
How many mL is a teaspoon?
One US teaspoon equals 4.93 mL, commonly rounded to 5 mL.
Is a teaspoon exactly 5 mL?
Not exactly. A US teaspoon is 4.93 mL, rounded to 5 mL for convenience. Medicine dosing usually treats 1 teaspoon as 5 mL.
How many teaspoons is 5 mL?
5 mL equals about 1 teaspoon (exactly 1.01 tsp). This is the standard dose marking on medicine cups.
How many teaspoons in a tablespoon?
There are 3 teaspoons in 1 tablespoon. So 3 tsp = 1 tbsp = 14.79 mL.
Can I use a regular spoon to measure a teaspoon?
No — regular spoons vary widely in size. Use a proper measuring spoon or a dosing device, especially for medicine and baking.
Why does medicine use teaspoons and mL?
Liquid medicine doses are often given in teaspoons (5 mL) for familiarity, but mL is more precise. Always use a measuring device, not a kitchen spoon, for accurate dosing.
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