Teaspoons to Milliliters Converter
Convert teaspoons to milliliters and vice versa instantly. Supports US teaspoons (4.92892 mL) and metric teaspoons (5 mL). Perfect for cooking, baking, medication dosing, and kitchen measurements.
What Is a Teaspoon?
A teaspoon (tsp) is a small unit of volume commonly used in cooking, baking, and medicine. There are two main standards for teaspoons:
- US Teaspoon: 1 US teaspoon = 4.92892 milliliters (mL). This is the standard used in the United States for recipes and nutrition labeling.
- Metric Teaspoon: 1 metric teaspoon = 5 milliliters (mL). This is the standard used in many other countries and is often used in scientific contexts.
One tablespoon equals 3 teaspoons, and 1 fluid ounce equals 6 teaspoons.
How Does the Teaspoons to Milliliters Converter Work?
The converter uses the exact conversion factors:
US Teaspoon: 1 tsp = 4.92892 mL
Metric Teaspoon: 1 tsp = 5 mL
For conversion:
mL = tsp × Factor
tsp = mL ÷ Factor
Simply enter a value in either teaspoons or milliliters, select the direction of conversion, and choose your teaspoon standard. The calculator will instantly compute the equivalent measurement with your chosen precision.
Why Use This Teaspoons to Milliliters Converter?
- Two Standards: Supports both US teaspoons (4.92892 mL) and metric teaspoons (5 mL).
- Bidirectional: Convert from teaspoons to milliliters or milliliters to teaspoons.
- Quick Reference: Includes a conversion table for common cooking measurements.
- Precise Results: Uses the exact conversion factors with customizable decimal precision.
- Free & Private: No registration, no data storage.
Common Teaspoon Conversions
- ¼ tsp = 1.23 mL (US) / 1.25 mL (metric)
- ½ tsp = 2.46 mL (US) / 2.5 mL (metric)
- 1 tsp = 4.93 mL (US) / 5 mL (metric)
- 2 tsp = 9.86 mL (US) / 10 mL (metric)
- 3 tsp = 14.79 mL (US) / 15 mL (metric) = 1 tablespoon
❓ Teaspoons to Milliliters FAQ
How many milliliters are in a teaspoon?
A US teaspoon equals 4.92892 milliliters. A metric teaspoon equals 5 milliliters. This converter supports both standards.
How do I convert teaspoons to milliliters?
Multiply the number of teaspoons by 4.92892 (for US teaspoons) or 5 (for metric teaspoons). For example: 2 tsp × 4.92892 = 9.85784 mL.
How do I convert milliliters to teaspoons?
Divide the number of milliliters by 4.92892 (for US teaspoons) or 5 (for metric teaspoons). For example: 10 mL ÷ 4.92892 = 2.0288 tsp.
What is the difference between a US teaspoon and a metric teaspoon?
A US teaspoon is 4.92892 mL, while a metric teaspoon is exactly 5 mL. The difference is about 1.4%. This calculator supports both standards.
How many teaspoons are in a tablespoon?
There are 3 teaspoons in 1 tablespoon. One tablespoon equals 14.7868 mL (US) or 15 mL (metric).
How many teaspoons are in an ounce?
There are 6 teaspoons in 1 fluid ounce. One fluid ounce equals 29.5735 mL.
How many teaspoons are in a cup?
There are 48 teaspoons in 1 US cup. This is because 1 cup = 16 tablespoons and 1 tablespoon = 3 teaspoons.
What is 1 teaspoon in mL for cooking?
For cooking, 1 teaspoon is commonly rounded to 5 mL in many recipes, though the precise US teaspoon is 4.92892 mL.
What is ½ teaspoon in mL?
½ teaspoon = 2.46446 mL (US) or 2.5 mL (metric).
What is ¼ teaspoon in mL?
¼ teaspoon = 1.23223 mL (US) or 1.25 mL (metric).
What is the difference between a teaspoon and a tablespoon?
A tablespoon is 3 times larger than a teaspoon. 1 tablespoon = 3 teaspoons = 14.7868 mL (US) or 15 mL (metric).
Is a teaspoon 5 mL exactly?
In the metric system, a teaspoon is exactly 5 mL. In the US system, a teaspoon is 4.92892 mL.
How do I measure teaspoons without a measuring spoon?
Use a standard tablespoon and fill it ⅓ full (1 teaspoon = ⅓ tablespoon). A standard coffee spoon or small soup spoon is often close to a teaspoon, but measuring spoons are recommended for accuracy.
What is the conversion factor for teaspoons to milliliters?
The conversion factor is 4.92892 for US teaspoons and 5 for metric teaspoons.
Can I use this calculator for medication dosing?
For medication dosing, always use a proper measuring device and follow your healthcare provider's instructions. This calculator is for informational purposes and should not replace professional medical advice.
What is the difference between a teaspoon and a dessert spoon?
A dessert spoon is larger than a teaspoon but smaller than a tablespoon. 1 dessert spoon (UK) equals approximately 12.32 mL.
How do I convert a recipe from teaspoons to milliliters?
Multiply each teaspoon measurement by 4.92892 (US) or 5 (metric). This converter makes it easy — just enter the teaspoon value and get the milliliter result instantly.