Milliliters to Teaspoons (mL to tsp) Converter
1 milliliter equals 0.20288414 US teaspoons — multiply the number of milliliters by 0.20288414 to convert. One US teaspoon holds about 4.93 mL, so roughly 5 mL makes a teaspoon. That means 10 mL is about 2 teaspoons.
The formula
To convert milliliters to US teaspoons, multiply by 0.20288414:
teaspoons = mL × 0.20288414
For example, 4.93 mL × 0.20288414 = 1 tsp. To reverse it, multiply teaspoons by 4.928922.
Conversion table
| Milliliters (mL) | Teaspoons (tsp) |
|---|---|
| 1 | 0.2028841 |
| 2 | 0.4057683 |
| 5 | 1.0144207 |
| 10 | 2.0288414 |
| 25 | 5.0721035 |
| 50 | 10.144207 |
| 100 | 20.288414 |
| 500 | 101.44207 |
| 1000 | 202.88414 |
How to convert online
- Type the number of milliliters into the first box.
- Read the equivalent in teaspoons instantly in the second box.
- Type a teaspoon value instead to convert back to milliliters — it works both ways.
Use the Milliliter to Teaspoon Converter — free and instant in your browser.
Where this conversion is used
This conversion is vital when dosing liquid medicine, mixing small quantities in cooking, or preparing solutions, turning a precise mL figure on a bottle into the teaspoons you actually measure with.
FAQ
How many teaspoons are in a milliliter?
One milliliter equals 0.20288414 US teaspoons. A full US teaspoon is 4.929 mL.
What is the formula to convert milliliters to teaspoons?
Multiply the mL value by 0.20288414: tsp = mL × 0.20288414. For example, 10 mL = 2.0288414 teaspoons.
How do I convert teaspoons back to milliliters?
Multiply the teaspoon value by 4.928922. So 3 tsp × 4.928922 = 14.79 mL.
Is the conversion exact?
It is based on the US teaspoon of 4.929 mL. Metric teaspoons (5 mL) differ slightly, so use the US figure for US recipes.
Related converters
- Teaspoon to Milliliter Converter
- Milliliter to Tablespoon Converter
- Milliliter to Cup Converter
- Milliliter to Liter Converter
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