How to convert teaspoons to milliliters
To convert teaspoons (tsp) to milliliters (mL), multiply the value in teaspoons by 4.92892159375.
mL = tsp × 4.92892159375
Example: 10 tsp = 49.28921594 mL.
You can also type 10 tsp to mL into the smart calculator, or mix units: 1 tsp + 1 mL.
Teaspoons to Milliliters conversion table
| Teaspoons | Milliliters |
|---|---|
| 0.01 tsp | 0.049289216 mL |
| 0.1 tsp | 0.49289216 mL |
| 0.25 tsp | 1.2322304 mL |
| 0.5 tsp | 2.4644608 mL |
| 1 tsp | 4.9289216 mL |
| 2 tsp | 9.8578432 mL |
| 3 tsp | 14.786765 mL |
| 4 tsp | 19.715686 mL |
| 5 tsp | 24.644608 mL |
| 6 tsp | 29.57353 mL |
| 7 tsp | 34.502451 mL |
| 8 tsp | 39.431373 mL |
| 9 tsp | 44.360294 mL |
| 10 tsp | 49.289216 mL |
| 12 tsp | 59.147059 mL |
| 15 tsp | 73.933824 mL |
| 20 tsp | 98.578432 mL |
| 25 tsp | 123.22304 mL |
| 30 tsp | 147.86765 mL |
| 40 tsp | 197.15686 mL |
| 50 tsp | 246.44608 mL |
| 60 tsp | 295.7353 mL |
| 75 tsp | 369.66912 mL |
| 100 tsp | 492.89216 mL |
| 250 tsp | 1,232.2304 mL |
| 500 tsp | 2,464.4608 mL |
| 1,000 tsp | 4,928.9216 mL |
Converting milliliters back to teaspoons
1 mL = 0.2028841362 tsp. See the Milliliters to Teaspoons converter, or press the swap button above.
About the units
Teaspoon (tsp)
A US teaspoon: 1/6 US fluid ounce, about 4.93 milliliters.
Milliliter (mL)
One thousandth of a liter, the same volume as one cubic centimeter.
Volume is the space a substance occupies. The SI unit is the cubic meter, but the liter (one cubic decimeter) is used far more often. US and imperial units share names but not sizes: a US gallon is 3.785 liters while an imperial gallon is 4.546 liters.
Questions and answers
How many milliliters are in a teaspoon?
One teaspoon (tsp) equals 4.928921594 milliliters (mL).
How do I convert teaspoons to milliliters?
To convert teaspoons to milliliters, multiply the value in teaspoons by 4.92892159375. The formula is mL = tsp × 4.92892159375. For example, 10 tsp = 49.289216 mL.
What is 10 tsp in mL?
10 teaspoons is 49.28921594 milliliters.
Which is bigger, a teaspoon or a milliliter?
A teaspoon is bigger: 1 tsp = 4.928921594 mL.
Is a US gallon the same as a UK gallon?
No. A US gallon is 3.785 liters and an imperial (UK) gallon is 4.546 liters, about 20% more. US and UK pints and fluid ounces differ too.
Does this tsp to mL converter work offline?
Yes. ConvertEasy is a progressive web app: after your first visit it keeps working with no connection, and you can install it to your home screen from the browser menu.