Milliliters to Teaspoons Converter
Convert milliliters to teaspoons instantly. One milliliter equals exactly 0.2028841 teaspoons. Type in either box to convert both ways, then use the chart, worked examples and everyday sizes below.
How to convert milliliters to teaspoons
Worked example: convert 250 milliliters to teaspoons. Using teaspoons ← milliliters × 0.2028841362, we get 250 × 0.2028841362 = 50.721034 tsp. To check the result, convert back: 50.721034 tsp ÷ 0.2028841362 = 250 ml.
Milliliters to teaspoons chart
| Milliliters (ml) | Teaspoons (tsp) |
|---|---|
| 1 ml | 0.2028841 tsp |
| 2 ml | 0.4057683 tsp |
| 3 ml | 0.6086524 tsp |
| 4 ml | 0.8115365 tsp |
| 5 ml | 1.014421 tsp |
| 6 ml | 1.217305 tsp |
| 8 ml | 1.623073 tsp |
| 10 ml | 2.028841 tsp |
| 12 ml | 2.43461 tsp |
| 15 ml | 3.043262 tsp |
| 20 ml | 4.057683 tsp |
| 25 ml | 5.072103 tsp |
| 30 ml | 6.086524 tsp |
| 40 ml | 8.115365 tsp |
| 50 ml | 10.14421 tsp |
| 75 ml | 15.21631 tsp |
| 100 ml | 20.28841 tsp |
| 150 ml | 30.43262 tsp |
| 200 ml | 40.57683 tsp |
| 250 ml | 50.72103 tsp |
| 500 ml | 101.4421 tsp |
| 1,000 ml | 202.8841 tsp |
Teaspoons to milliliters (reverse)
| Teaspoons (tsp) | Milliliters (ml) |
|---|---|
| 1 tsp | 4.928922 ml |
| 2 tsp | 9.857843 ml |
| 5 tsp | 24.64461 ml |
| 10 tsp | 49.28922 ml |
| 20 tsp | 98.57843 ml |
| 50 tsp | 246.4461 ml |
| 100 tsp | 492.8922 ml |
| 250 tsp | 1,232.23 ml |
| 500 tsp | 2,464.461 ml |
| 1,000 tsp | 4,928.922 ml |
About the milliliter and the teaspoon
A milliliter (millilitre) is one thousandth of a liter and equals one cubic centimeter. It measures medicine, cooking liquids and small drink portions; a teaspoon is about 5 ml.
A US teaspoon is 4.929 milliliters and a third of a tablespoon. Metric recipes often round it to 5 ml. It is the unit for spices, baking powder and vanilla.
One teaspoon equals 4.928922 milliliters, which makes the teaspoon the larger unit of the two.
Everyday sizes in milliliters and teaspoons
| Everyday example (approximate) | In milliliters | In teaspoons |
|---|---|---|
| A teaspoon of medicine | 5 ml | 1.0144 tsp |
| A shot glass | 44 ml | 8.9269 tsp |
| A can of soda | 355 ml | 72.024 tsp |
| A bottle of wine | 750 ml | 152.16 tsp |
| A large water bottle | 1,000 ml | 202.88 tsp |
| A 2-liter soft drink bottle | 2,000 ml | 405.77 tsp |
Milliliters to teaspoons FAQ
How many teaspoons are in one milliliter?
One milliliter equals exactly 0.2028841362 teaspoons. In the other direction, one teaspoon equals 4.9289216 milliliters.
How do I convert milliliters to teaspoons without a calculator?
convert 250 milliliters to teaspoons. Using teaspoons ← milliliters × 0.2028841362, we get 250 × 0.2028841362 = 50.721034 tsp. To check the result, convert back: 50.721034 tsp ÷ 0.2028841362 = 250 ml. For a quick estimate, round the factor to 0.2. Then 250 ml is about 50 tsp, compared with the exact 50.721 tsp (an error of 1.4%). That is close enough for planning, but use the calculator above when the number matters.
What is a 2-liter soft drink bottle in teaspoons?
A 2-liter soft drink bottle is about 2,000 milliliters, which is 405.77 teaspoons. Treat that as an approximate everyday figure rather than an official measurement.
Are the milliliters and teaspoons the same in every country?
The milliliter is exactly 0.001 L, or 1 cm³. A US teaspoon is 4.929 ml while metric recipes round it to 5 ml; both are used in practice.