Quick Summary: There are about 5 mL in 1 US teaspoon (4.92892 mL, usually rounded to 5). A metric teaspoon is exactly 5 mL. To convert teaspoons to milliliters, multiply the number of teaspoons by 5. So ½ teaspoon = 2.5 mL, 1 ½ teaspoon = 7.5 mL, and 2 teaspoon = 10 mL. To go the other way, divide the milliliters by 5.
Want to know how many mL in a teaspoon? Learn what a milliliter is and enjoy the handy conversion charts from teaspoons to milliliters and vice versa.
Jump to:
- What is a milliliter?
- What is a teaspoon?
- How many mL in a teaspoon
- Teaspoon to mL conversion chart
- How to convert a teaspoon to a milliliter
- How many teaspoons in mL
- Milliliter to teaspoons conversion table
- How to convert mL to tsp
- How many milliliters in a teaspoon of vanilla extract?
- Related baking conversions
- FAQ
- Comments
What is a milliliter?
A milliliter is a metric unit of volume used to measure liquids and other small quantities. It is abbreviated mL and equals 1/1000 of a liter, the base metric unit of volume. In cooking and baking, milliliters are commonly used to measure ingredients like water, milk, oil, and extracts. One milliliter of water weighs about 1 gram, making it a handy unit for precise measuring.
What is a teaspoon?
A teaspoon is a unit of volume used to measure small amounts of both liquid and dry ingredients in cooking and baking. It is one of the most common kitchen measuring units, abbreviated tsp. A teaspoon is smaller than a tablespoon; 3 teaspoons make up 1 tablespoon.
How many mL in a teaspoon
There are two types of teaspoons used worldwide.
The US teaspoon equals 4.92892 mL
which is used to make the recipes in the United States.
The Metric teaspoon equals 5 mL
which is used in the UK, Australia, Canada, and the Commonwealth.
Teaspoon to mL conversion chart
| Teaspoon (US) | Milliliter (mL) |
|---|---|
| 1 tsp | 5 mL |
| 2 tsp | 10 mL |
| 3 tsp | 15 mL |
| 4 tsp | 20 mL |
| 5 tsp | 25 mL |
| 6 tsp | 30 mL |
| 7 tsp | 35 mL |
| 8 tsp | 40 mL |
| 9 tsp | 45 mL |
| 10 tsp | 50 mL |
How to convert a teaspoon to a milliliter
It is known that 1 teaspoon (US) = 4.92892 mL
To convert teaspoons to milliliters, multiply the teaspoon value by 4.92892, where 4.92892 is a conversion factor.
For example, 2 teaspoon to mL calculation:
2 teaspoon x 4.92892 = 9.8578 mL
Another example of converting a half teaspoon to milliliters:
½ teaspoon x 4.92892 = 2.4645 mL
How many teaspoons in mL
1 mL equals 0.20288 teaspoons (US), or 1 mL = 0.20288 tsp
Milliliter to teaspoons conversion table
| Milliliter (mL) | Teaspoon (Metric) |
|---|---|
| 1 mL | 0.2 tsp |
| 2 mL | 0.4 tsp |
| 3 mL | 0.6 tsp |
| 4 ml | 0.8 tsp |
| 5 ml | 1 tsp |
| 10 mL | 2 tsp |
| 20 mL | 4 tsp |
| 50 mL | 10 tsp |
| 100 mL | 20 tsp |
How to convert mL to tsp
It is known that:
1 mL = 0.202884 teaspoon (US)
1 teaspoon (US) = 4.92892 mL
To convert 1 mL to a teaspoon:
- multiply the milliliter value by 0.202884, where 0.202884 is a conversion factor, OR
- divide the milliliter value by 4.92892, where 4.92892 is a conversion factor.
For example, 1mL to teaspoon calculation:
1 mL x 0.202884 = 0.202884 teaspoon, OR
1 mL ÷ 4.92892 = 0.202884 tsp
Another example to convert 2 ml to tsp:
2 mL x 0.202884 = 0.405768 teaspoon, OR
2 mL ÷ 4.92892 = 0.405768 teaspoon
How many milliliters in a teaspoon of vanilla extract?
One teaspoon of vanilla extract is about 5 mL. Vanilla extract is a thin, water-based liquid, so it measures the same as water by volume. That means the standard teaspoon-to-milliliter conversion applies: 1 teaspoon of vanilla extract equals roughly 5 mL (4.93 mL to be exact).
If a recipe lists vanilla in milliliters, just divide by 5 to get the number of teaspoons.
| Vanilla extract (tsp) | Milliliters (mL) |
|---|---|
| â…› tsp | 0.6 mL |
| ¼ tsp | 1.25 mL |
| ½ tsp | 2.5 mL |
| ¾ tsp | 3.7 mL |
| 1 tsp | 5 mL |
| 2 tsp | 10 mL |
Related baking conversions
If you need to convert between other cooking weight and volume measurements, you can do so on the blog by visiting the Baking Conversion charts.
Individual ingredient converters are available for grams to cups, cups to grams, grams to teaspoons, grams to tablespoons, and more.
Also, check out the other handy kitchen conversions:
- How Many Milliliters In A Tablespoon
- How Many Ounces In A Tablespoon
- How Many Tablespoons In A Cup
- How Many Ounces In A Cup
- How Many Grams In An Ounce
- How Many Cups In A Liter
- How Many Cups In A Quart
- How Many Cups In A Pint
FAQ
How many mL is 1 teaspoon of vanilla extract?
One teaspoon of vanilla extract equals about 5 mL, the same as 1 teaspoon of water.
How many ml is half a teaspoon?
Half a teaspoon (US) equals 2.46 mL.
How much is 2.5 mL in teaspoons?
2.5 mL equals ½ teaspoon.
How many teaspoons is 7.5 mL?
7.5 mL equals 1.5 teaspoons.
How much is 12.5 mL in teaspoons?
12.5 mL equals 2.5 teaspoons.
How much is 60 mL in teaspoons?
60 mL equals 12 teaspoons.
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