Want to know how many mL in a teaspoon? The quick answer is about 5 mL. Learn what milliliter is and enjoy the handy milliliter to teaspoon and vice versa conversion charts.
There are a lot of different conversions that you need to know as a baker.
And one of the most important is how many milliliters are in a teaspoon.
This conversion is essential because it will help you accurately measure your ingredients when baking.
Knowing how to do this conversion will ensure your recipes turn out correctly every time.
So, if you are looking for an easy way to remember how many milliliters are in a teaspoon, just think about it this way: there are 5 milliliters in a teaspoon.
What is a milliliter?
A milliliter is a measuring unit of capacity which is the amount of liquid a container can hold. The capacity is measured in milliliters and teaspoons.
The abbreviation of the milliliter is mL; a teaspoon is abbreviated as 'tsp.'
How many teaspoons are in 1 mL?
1 mL equals 0.20288 teaspoons (US),
or 1 mL = 0.20288 tsp
How many mL are 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.
How to convert teaspoon to milliliter
It is known that 1 teaspoon (US) = 4.92892 mL
To convert tablespoons 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 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
Teaspoons to milliliters conversions
Teaspoon (US) to mL conversion table
|Teaspoon (US)||Milliliter (mL)|
|1 tsp||4.93 mL|
|2 tsp||9.86 mL|
|3 tsp||14.79 mL|
|4 tsp||19.72 mL|
|5 tsp||24.64 mL|
|6 tsp||29.57 mL|
|7 tsp||34.50 mL|
|8 tsp||39.43 mL|
|9 tsp||44.36 mL|
|10 tsp||49.29 mL|
Teaspoon (Metric) to mL conversion table
|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|
Milliliters to teaspoons conversions
Milliliter to teaspoon (US) conversion table
|Milliliter (mL)||Teaspoon (US)|
|1 mL||0.2029 tsp|
|2 mL||0.4058 tsp|
|3 mL||0.6087 tsp|
|4 ml||0.8115 tsp|
|5 ml||1.0144 tsp|
|10 mL||2.0288 tsp|
|20 mL||4.0577 tsp|
|50 mL||10.1442 tsp|
|100 mL||20.2884 tsp|
Milliliter to teaspoon (Metric) 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|
Other baking converters
If you need to convert between other cooking weight and volume measurements, you can do so on the blog by visiting
Also, if you want to learn baking basics, baking ingredients and substitutions, how to store your baking goods, visit the Baking 101 page on the website.
Frequently asked questions
A half a teaspoon (US) equals 2.46 mL.
2.5 mL equals ½ teaspoon.
7.5 mL equals 1.5 teaspoons.
12.5 mL equals 2.5 teaspoons.
60 mL equals 12 teaspoons.