What is 1 teaspoon equal to in ML?

Convert between teaspoons and milliliters (tsp and mL) using this calculator tool and conversion tables. Also, find out how many milliliters there are in a teaspoon. This converter is part of the full cooking calculator.

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Other Cooking Converters
What is a milliliter?
How many teaspoons are in 1 mL?
How many mL are in a teaspoon?
How to convert teaspoon to milliliter
How to convert mL to tsp
Teaspoons to milliliters conversions
Teaspoon (US) to mL conversion table
Teaspoon (Metric) to mL conversion table
Milliliters to teaspoons conversions
Milliliter to teaspoon (US) conversion table
Milliliter to teaspoon (Metric) conversion table
Other baking converters
Frequently asked questions

Other Cooking Converters

Should you wish to convert between other cooking weight and volume units, you can do so on this website. Individual converters are available for cups and grams, cups and ounces and others in our cooking section.

If you have any suggestions for this teaspoons to milliliters converter, please contact me.

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.

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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.

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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

Figures are rounded to 2 decimal places.

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

Figures are rounded to 4 decimal places.

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

Figures are rounded to 4 decimal places.

Other baking converters

If you need to convert between other cooking weight and volume measurements, you can do so on the blog by visiting

Baking Conversion charts >>

Individual ingredients converters are available for grams to cups, cups to grams, grams to teaspoons, grams to tablespoons, and others.

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.