Volume converter

Teaspoons to Milliliters Converter

1 teaspoon = 4.92892 milliliters. Type a number below to convert teaspoons (tsp) to milliliters (mL) instantly.

Teaspoons (tsp) Milliliters (mL)

1 tsp = 4.92892 mL

mL = tsp × 4.92892

Free, instant and private — the conversion runs in your browser.

How to convert teaspoons to milliliters

1 teaspoon equals 4.92892 milliliters, so you multiply by 4.92892:

mL = tsp × 4.92892

Example

Let's convert 1 teaspoons to milliliters:

1 tsp = 4.92892 mL

Going the other way

1 milliliter = 0.202884 teaspoons.

What is a teaspoon?

A US teaspoon is one third of a tablespoon, or about 4.93 milliliters.

What is a milliliter?

A milliliter is one thousandth of a liter. It is used for drinks, medicine and recipes.

tsp to mL conversion chart

Teaspoons (tsp)	Milliliters (mL)
0.5 tsp	2.46446 mL
1 tsp	4.92892 mL
2 tsp	9.85784 mL
3 tsp	14.7868 mL
4 tsp	19.7157 mL
5 tsp	24.6446 mL
6 tsp	29.5735 mL
7 tsp	34.5025 mL
8 tsp	39.4314 mL
9 tsp	44.3603 mL
10 tsp	49.2892 mL
12 tsp	59.1471 mL
15 tsp	73.9338 mL
20 tsp	98.5784 mL
25 tsp	123.223 mL
30 tsp	147.868 mL
40 tsp	197.157 mL
50 tsp	246.446 mL
75 tsp	369.669 mL
100 tsp	492.892 mL
200 tsp	985.784 mL
500 tsp	2,464.46 mL
1,000 tsp	4,928.92 mL

FAQ

tsp to mL: common questions

Quick answers about converting teaspoons to milliliters.

How many milliliters are in a teaspoon?

1 teaspoon = 4.92892 milliliters. To convert, use: mL = tsp × 4.92892.

How do I convert teaspoons to milliliters?

Use the formula mL = tsp × 4.92892. For example, 1 tsp = 4.92892 mL. Or type any number into the converter above.

How many teaspoons are in a milliliter?

1 milliliter = 0.202884 teaspoons.

Is this tsp to mL converter free?

Yes. It is completely free, works on phones and computers, and needs no sign-up. The result updates instantly as you type.

Does this use US or UK units?

It uses US customary units (US gallons, cups and fluid ounces), which are what most recipes and labels in the United States use. UK (imperial) gallons and fluid ounces are different sizes.

More volume conversions

Liters to Gallons L → gal Gallons to Liters gal → L Milliliters to Fluid ounces mL → fl oz Fluid ounces to Milliliters fl oz → mL Cups to Milliliters cup → mL Milliliters to Cups mL → cup Tablespoons to Milliliters tbsp → mL Quarts to Liters qt → L Liters to Quarts L → qt Cups to Fluid ounces cup → fl oz Tablespoons to Teaspoons tbsp → tsp All unit conversions → Full unit converter tool →

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