Teaspoons to Milliliters Converter

Enter the volume in teaspoons below to get the value converted to milliliters.

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1 tsp = 4.928922 mL

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How to Convert Teaspoons to Milliliters

To convert a measurement in teaspoons to a measurement in milliliters, multiply the volume by the following conversion ratio: 4.928922 milliliters/teaspoon.

Since one teaspoon is equal to 4.928922 milliliters, you can use this simple formula to convert:

milliliters = teaspoons × 4.928922

The volume in milliliters is equal to the volume in teaspoons multiplied by 4.928922.

For example, here's how to convert 5 teaspoons to milliliters using the formula above.
milliliters = (5 tsp × 4.928922) = 24.644608 mL

How Many Milliliters Are in a Teaspoon?

There are 4.928922 milliliters in a teaspoon, which is why we use this value in the formula above.

1 tsp = 4.928922 mL

Teaspoons and milliliters are both units used to measure volume. Keep reading to learn more about each unit of measure.

What Is a Teaspoon?

The teaspoon is a unit of volume equal to 1/3 of a tablespoon or 1/6 of a fluid ounce.[1] One teaspoon is equal to approximately 4.929 milliliters, but in nutrition labeling, one teaspoon is equal to exactly 5 milliliters.[2]

The teaspoon is a US customary unit of volume. Teaspoons can be abbreviated as tsp, and are also sometimes abbreviated as t, ts, or tspn. For example, 1 teaspoon can be written as 1 tsp, 1 t, 1 ts, or 1 tspn.

Learn more about teaspoons.

What Is a Milliliter?

The milliliter is a unit of volume equal to 1 cubic centimeter, 1/1,000 of a liter, or about 0.061 cubic inches.[3]

The milliliter is an SI unit of volume in the metric system. In the metric system, "milli" is the prefix for thousandths, or 10-3. A milliliter is sometimes also referred to as a millilitre. Milliliters can be abbreviated as mL, and are also sometimes abbreviated as ml or mℓ. For example, 1 milliliter can be written as 1 mL, 1 ml, or 1 mℓ.

Since one milliliter is equivalent to one cubic centimeter, milliliters are sometimes expressed using the abbreviation for a cubic centimeter (cc) for things such as medical dosages or engine displacements.

Learn more about milliliters.

Teaspoon to Milliliter Conversion Table

Table showing various teaspoon measurements converted to milliliters.
Teaspoons Milliliters
1 tsp 4.9289 mL
2 tsp 9.8578 mL
3 tsp 14.79 mL
4 tsp 19.72 mL
5 tsp 24.64 mL
6 tsp 29.57 mL
7 tsp 34.5 mL
8 tsp 39.43 mL
9 tsp 44.36 mL
10 tsp 49.29 mL
11 tsp 54.22 mL
12 tsp 59.15 mL
13 tsp 64.08 mL
14 tsp 69 mL
15 tsp 73.93 mL
16 tsp 78.86 mL
17 tsp 83.79 mL
18 tsp 88.72 mL
19 tsp 93.65 mL
20 tsp 98.58 mL
21 tsp 103.51 mL
22 tsp 108.44 mL
23 tsp 113.37 mL
24 tsp 118.29 mL
25 tsp 123.22 mL
26 tsp 128.15 mL
27 tsp 133.08 mL
28 tsp 138.01 mL
29 tsp 142.94 mL
30 tsp 147.87 mL
31 tsp 152.8 mL
32 tsp 157.73 mL
33 tsp 162.65 mL
34 tsp 167.58 mL
35 tsp 172.51 mL
36 tsp 177.44 mL
37 tsp 182.37 mL
38 tsp 187.3 mL
39 tsp 192.23 mL
40 tsp 197.16 mL

References

  1. Florida Department of Agriculture and Consumer Services, Cooking Conversion Guide, https://www.fdacs.gov/content/download/17165/file/P-01775.pdf
  2. U.S. Food & Drug Administration, Guidance for Industry: Guidelines for Determining Metric Equivalents of Household Measures, https://www.fda.gov/regulatory-information/search-fda-guidance-documents/guidance-industry-guidelines-determining-metric-equivalents-household-measures
  3. National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.44-2019.pdf

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