Teaspoons to Fluid Ounces Converter

Enter the volume in teaspoons below to get the value converted to fluid ounces.


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Result in Fluid Ounces:

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1 tsp = 0.166667 fl oz

Do you want to convert fluid ounces to teaspoons?

How to Convert Teaspoons to Fluid Ounces

To convert a measurement in teaspoons to a measurement in fluid ounces, divide the volume by the following conversion ratio: 6 teaspoons/fluid ounce.

Since one fluid ounce is equal to 6 teaspoons, you can use this simple formula to convert:

fluid ounces = teaspoons ÷ 6

The volume in fluid ounces is equal to the volume in teaspoons divided by 6.

For example, here's how to convert 5 teaspoons to fluid ounces using the formula above.
fluid ounces = (5 tsp ÷ 6) = 0.833333 fl oz

How Many Fluid Ounces Are in a Teaspoon?

There are 0.166667 fluid ounces in a teaspoon, which is why we use this value in the formula above.

1 tsp = 0.166667 fl oz

Teaspoons and fluid ounces 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 Fluid Ounce?

The US fluid ounce is a unit of volume equal to 1/16 of a pint or 1/8 of a cup. The fluid ounce is sometimes referred to as just an "ounce" but should not be confused with the unit of weight. One fluid ounce is equal to approximately 29.5735 milliliters, but in nutrition labeling, one fluid ounce is rounded to exactly 30 milliliters.[2]

The fluid ounce is a US customary unit of volume. Fluid ounces can be abbreviated as fl oz, and are also sometimes abbreviated as oz fl. For example, 1 fluid ounce can be written as 1 fl oz or 1 oz fl.

Learn more about fluid ounces.

Teaspoon to Fluid Ounce Conversion Table

Table showing various teaspoon measurements converted to fluid ounces.
Teaspoons Fluid Ounces
1 tsp 0.166667 fl oz
2 tsp 0.333333 fl oz
3 tsp 0.5 fl oz
4 tsp 0.666667 fl oz
5 tsp 0.833333 fl oz
6 tsp 1 fl oz
7 tsp 1.1667 fl oz
8 tsp 1.3333 fl oz
9 tsp 1.5 fl oz
10 tsp 1.6667 fl oz
11 tsp 1.8333 fl oz
12 tsp 2 fl oz
13 tsp 2.1667 fl oz
14 tsp 2.3333 fl oz
15 tsp 2.5 fl oz
16 tsp 2.6667 fl oz
17 tsp 2.8333 fl oz
18 tsp 3 fl oz
19 tsp 3.1667 fl oz
20 tsp 3.3333 fl oz
21 tsp 3.5 fl oz
22 tsp 3.6667 fl oz
23 tsp 3.8333 fl oz
24 tsp 4 fl oz
25 tsp 4.1667 fl oz
26 tsp 4.3333 fl oz
27 tsp 4.5 fl oz
28 tsp 4.6667 fl oz
29 tsp 4.8333 fl oz
30 tsp 5 fl oz
31 tsp 5.1667 fl oz
32 tsp 5.3333 fl oz
33 tsp 5.5 fl oz
34 tsp 5.6667 fl oz
35 tsp 5.8333 fl oz
36 tsp 6 fl oz
37 tsp 6.1667 fl oz
38 tsp 6.3333 fl oz
39 tsp 6.5 fl oz
40 tsp 6.6667 fl oz


  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

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