To convert a fluid ounce measurement to a teaspoon measurement, multiply the volume by the conversion ratio.

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


How Many Teaspoons are in a Fluid Ounce?

There are 6 teaspoons in a fluid ounce, which is why we use this value in the formula above.

1 fl oz = 6 tsp

Fluid ounces and teaspoons are both units used to measure volume. Keep reading to learn more about each unit of measure.

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Fluid Ounces

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 an "ounce" but should not be confused with the unit of mass. One fluid ounce is equal to just under 29.6 milliliters, but in nutrition labeling, one fluid ounce is rounded to exactly 30 milliliters.<1>

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

Teaspoons

The teaspoon is a unit of volume equal to one-third of a tablespoon.

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<2> One teaspoon is equal to around 4.9 milliliters, but in nutrition labeling, one teaspoon is equal to exactly 5 milliliters.<3>

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.


Fluid Ounce to Teaspoon Conversion Table

Fluid ounce measurements converted to teaspoonns Fluid Ounces Teaspoons
1 fl oz 6 tsp
2 fl oz 12 tsp
3 fl oz 18 tsp
4 fl oz 24 tsp
5 fl oz 30 tsp
6 fl oz 36 tsp
7 fl oz 42 tsp
8 fl oz 48 tsp
9 fl oz 54 tsp
10 fl oz 60 tsp
11 fl oz 66 tsp
12 fl oz 72 tsp
13 fl oz 78 tsp
14 fl oz 84 tsp
15 fl oz 90 tsp
16 fl oz 96 tsp
17 fl oz 102 tsp
18 fl oz 108 tsp
19 fl oz 114 tsp
20 fl oz 120 tsp
21 fl oz 126 tsp
22 fl oz 132 tsp
23 fl oz 138 tsp
24 fl oz 144 tsp
25 fl oz 150 tsp
26 fl oz 156 tsp
27 fl oz 162 tsp
28 fl oz 168 tsp
29 fl oz 174 tsp
30 fl oz 180 tsp
31 fl oz 186 tsp
32 fl oz 192 tsp
33 fl oz 198 tsp
34 fl oz 204 tsp
35 fl oz 210 tsp
36 fl oz 216 tsp
37 fl oz 222 tsp
38 fl oz 228 tsp
39 fl oz 234 tsp
40 fl oz 240 tsp

References

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-measuresFlorida Department of Agriculture and Consumer Services, Cooking Conversion Guide, https://www.fdacs.gov/content/download/17165/file/P-01775.pdfU.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