Fluid Ounces to Teaspoons Conversion
Enter the volume in fluid ounces below to get the value converted to teaspoons.
How to Convert Fluid Ounces to Teaspoons

To convert a fluid ounce measurement to a teaspoon measurement, multiply the volume by the conversion ratio. One fluid ounce is equal to 6 teaspoons, so use this simple formula to convert:
The volume in teaspoons is equal to the fluid ounces multiplied by 6.
Fluid ounces and teaspoons are both units used to measure volume. Keep reading to learn more about each unit of measure.
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 labelling, 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.[2] One teaspoon is equal to around 4.9 milliliters, but in nutrition labelling, 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 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-measures
- Florida Department of Agriculture and Consumer Services, Cooking Conversion Guide, https://www.fdacs.gov/content/download/17165/file/P-01775.pdf
- 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