A US fluid ounce is 1/128 of a US gallon, equal to about 29.57 milliliters.
Fluid ounce to Teaspoon
Convert Fluid ounce to Teaspoon instantly. Free online cooking unit converter with exact formula, conversion table and FAQ.
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Convert cooking volume and mass units used in recipes and nutrition workflows.
Context values
Some unit families need one extra value for a physically accurate result.
A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
tsp = fl oz × 6
Results update instantly for Fluid ounce to Teaspoon conversions.
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Formula
tsp = fl oz × 6
fl oz = tsp × 0.1666666667
Conversion table
| 1 fl oz | 6 tsp |
| 5 fl oz | 30 tsp |
| 10 fl oz | 60 tsp |
| 20 fl oz | 120 tsp |
| 50 fl oz | 300 tsp |
| 100 fl oz | 600 tsp |
| 500 fl oz | 3000 tsp |
| 1000 fl oz | 6000 tsp |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the fluid ounce (fl oz). A US fluid ounce is 1/128 of a US gallon, equal to about 29.57 milliliters.
What is the destination unit in this conversion?
The destination unit is the teaspoon (tsp). A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
How do I convert fluid ounce to teaspoon?
Multiply the fluid ounce value by 6. For example, 10 fl oz × 6 = 60 tsp.
Is the fluid ounce to teaspoon conversion exact?
Yes. This conversion uses a fixed factor defined for cooking measurement standards, so results are consistent every time.
Where is this conversion commonly used?
It's used when following recipes, adjusting ingredient quantities, or converting between US customary and metric cooking measurements.
Can I convert teaspoon back to fluid ounce?
Yes. Multiply the teaspoon value by 0.1666666667 to get fluid ounce.
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About this conversion
This page converts fluid ounce (fl oz) to teaspoon (tsp) within the cooking converter.
A US fluid ounce is 1/128 of a US gallon, equal to about 29.57 milliliters. A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
The formula is tsp = fl oz × 6, based on each unit's fixed relationship to the cooking converter's reference units.
Results are consistent because the conversion relies on a fixed numerical ratio rather than an estimate.
Use the calculator above for instant results, or the table below for common fluid ounce values already converted to teaspoon.