How to convert fluid ounces to teaspoons
To convert fluid ounces to teaspoons, multiply by 6. Volume conversions help with recipes, fuel, beverages, aquariums and laboratory work. US customary units are used here.
Fluid Ounce to Teaspoon conversion table
| Fluid Ounce (fl oz) | Teaspoon (tsp) |
|---|---|
| 0.1 fl oz | 0.6 tsp |
| 0.5 fl oz | 3 tsp |
| 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 |
| 10 fl oz | 60 tsp |
| 20 fl oz | 120 tsp |
| 25 fl oz | 150 tsp |
| 50 fl oz | 300 tsp |
| 100 fl oz | 600 tsp |
| 500 fl oz | 3,000 tsp |
| 1,000 fl oz | 6,000 tsp |
About the units
Fluid Ounce (fl oz)
A US fluid ounce is 1/128 of a US gallon, exactly 29.5735295625 mL.
Teaspoon (tsp)
A US teaspoon is 1/6 of a US fluid ounce, about 4.93 mL.
How to use this converter
- Type the number of fluid ounces (fl oz) in the input box.
- The result in teaspoons appears instantly — no button needed.
- See the same value in every other volume unit just below.
- Use “Swap units” to convert teaspoons back to fluid ounces.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many teaspoons are in one fluid ounce?
One fluid ounce equals 6 teaspoons. 6 is the exact factor used by this converter.
How do I convert fluid ounces to teaspoons?
Multiply the value in fluid ounces by 6. To go the other way, multiply teaspoons by 0.166666666667.
What is 10 fl oz in tsp?
10 fl oz = 60 tsp. Also, 5 fl oz = 30 tsp and 100 fl oz = 600 tsp.
What is the difference between a fluid ounce and a teaspoon?
A US fluid ounce is 1/128 of a US gallon, exactly 29.5735295625 mL. A US teaspoon is 1/6 of a US fluid ounce, about 4.93 mL.
Is this tool free and private?
Yes — the Fluid Ounce to Teaspoon is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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