Teaspoons to fluid ounces
One tsp equals 0.1666666667 fl oz. Type any number and the answer appears as you type — the maths happens in your browser.
Result
The same value in every unit
| Unit | Value |
|---|
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Common values
| teaspoons | fluid ounces |
|---|---|
| 1 tsp | 0.16666667 fl oz |
| 2 tsp | 0.33333333 fl oz |
| 3 tsp | 0.5 fl oz |
| 5 tsp | 0.83333333 fl oz |
| 10 tsp | 1.6666667 fl oz |
| 15 tsp | 2.5 fl oz |
| 20 tsp | 3.3333333 fl oz |
| 25 tsp | 4.1666667 fl oz |
| 50 tsp | 8.3333333 fl oz |
| 100 tsp | 16.666667 fl oz |
| 500 tsp | 83.333333 fl oz |
| 1000 tsp | 166.66667 fl oz |
How to use
- Enter the number of teaspoons in the field.
- The result in fluid ounces updates on every keystroke.
- Use the table below for the values people look up most often.
Formula and reverse conversion
The formula
To convert by hand: fl oz = tsp ÷ 6. Going back the other way, one fl oz is 6 tsp.
Where the odd number comes from
The factor is not a round number because the imperial units are defined through the metric ones by international agreement: an inch is exactly 25.4 mm and a pound is exactly 0.45359237 kg. Everything else follows from those definitions.
fl oz = tsp ÷ 6
Frequently asked questions
How many fluid ounces are in one teaspoons?
One tsp is 0.1666666667 fl oz.
How do I convert teaspoons to fluid ounces?
Multiply by the factor: fl oz = tsp ÷ 6.
Is the result exact?
The factors are the exact legal definitions, and up to ten significant digits are kept in the answer. Rounding happens only in the display.
How do I convert fluid ounces back to teaspoons?
One fl oz is 6 tsp — or open the reverse page linked below.