Convert Teaspoon (tsp) to Fluid Ounce (fl oz) instantly. Enter any value — result updates live.
Converting Teaspoon to Fluid Ounce is a common volume conversion. One teaspoon (tsp) equals 0.166666779 fluid ounce (fl oz). Teaspoons are the smallest common cooking measurement, also used for medicine dosing.
This conversion is commonly needed for shipping liquid products, home brewing and winemaking, cooking and baking recipes. Fluid ounces measure liquid volumes for beverages, cosmetics, and medicine in the US.
To put teaspoon in perspective: a teaspoon of baking soda. In fluid ounce, common references include a shot of espresso (about 1 fl oz).
The teaspoon's modern volume (about 4.93 mL in the US) was standardized in the early 20th century specifically to make recipe scaling and medicine dosing more consistent.
Despite sharing a name, the US fluid ounce (29.57 mL) and UK fluid ounce (28.41 mL) differ by about 4%, a quirk of divergent imperial standards after the US and UK measurement systems split in the 19th century.
People frequently convert between teaspoon and fluid ounce for:
| Teaspoon (tsp) | Fluid Ounce (fl oz) |
|---|---|
| 1 tsp | 0.166666779 fl oz |
| 2 tsp | 0.333333559 fl oz |
| 5 tsp | 0.833333897 fl oz |
| 10 tsp | 1.66667 fl oz |
| 15 tsp | 2.5 fl oz |
| 20 tsp | 3.33334 fl oz |
| 25 tsp | 4.16667 fl oz |
| 30 tsp | 5 fl oz |
| 50 tsp | 8.33334 fl oz |
| 100 tsp | 16.6667 fl oz |
| 200 tsp | 33.3334 fl oz |
| 500 tsp | 83.3334 fl oz |
| 1000 tsp | 166.7 fl oz |