Convert Fluid Ounce (fl oz) to Teaspoon (tsp) instantly. Enter any value — result updates live.
Converting Fluid Ounce to Teaspoon is a common volume conversion. One fluid ounce (fl oz) equals 6 teaspoon (tsp). Fluid ounces measure liquid volumes for beverages, cosmetics, and medicine in the US.
This conversion is commonly needed for home brewing and winemaking, cooking and baking recipes, fuel and vehicle maintenance. Teaspoons are the smallest common cooking measurement, also used for medicine dosing.
To put fluid ounce in perspective: a shot of espresso (about 1 fl oz). In teaspoon, common references include a teaspoon of vanilla extract.
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.
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.
People frequently convert between fluid ounce and teaspoon for:
| Fluid Ounce (fl oz) | Teaspoon (tsp) |
|---|---|
| 1 fl oz | 6 tsp |
| 2 fl oz | 12 tsp |
| 5 fl oz | 30 tsp |
| 10 fl oz | 60 tsp |
| 15 fl oz | 89.9999 tsp |
| 20 fl oz | 120 tsp |
| 25 fl oz | 150 tsp |
| 30 fl oz | 180 tsp |
| 50 fl oz | 300 tsp |
| 100 fl oz | 600 tsp |
| 200 fl oz | 1,200 tsp |
| 500 fl oz | 3,000 tsp |
| 1000 fl oz | 6,000 tsp |