Convert Fluid Ounces (US) to Teaspoons (US)
One fluid ounce (US) equals 6 teaspoons (us). Type any value to convert fluid ounces (us) to teaspoons (us) instantly — with a full reference table below.
Convert Fluid Ounces (US) to Teaspoons (US)
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How to convert Fluid Ounces (US) to Teaspoons (US)
To convert fluid ounces (us) to teaspoons (us), multiply by 6. One fluid ounce (US) equals 6 tsp, and one teaspoon (US) equals 0.166667 fl oz.
- Take the value in fluid ounces (us) — for example 7.5 fl oz.
- Multiply by 6 (the number of teaspoons (us) in one fluid ounce (US)).
- 7.5 × 6 = 45 tsp.
Quick mental estimate: Multiply the number of fluid ounces (us) by 6 — that is exact.
Fluid Ounces (US) to Teaspoons (US) conversion table
| Fluid Ounces (US) | Teaspoons (US) |
|---|---|
| 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 |
| 6 fl oz | 36 tsp |
| 8 fl oz | 48 tsp |
| 10 fl oz | 60 tsp |
| 12 fl oz | 72 tsp |
| 16 fl oz | 96 tsp |
| 20 fl oz | 120 tsp |
| 24 fl oz | 144 tsp |
| 32 fl oz | 192 tsp |
| 50 fl oz | 300 tsp |
| 100 fl oz | 600 tsp |
| Teaspoons (US) | Fluid Ounces (US) |
|---|---|
| 1 tsp | 0.166667 fl oz |
| 2 tsp | 0.333333 fl oz |
| 3 tsp | 0.5 fl oz |
| 4 tsp | 0.666667 fl oz |
| 5 tsp | 0.833333 fl oz |
| 6 tsp | 1 fl oz |
| 8 tsp | 1.333333 fl oz |
| 10 tsp | 1.666667 fl oz |
| 12 tsp | 2 fl oz |
| 16 tsp | 2.666667 fl oz |
| 20 tsp | 3.333333 fl oz |
| 24 tsp | 4 fl oz |
| 32 tsp | 5.333333 fl oz |
| 50 tsp | 8.333333 fl oz |
| 100 tsp | 16.66667 fl oz |
About converting Fluid Ounces (US) to Teaspoons (US)
Fluid Ounces (US) (fl oz) and Teaspoons (US) (tsp) are both units of volume. The exact factor is 1 fl oz = 6 tsp, so multiply by 6 to go from fluid ounces (us) to teaspoons (us) (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Teaspoons (US) to Fluid Ounces (US) converter, or the full unit converter for every unit at once.
Real-world volume in fluid ounces (us) and teaspoons (us)
| Example | Fluid Ounces (US) | Teaspoons (US) |
|---|---|---|
| A medicine teaspoon dose | 0.16907 fl oz | 1.014421 tsp |
| A US soda can (12 fl oz) | 12 fl oz | 72 tsp |
| A wine bottle | 25.36052 fl oz | 152.1631 tsp |
| A US gallon of milk | 128 fl oz | 768 tsp |
| A typical car fuel tank | ≈ 1,690.701 fl oz | ≈ 10,144.21 tsp |
| A typical bathtub | ≈ 5,072.103 fl oz | ≈ 30,432.62 tsp |
“≈” marks typical values; the rest are defined or measured figures.
The units
The US fluid ounce: 1/128 US gallon, 29.5735295625 mL.
Used for: US drink and cosmetics labels.
A third of a tablespoon, 4.92892159375 mL — medicine spoons round this to 5 mL.
Used for: Recipes and medicine doses.
US customary volumes are exact by definition: the US gallon is 231 cubic inches, which is exactly 3.785411784 litres.