How Many Teaspoons Are in an Ounce? (The Simple Answer)
1 US fluid ounce equals 6 teaspoons. Get the exact conversion, a quick tsp-to-oz chart, dry vs liquid ounces explained, and a free converter.
How Many Teaspoons Are in an Ounce?
There are 6 teaspoons (tsp) in 1 US fluid ounce (fl oz). That is the simple answer, and it applies to any liquid: water, milk, oil, or broth.
Use our teaspoons to ounces converter to convert any amount instantly, or keep reading for the full chart, the formula, and the one case where this answer does not hold.
Quick TSP to Ounce Conversion Chart
| Fluid ounces | Teaspoons (exact) |
|---|---|
| 1/8 fl oz | 0.75 tsp |
| 1/4 fl oz | 1.5 tsp |
| 1/2 fl oz | 3 tsp |
| 1 fl oz | 6 tsp |
| 2 fl oz | 12 tsp |
| 3 fl oz | 18 tsp |
| 4 fl oz (1/4 cup) | 24 tsp |
| 8 fl oz (1 cup) | 48 tsp |
| 16 fl oz (1 pint) | 96 tsp |
The Formula: How to Convert Teaspoons to Oz
Since 1 fluid ounce equals 6 teaspoons, converting either direction is straightforward:
- Ounces to teaspoons: multiply by 6. 2 fl oz x 6 = 12 tsp
- Teaspoons to ounces: divide by 6. 12 tsp / 6 = 2 fl oz
Worked example: A recipe calls for 1.5 fluid ounces of vanilla extract. How many teaspoons is that? Multiply 1.5 by 6 to get 9 teaspoons (exactly 3 tablespoons).
The One Big Exception: Dry vs. Liquid Ounces
This 6-teaspoons rule applies only to fluid ounces (volume). There is a separate unit called the ounce (weight, oz) used for dry ingredients like flour, sugar, and salt.
You cannot convert a dry ounce to teaspoons using "6 tsp per oz" because the weight of a teaspoon changes with every ingredient. One fluid ounce of water weighs about 1 ounce, but 1 ounce of flour is a completely different volume.
If you need to convert weight ounces to teaspoons, you must use an ingredient-aware ounces to grams or grams to teaspoons approach instead.
6 Teaspoons = 2 Tablespoons, Not 3
A common mix-up: 6 teaspoons equals 2 tablespoons, because there are 3 teaspoons in each tablespoon. The Canadian and metric teaspoon (5 mL) is slightly larger than the US teaspoon (4.93 mL), which matters at scale but not for home cooking.
Frequently Asked Questions
How many teaspoons in half an ounce? Half a fluid ounce equals 3 teaspoons.
How many teaspoons in 1/4 ounce? One-quarter of a fluid ounce equals 1.5 teaspoons.
Is a tablespoon bigger than a teaspoon? Yes. There are 3 teaspoons in 1 tablespoon, so a tablespoon is three times larger by volume.
For any liquid conversion, convert teaspoons to fluid ounces in seconds with our free tool.