Convert Water from Teaspoon to Ounces
How many ounces is 1 teaspoon of water?
1 teaspoon of water (H2O) is 0.18 ounces. 2 teaspoons of water is 0.35 ounces. 1/2 teaspoon of water is 0.09 ounces. 1/4 teaspoon (0.25 teaspoon) of water is 0.04 ounces. Use the converter below for any amount.
- A teaspoon here is the 5 ml standard, the same in the UK, Europe, and Australia. A US teaspoon is fractionally smaller at about 4.9 ml. When teaspoon size matters →
No measuring spoons? The tool below gets you close, and a measuring spoon set keeps small amounts accurate.
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0.18 OuncesWater Calculators & Baking Tools
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Common Water Conversions
Here are the most common water conversions from teaspoons to ounces.
| Teaspoons | Ounces |
|---|---|
| 0.25 tsp | 0.04 oz |
| 0.5 tsp | 0.09 oz |
| 1 tsp | 0.18 oz |
| 2 tsp | 0.35 oz |
| 3 tsp | 0.53 oz |
| 4 tsp | 0.71 oz |
| 6 tsp | 1.06 oz |
| 8 tsp | 1.41 oz |
| 12 tsp | 2.12 oz |
For the reverse conversion, see 1 ounce of water in teaspoons.
Frequently Asked Questions
- What is 1 teaspoon of water in ounces?
- 1 teaspoon of water is 0.18 ounces. The ratio is fixed, so 2 teaspoons of water is 0.35 ounces and 0.5 teaspoons is 0.09 ounces. Use the converter above for any quantity, or check the conversion chart on this page for the most common amounts at a glance. Open the water converter
- How many ounces is 1.5 teaspoons of water?
- 1.5 teaspoons of water is 0.26 ounces. The ratio is fixed, so 1 teaspoon of water is 0.18 ounces and 2 teaspoons is 0.35 ounces. Type any other amount into the converter above for the exact figure, or use the chart above for the common ones.
- What is 2 teaspoons of water in ounces?
- 2 teaspoons of water is 0.35 ounces. Conversions scale in a straight line, so halving or doubling a recipe keeps the same ratio. 1 teaspoon of water is 0.18 ounces, and you can multiply or divide that figure to match whatever your recipe needs. Enter any amount in the converter above for an exact ounces reading.
- How many teaspoons of water is 0.18 ounces?
- 0.18 ounces of water is 1.02 teaspoons. The conversion works the same in reverse, so you can switch between ounces and teaspoons without changing the result. This helps when a recipe lists teaspoons but you would rather weigh or measure in ounces. The converter above and the chart above cover both directions for any amount.
- How much is 1 teaspoon of H2O in ounces?
- H2O is another name for water, so 1 teaspoon of H2O is 0.18 ounces, exactly the same as water. The figure does not change with the name: 2 teaspoons is 0.35 ounces and 0.5 teaspoons is 0.09 ounces. Use the converter above for any quantity, or read the conversion chart on this page for the most common amounts.