How Much Is 18 Teaspoons of Water in Ounces?
Converting 18 teaspoons of water to ounces gives 3.13 oz. One teaspoon of water weighs 4.93g, so 18 teaspoons is 18 × 4.93 = 88.72g (3.13 oz). This conversion is specific to water because each ingredient has a different density.
Formula and Step-by-Step
- Start with 18 teaspoons of water
- 1 teaspoon of water = 4.93g
- 18 × 4.93 = 88.72g
- Convert grams to ounces: 88.72 ÷ 28.3495 = 3.13 oz
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
For liquids, place your measuring spoon on a flat surface and read at eye level. The bottom of the meniscus (the curve at the surface) should align with the measurement line.
Water at Different Amounts
How water scales across common teaspoons measurements. Your amount (18 teaspoons) is highlighted.
For reference, 18 teaspoons of water (88.72g) is close in weight to a deck of playing cards (94g).
Other Amounts of Water
| Teaspoons | US Ounces | Metric Teaspoon | Imperial Teaspoon |
|---|---|---|---|
| 0.25 teaspoons | 0.04 oz | 0.04 oz | 0.05 oz |
| 0.5 teaspoons | 0.09 oz | 0.09 oz | 0.10 oz |
| 1 teaspoon | 0.17 oz | 0.18 oz | 0.21 oz |
| 1.5 teaspoons | 0.26 oz | 0.26 oz | 0.31 oz |
| 2 teaspoons | 0.35 oz | 0.35 oz | 0.42 oz |
| 3 teaspoons | 0.52 oz | 0.53 oz | 0.63 oz |
| 4 teaspoons | 0.70 oz | 0.71 oz | 0.84 oz |
| 5 teaspoons | 0.87 oz | 0.88 oz | 1.04 oz |
| 6 teaspoons | 1.04 oz | 1.06 oz | 1.25 oz |
| 8 teaspoons | 1.39 oz | 1.41 oz | 1.67 oz |
| 18 teaspoons | 3.13 oz | 3.17 oz | 3.76 oz |
Understanding the Units
What is a Teaspoon?
In baking, teaspoon measurements are critical for ingredients where precision changes the outcome. Too much baking soda (1 tsp = 6g) creates a metallic taste, while too little means flat results.
What is an Ounce?
An ounce (oz) is a US customary unit of weight equal to 28.3495 grams or 1/16 of a pound. In cooking, "ounces" refers to weight (avoirdupois ounces), not fluid ounces which measure volume.