How Much Is 1 Quart of Water in Ounces?
1 quart of water equals 33.38 oz. Water has a density of 236.59g per cup (946.36g per quart), which means it's relatively heavy compared to other common cooking ingredients. For comparison, 1 quart of all-purpose flour would be 17.66 oz.
Formula and Step-by-Step
- Start with 1 quart of water
- 1 quart of water = 946.36g
- 1 × 946.36 = 946.36g
- Convert grams to ounces: 946.36 ÷ 28.3495 = 33.38 oz
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
Liquid densities vary: oils weigh less per cup than water, while syrups and honey weigh more. This is why ingredient-specific conversions matter even for liquids.
Water at Different Amounts
How water scales across common quarts measurements. Your amount (1 quart) is highlighted.
For reference, 1 quart of water (946.36g) is close in weight to a 2 lb bag of sugar (907g).
Other Amounts of Water
| Quarts | US Ounces | UK Quart |
|---|---|---|
| 0.5 quarts | 16.69 oz | 20.04 oz |
| 1 quart | 33.38 oz | 40.09 oz |
| 1.5 quarts | 50.07 oz | 60.13 oz |
| 2 quarts | 66.76 oz | 80.18 oz |
| 3 quarts | 100.15 oz | 120.27 oz |
| 4 quarts | 133.53 oz | 160.36 oz |
Understanding the Units
What is a Quart?
US and UK quarts differ significantly. A US quart is 946 ml while a UK (imperial) quart is 1,137 ml, about 20% larger. Recipes from British cookbooks using quarts will need adjustment for US measuring equipment.
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.