Convert Water from Ounces to Cup
How many cups is 1 ounce of water?
1 ounce of water (H2O) is 0.11 cups. 2 ounces of water is 0.23 cups. 4 ounces of water is 0.45 cups. 6 ounces of water is 0.68 cups. Use the converter below for any amount.
- These figures use the metric cup (250 ml). A US cup is slightly smaller at 240 ml, so it holds a little less. Use the US cup converter →
- Cup sizes are not standard worldwide, so the same cup of an ingredient can weigh more or less depending on the country. What is a cup measurement →
No scale? The tool below gives a good estimate, but for exact bakes a digital kitchen scale removes the guesswork.
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0.11 CupWater Calculators & Baking Tools
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Common Water Conversions
Here are the most common water conversions from ounces to cups.
| Ounces | Cups |
|---|---|
| 1 oz | 0.11 cups |
| 2 oz | 0.23 cups |
| 3 oz | 0.34 cups |
| 4 oz | 0.45 cups |
| 5 oz | 0.57 cups |
| 6 oz | 0.68 cups |
| 8 oz | 0.91 cups |
| 10 oz | 1.13 cups |
| 12 oz | 1.36 cups |
For the reverse conversion, see 1 cup of water in ounces.
Frequently Asked Questions
- How many cups is 1 ounce of water?
- 1 ounce of water is 0.11 cups. The conversion is fixed, so 2 ounces is 0.23 cups and 4 ounces is 0.45 cups. These whole-ounce amounts are the ones recipes call for most with bulk ingredients, and the figure scales in a straight line as you multiply or divide. Use the converter above for any other amount, or the conversion chart on this page for the common ones. Open the water converter
- How many cups is 2 ounces of water?
- 2 ounces of water is 0.23 cups. The conversion is fixed, so 1 ounce is 0.11 cups and 4 ounces is 0.45 cups. These whole-ounce amounts are the ones recipes call for most with bulk ingredients, and the figure scales in a straight line as you multiply or divide. Use the converter above for any other amount, or the conversion chart on this page for the common ones.
- What is 4 oz water in cups?
- 4 ounces of water is 0.45 cups. The conversion is fixed, so 1 ounce is 0.11 cups and 2 ounces is 0.23 cups. These whole-ounce amounts are the ones recipes call for most with bulk ingredients, and the figure scales in a straight line as you multiply or divide. Use the converter above for any other amount, or the conversion chart on this page for the common ones.
- What is 6 oz water in cups?
- 6 ounces of water is 0.68 cups. The conversion is fixed, so 1 ounce is 0.11 cups and 2 ounces is 0.23 cups. These whole-ounce amounts are the ones recipes call for most with bulk ingredients, and the figure scales in a straight line as you multiply or divide. Use the converter above for any other amount, or the conversion chart on this page for the common ones.
- How much is 1 ounce of H2O in cups?
- H2O is another name for water, so 1 ounce of H2O is 0.11 cups, exactly the same as water. The figure does not change with the name: 2 ounces is 0.23 cups and 0.5 ounces is 0.06 cups. Use the converter above for any quantity, or read the conversion chart on this page for the most common amounts.