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

More about measuring Water

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Water Measurement Converter

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Result

0.11 Cup

Water Calculators & Baking Tools

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Common Water Conversions

Here are the most common water conversions from ounces to cups.

OuncesCups
1 oz0.11 cups
2 oz0.23 cups
3 oz0.34 cups
4 oz0.45 cups
5 oz0.57 cups
6 oz0.68 cups
8 oz0.91 cups
10 oz1.13 cups
12 oz1.36 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.