A cup of water is 8 fluid ounces (oz). This is the equivalent of 1/2 a pint or 237 milliliters (mL). A glass of water typically contains between 250 and 350 mL, which means that it has about 3.4 to 4.7 cups of water in it.
There are 8 ounces in a cup of water.
How many cups of water is 8 oz?
How Many Dry Ounces in a Cup
If you’re wondering how many dry ounces are in a cup, the answer is 8. This assumes that you’re using the standard US cup, which is 8 fluid ounces or 1/2 pint. In other words, there are 16 tablespoons in a cup, and 2 tablespoons in a fluid ounce.

Credit: www.healthline.com
How Many Fl Oz is a Cup of Water?
There are 8 fluid ounces in a cup. This is true for both liquid and dry measurements.
Is 8 Oz 1 Cup of Water?
Yes, 8 oz is equal to 1 cup of water.
How Much is a Cup of Water?
A cup of water is 8 fluid ounces or 1/2 a pint.
How Big is a Cup of Water?
A cup of water is 8 fluid ounces.
Conclusion
There are 8 ounces in a cup of water.