There are 8 fluid ounces in a cup. So, to get the number of cups in 16 ounces, you just need to divide 16 by 8 = 2.
It’s, therefore, true to say that 16 oz of water equals 2 cups, 1 pint, 16 tablespoons or ½ quart.
How to Convert 16 Ounces to Cups
To convert 16 oz to cups, use the formulas below:
- Divide 16 ounces by 8(the number of ounces in one cup) = (16/8) = 2 cups.
Or
- Multiply 16 ounces by 0.125( 0.125 cups equals an ounce )= (0.125 x 16) = 2 cups
Is 16 fl oz of water the same as 16 oz?
No, 16 fl oz is not the same as 16 oz. A fluid ounce (fl oz) is used to measure liquids/fluids, while an ounce (oz) measures dry ingredients.
It’s hard to equate the measurements of a fluid ounce to an ounce.

Can you survive on a 16 oz cup of water every day?
You can only survive on a 16-ounce cup of water if you pair it with other drinks. If you take milk, tea, fruit juices, coconut water, and sports juices, among other beverages, a 16 oz cup of water a day could be enough.
Vegetables and fruits with high water content could also be of great help.
It’s important to note that drinking 16 ounces of water a day, even with other fluids, may not work for highly active individuals (gym enthusiasts and athletes). They need to drink more water to stay hydrated.
FAQs
Q: What do 16 ounces of water look like?
Q: Do 4 cups equal 16 fl oz?
Reason?
A cup equals 8 fl oz. To get the number of ounces in 4 cups, multiply 4 x 8 = 32 fl oz.
So, 4 cups equal 32 fl oz.
16 fl oz, on the other hand, equals 2 cups.
Q: Is a glass of water 16 fl oz?
To calculate the number of glasses in 16 fl Oz, divide 16 by 8 = 2.
Q: How many 16 oz cups fill a gallon?
To get the number of 16 oz cups in a gallon, divide 128 by 16 = 8.
Therefore, eight 16 oz cups fill a gallon.
Q: How many 16 fl oz cups of water should I drink daily?
If you exercise a lot, eight 8-ounce glasses of water a day might not be enough to keep you hydrated. You’ll also need more water if you are vomiting, have diarrhea or suffering from urinary tract infections.
Q: Is half a cup 8 fl ounces?
½ cup (= 8/2) = 4 fl oz.