When you’re thirsty, it can be tempting to reach for a bottle of water. But how much water is there in the bottle? If you don’t know the answer to the question “How many oz in a bottle of water?”, then you’re not alone. We have the answer for you, so read on!

Most water bottles come in either 8, 16, 20, or 24 fl oz sizes. This measurement is also equivalent to 0.5, 1, 1.25, and 1.5 pt respectively. If you want to know how many ounces of water is in a bottle, the answer depends on which size bottle you are using.

Here is the answer to how many oz in a bottle of water, broken down by each size:

**8 fl oz bottle:**8 ounces (oz), 0.5 pints (pt), 0.25 quarts (qt), 0.03125 gallons (gal)**16 fl oz bottle:**16 ounces (oz), 1 pint (pt), 0.5 quarts (qt), 0.0625 gallons (gal)**20 fl oz bottle:**20 ounces (oz), 1.25 pints (pt), 0.625 quarts (qt), 0.078125 gallons (gal)**24 fl oz bottle:**24 ounces (oz), 1.5 pints (pt), 0.75 quarts (qt), 0.09375 gallons (gal)

Most of us are familiar with the metric system, which typically measures volume in milliliters (ml). However, water bottles usually list their volume in ounces (oz) or pints (pt). Keep in mind that there are 16 ounces (oz) in a pint (pt), and 2 pints (pt) in a quart (qt), and 4 quarts (qt) in a gallon (gal).

If you want to know how many ounces of water is in a bottle, the answer is simple: it depends on the size of the bottle! 8 fl oz bottles contain 8 ounces (oz), 16 fl oz bottles contain 16 ounces (oz), 20 fl oz bottles contain 20 ounces (oz), and 24 fl oz bottles contain 24 ounces (oz). We hope this answer to “How many oz in a bottle of water?” helps you out when you’re in a pinch.