# How Many Ounces of Water Are in a Bottle? Discover the Answer Here

Ever wonder just how much water is in a bottle? This is an important question when it comes to hydration, as it can affect how much water you should be drinking throughout the day. The amount of water in a bottle can vary based on the type and size of the bottle. Here we’ll explore how many ounces of water are in a bottle to better help you understand how to make sure you are hydrated throughout your day.

## Common Bottle Sizes

Most plastic bottles of water come in 8, 12, 16.9, and 20 ounces. Glass bottles of water are typically 16.9 ounces, though some can come in smaller sizes. With a general understanding of the common bottle sizes of water, we can better understand how many ounces of water are in a bottle.

## 8 Ounce Water Bottles

An 8 ounce bottled water will be the smallest plastic bottle you can find. It is usually small enough to fit in most cup holders and is ideal for those who want to take a small amount of water with them on the go. An 8 ounce bottle of water has a total fluid ounce of 8 ounces.

## 12 Ounce Water Bottles

A 12 ounce bottled water will be the next size up from the 8-ounce bottle. This bottle is still relatively small and can fit into most cup holders. It is ideal for those who want to take a moderate amount of water with them on the go. A 12 ounce bottle of water has a total fluid ounce of 12 ounces.

## 16.9 Ounce Water Bottles

A 16.9 ounce bottled water will be the most common size and is usually in plastic or glass bottles. This is the size bottled water you will most likely see in stores and vending machines. A 16.9 ounce bottle of water has a total fluid ounce of 16.9 ounces.

## 20 Ounce Water Bottles

A 20 ounce bottled water will be the largest plastic bottle size and is ideal for those who want to take a significant amount of water with them on the go. A 20 ounce bottle of water has a total fluid ounce of 20 ounces.

## Conclusion

Now that we have explored the common sizes of bottled water, it is clear that the amount of water in a bottle can vary drastically. The number of ounces of water in a bottle will depend on the size of the bottle, with smaller 8, 12, and 16.9 ounce water bottles. The larger 20 ounce water bottles will offer the most water for those who need to stay hydrated. With this knowledge, you can better make sure you are properly hydrated throughout your day.