Should I Get a 32 Oz or 40 Oz Water Bottle?

Should I Get a 32 Oz or 40 Oz Water Bottle?

If you need to upgrade to a bigger size stainless steel bottle, it would sometimes be challenging to choose between a 32 ounce and a 40 ounce version. In this article, we’re going to give you some reasons why you should get a 32 oz or 40 oz water bottle.

Should I Get a 32 Oz or 40 Oz Water Bottle?

You should get a 32 ounce water bottle if you need something that’s easier to carry and you don’t want to refill too many times. You should get a 40 ounces water bottle if you are spending more time outdoors or doing more strenuous activities.

Generally, people who have more water needs and are serious about them can either get a 32 ounce or 40 ounce bottle. Both of them are good for workouts, outdoor sports, and heavier work. A 32 ounce bottle can also be used by high school or college students. Since it is a little smaller, it is easier to carry. 

A teal colored Hydro Cell water bottle on a coffee table

Features to Consider in a Water Bottle

Having the perfect-sized bottle for your specific activity will help keep you hydrated without needing to refill multiple times a day. Before choosing between a 32 ounce or 40 ounce version, you should identify where you are going to use them and if you will be able to carry a heavy one or not.


The best material for a reusable bottle is stainless steel. Aside from being BPA-free, it is also durable, non-corrosive, and does not leach any chemical into your water. Most of the stainless steel bottles come insulated as well. It has a vacuum seal to keep your drink’s temperature for a longer time.

Select a 32 or 40-ounce bottle that is made of high-quality materials. To confirm that it is safe to use for drinking, make sure it is made of 18/8 stainless steel. An 18/8 stainless steel is a food-grade material which means it is safe for humans.


32 and 40 ounces stainless steel bottles come with different kinds of lids. It can be a lid with a built-in straw or a screw-on lid. These lids can help you drink without worrying about spills or leaks. 

These are crafted to make sure that the water won’t leak even if you are moving or if you accidentally drop your bottle. A bottle with an easy to open lid is also an advantage. Choose a bottle wherein you can change the lid according to your activity for the day.

Different Types of Lids and Their Uses

  • Lid with Straw: This is best to use to make sure that your drinks will go directly to your mouth without too many spills.
  • Flip Lid: This is an easy-open lid that can be used by athletes especially if they only have a very short water break. It can be held using one hand.
  • Screw-on Lid: If you are planning to put your bottle inside your bag, it is the best lid to use.

A man in a hiking trail about to drink from a stainless steel water bottle


An empty 32 ounces stainless steel bottle weighs 15.2 ounces or 0.95 pounds. While a 40 ounce weighs 17.6 ounces or 1.1 pounds. When they are filled to the brim, they can weigh up to 47.2 and 57.6 respectively. 

If you prefer a lighter one, you may opt for a 32 ounce bottle. However, if you need more water than just 32 ounces and you are willing to carry a bit heavier bottle, you may choose the 40 ounce size. 

Powder Coat

Powder coating is an amazing technology that most stainless steel bottles have. If your bottle is powder-coated, it means that you will have a better grip on it. It will not easily slip on your hands and fall. This feature is necessary, especially for bigger bottles.

If you have a big bottle, it will be hard for you to hold it, especially if it is so heavy because of the content. Aside from the handle on the lid, powder coating technology can help you carry your bottle properly.


Stainless steel bottles are effective in keeping your drinks cold or hot because of the insulation and vacuum seal that they have. Hydro Cell bottles have double-wall insulation that prevents sweating. This technology also prevents slipping the bottle off your hand. 

Both the 32 and 40 oz Hydro Cell stainless steel bottles can keep your water cold for about 12 hours and your coffee warm for around 8 hours. 


A 32 and 40 ounces bottle can come with a standard mouth or wide mouth. These two sizes of mouth have different pros and cons.

  • In a wide-mouth bottle, you can easily insert some ice cubes to keep your water colder. It is also easier to clean and refill. 
  • A standard-mouth bottle can also have some ice inside. However, it can be harder to wash. Generally, a standard-mouth bottle can fit a cup holder, but not a wide-mouth bottle.
  • In addition to that, the standard mouth stainless steel bottle can hold ice cubes solid longer than wide-mouth bottles. This is because of the smaller passage of warm and cold air.
Woman carrying an orange water bottle

Related Questions

Is 40 Oz Hydro Cell Stainless Steel Bottle Too Big?

A 40 ounce Hydro Cell stainless steel bottle is considered a large size. It comes in a standard and a wide mouth. It can be heavy if it is filled with drinks. However, it saves you from refilling too many times. This size is also perfect for sharing.

How Many Ounces Should You Drink a Day?

You should drink at least 8 glasses of 8-ounce of water per day, also known as the 8x8 rule. If you are using a 32-ounce water bottle, it means that you should refill it once after finishing its content. While if you are using a 40-ounce bottle, you only need to refill ⅓ of it to achieve the required water needs of your body.


The size of the bottle that you should get should depend on your water needs and activities. 32 ounce and 40 ounces water bottles can be best used for longer outdoor activities, whether for work or sports. They can also be used for sharing with family members or friends. 

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