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What Size Hydro Flask Fits In Car Cup Holder


Modified: December 28, 2023

by Jessamyn Cottrell



When you’re on the go, having travel essentials and accessories can make your journey more comfortable and convenient. One such essential is a reliable car cup holder, which allows you to securely place your drinks while driving. However, not all cup holders are created equal, and finding one that accommodates your favorite beverage container can be a challenge.


With the rise in popularity of Hydro Flasks, known for their excellent insulation properties and durability, many travelers wonder if these bottles can fit in their car cup holders. Hydro Flasks come in various sizes, from small water bottles to larger tumblers, and determining whether they can fit in a cup holder depends on multiple factors.


In this article, we will delve into the different sizes of Hydro Flasks and explore the factors to consider when evaluating car cup holder compatibility. We will also highlight which specific Hydro Flasks are known to fit in car cup holders, ensuring you can enjoy your favorite Hyrdo Flask beverage on the road.


Understanding Car Cup Holders

Car cup holders are designed to hold cups, bottles, and other beverage containers while you’re driving. They are typically located in the center console or armrest area of the car, within easy reach of the driver and passengers. Cup holders provide a convenient and secure place to store drinks, reducing the risk of spills and allowing you to stay hydrated on long drives.


Car cup holders come in different sizes and designs, depending on the make and model of your vehicle. Some cup holders are narrow and shallow, while others are larger and deeper. The shape and depth of a cup holder will play a significant role in determining whether a Hydro Flask can fit comfortably.


In addition to size and shape, the material of the cup holder can also affect its compatibility with Hydro Flasks. Cup holders made of soft rubber or silicone material are generally more flexible and can stretch to accommodate various sizes of beverage containers. On the other hand, cup holders made of hard plastic or metal may have fixed dimensions, making them less adaptable to different sizes of bottles or cups.


It’s important to note that car cup holders are not only designed for holding cups and bottles. They can also be used to store other items such as cell phones, sunglasses, loose change, and small personal belongings. Some cup holders even have additional features like adjustable dividers or built-in power outlets.


Understanding the size, shape, and material of your car cup holder is crucial in determining whether it can accommodate your Hydro Flask. With this knowledge, you can find a cup holder that is compatible with your favorite beverage container, ensuring a hassle-free and enjoyable travel experience.


Hydro Flask Sizes

Hydro Flask offers a wide range of sizes to cater to different needs and preferences. Whether you’re looking for a compact bottle for everyday use or a larger tumbler for keeping your beverages cold or hot for extended periods, there’s a Hydro Flask size that suits your requirements.


Here are some of the popular Hydro Flask sizes:

  • 12 oz: The smallest size option, ideal for carrying a single beverage or as a kids’ water bottle.
  • 18 oz: Slightly larger than the 12 oz, this size is great for staying hydrated throughout the day.
  • 21 oz: A versatile size that can hold enough liquid for most of your activities, whether it’s a workout session or a day at the office.
  • 32 oz: Perfect for those who need a larger capacity, this size is great for long hikes or road trips.
  • 40 oz: Offering ample space, this size is ideal for keeping you hydrated during extended outdoor adventures.
  • 64 oz: The largest size option, suitable for sharing drinks or for those who require a substantial amount of liquid throughout the day.

It’s important to consider your personal hydration needs and the intended use of your Hydro Flask when choosing the right size. Smaller sizes are more portable and convenient, while larger sizes are better for long trips or sharing among multiple people.


Now that we understand the range of Hydro Flask sizes available, we can explore whether these bottles can fit in the various car cup holders found in different vehicles.


Factors to Consider for Car Cup Holder Compatibility

When evaluating the compatibility of Hydro Flasks with car cup holders, there are a few important factors to consider. These factors will help determine whether your Hydro Flask will fit securely and comfortably in your car’s cup holder:

  1. Size and Shape: The size and shape of both the cup holder and the Hydro Flask are essential. Measure the diameter and depth of your cup holder and compare it to the dimensions of your Hydro Flask. Ensure that the cup holder is wide enough to accommodate the base of your Hydro Flask, and the depth is sufficient to hold the entire bottle without tipping over.
  2. Material: As mentioned earlier, the material of the cup holder can impact compatibility. Soft and flexible materials like rubber or silicone cup holders have more give and can often adjust to fit different bottle sizes. Hard plastic or metal cup holders, on the other hand, may have fixed dimensions that are less adaptable.
  3. Adjustability: Some cup holders have adjustable elements such as moveable dividers or expandable sections. These features can enhance compatibility by allowing you to customize the size and fit of the cup holder to accommodate your Hydro Flask.
  4. Stability: A secure fit is crucial to prevent spills and accidents while driving. Ensure that your Hydro Flask fits snugly in the cup holder without wobbling or tipping over, even when going over bumps or making sharp turns.

It’s important to note that cup holder designs and sizes can vary between different car models and manufacturers. Therefore, it’s recommended to test your Hydro Flask in your specific car cup holder or consult the vehicle’s manual for cup holder dimensions before making a purchase.


Now that we understand the key factors to consider, let’s explore which Hydro Flasks are known to fit well in car cup holders.


Hydro Flasks that Fit in Car Cup Holders

While the compatibility of Hydro Flasks with car cup holders can vary depending on the specific cup holder design and Hydro Flask size, there are certain models that are known to fit well in most standard cup holders.


Here are some Hydro Flasks that are commonly reported to fit in car cup holders:

  • 12 oz Standard Mouth: The compact size of the 12 oz Standard Mouth Hydro Flask makes it an excellent fit for most car cup holders. Its narrower profile allows it to slide in easily and sit securely in the cup holder.
  • 20 oz Wide Mouth: The 20 oz Wide Mouth Hydro Flask is a popular choice for travel, and it typically fits well in many car cup holders. Its wider mouth makes it easier to drink from, and its size is still manageable for most cup holders.
  • 24 oz Standard Mouth: The 24 oz Standard Mouth Hydro Flask strikes a good balance between capacity and cup holder compatibility. While slightly larger than the 12 oz version, it can still fit in many car cup holders without issues.
  • 32 oz Wide Mouth: If you prefer a larger size for your beverages, the 32 oz Wide Mouth Hydro Flask may fit in some car cup holders, especially those designed to accommodate larger bottles or cups.

Remember, the compatibility of Hydro Flasks with car cup holders can vary depending on the specific cup holder design in your vehicle. It’s always a good idea to test the fit of your Hydro Flask in your car’s cup holder or consult the vehicle manual for cup holder dimensions.


If you find that your Hydro Flask doesn’t fit securely in your car cup holder, don’t fret. There are additional accessories available, such as cup holder adapters or adjustable base inserts, that can help create a better fit for your Hydro Flask.


By finding a compatible Hydro Flask size or using additional accessories, you can ensure that your favorite beverage is within arm’s reach while you’re on the road.



Selecting a car cup holder that can accommodate your Hydro Flask is essential for enjoying your favorite beverages while on the go. By considering factors such as size, shape, adjustability, material, and stability, you can determine the compatibility between your Hydro Flask and your car’s cup holder.


While car cup holders can vary in design and size, there are Hydro Flask models that are known to fit well in most standard cup holders. The 12 oz Standard Mouth, 20 oz Wide Mouth, 24 oz Standard Mouth, and 32 oz Wide Mouth are popular options with high chances of fitting comfortably in car cup holders.


If your Hydro Flask doesn’t fit perfectly in your cup holder, there are cup holder adapters and adjustable base inserts available to create a more secure fit. These accessories can help ensure that your Hydro Flask stays upright and prevents spills while you’re driving.


Remember to test the fit of your Hydro Flask in your car cup holder before hitting the road or consult your vehicle’s manual for cup holder dimensions. This will help you find the perfect combination and enjoy your favorite beverages while traveling.


So, the next time you embark on an adventure, make sure you have a compatible car cup holder for your Hydro Flask, ensuring hydration and convenience are within arm’s reach throughout your journey.