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How many ice cubes can I put in a thermos cup?

Nov 27, 2025

Hey there! As a supplier of thermos cups, I often get asked a pretty interesting question: "How many ice cubes can I put in a thermos cup?" It might seem like a simple query, but there are actually quite a few factors that come into play. Let's dive right in and explore this topic together.

First off, we need to understand that the number of ice cubes a thermos cup can hold depends mainly on two things: the size of the thermos cup and the size of the ice cubes. Thermos cups come in all sorts of sizes, from small ones that you can easily carry around in your pocket to large ones that can hold enough liquid for a whole day's outing.

Let's start with the size of the thermos cup. We have a wide range of products, like the RevoMax Twist-free Vacuum Insulated Food Jar. This bad boy is designed to keep your food or drinks hot or cold for hours. It has a decent capacity, and if you're using standard-sized ice cubes, you could probably fit around 20 - 25 in there. The reason it can hold that many is because it has a relatively large internal volume.

Then there's the Insulation Cup Stainless Steel Threadless Cooling Cup. This one is a bit more on the compact side. It's great for when you're on the go and just need a small amount of chilled beverage. With its smaller size, you might only be able to fit about 10 - 15 standard ice cubes. But don't let its size fool you; it still does an amazing job of keeping things cold.

And of course, we can't forget about the Vacuum-Insulated Beverage Bottle. This is a classic choice for many people. It has a medium-sized capacity, and you could probably pack around 15 - 20 ice cubes in it. It's perfect for a day at work or a short trip.

Now, let's talk about the size of the ice cubes. Ice cubes come in different shapes and sizes. You've got the standard cube-shaped ones that you usually get from your ice tray at home. These are pretty easy to work with and are a good benchmark for our calculations. But there are also larger, rectangular-shaped ice cubes that some fancy ice makers produce. These bigger ice cubes take up more space, so you'll be able to fit fewer of them in the thermos cup. For example, if you're using those large rectangular ice cubes in the RevoMax Twist-free Vacuum Insulated Food Jar, you might only be able to fit 10 - 15 instead of the 20 - 25 standard cubes.

On the other hand, there are smaller, crushed ice cubes. These can fill up the empty spaces in the thermos cup more efficiently, so you can actually fit more of them. In the Insulation Cup Stainless Steel Threadless Cooling Cup, you could probably fit 15 - 20 crushed ice cubes compared to the 10 - 15 standard ones.

Another thing to consider is how you're using the ice cubes. If you're just using them to chill a drink and you're going to add the drink later, you can pack the ice cubes in more tightly. But if you're planning to fill the thermos cup with a liquid first and then add the ice cubes, you'll need to leave some room for the liquid. So, you might not be able to fit as many ice cubes as you would if you were just filling it with ice.

Vacuum-Insulated Beverage Bottle2

Let's say you're going on a picnic. You want to keep your lemonade cold in the Vacuum-Insulated Beverage Bottle. You'll probably want to fill about half of the bottle with ice cubes first and then pour in the lemonade. This way, you'll have enough ice to keep the drink cold without overfilling the bottle.

Now, you might be wondering if packing more ice cubes always means your drink will stay colder for longer. Well, it's not that simple. While having more ice does provide more cooling power, there's a limit. Once the ice starts melting, it takes up space and can actually reduce the insulation properties of the thermos cup. So, it's a bit of a balancing act. You want to have enough ice to keep your drink cold, but not so much that it causes problems when it melts.

In general, a good rule of thumb is to fill about one-third to one-half of the thermos cup with ice cubes, depending on how long you need the drink to stay cold and how much liquid you're going to add.

As a thermos cup supplier, I know that choosing the right thermos cup and using it effectively is important. Whether you're an individual looking for a great way to keep your drinks cold or a business interested in bulk purchasing, we've got you covered. Our thermos cups are made with high-quality materials and advanced insulation technology to ensure that they perform at their best.

If you're interested in our products or have any questions about how many ice cubes you can put in our thermos cups, feel free to reach out. We're always happy to help you find the perfect thermos cup for your needs and guide you on the best way to use it.

References:

  • General knowledge about thermos cup insulation and ice cube usage.
  • Product specifications of RevoMax Twist-free Vacuum Insulated Food Jar, Insulation Cup Stainless Steel Threadless Cooling Cup, and Vacuum-Insulated Beverage Bottle.
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