How Many Orbeez to Fill A Vase

Orbeez, those tiny, water-absorbent beads that come in various vibrant colors, can be a fun and decorative addition to your home. But have you ever wondered how many Orbeez to fill a vase? 

Well. Various factors influence the number of Orbeez required for a vase. Among these factors, the most crucial are vase size and shape, vase volume, and Orbeez size.

In the present blog, I will explore these factors and provide some tips to make your Orbeez vase-filling project successful. 

So, let’s dive in.

How Many Orbeez It Takes to Fill A Vase?

Your choice of vase can significantly affect the required amount of Orbeez. In this section, I’ll discuss how to find the required amount of Orbeez for your vase.

How Many Orbeez to Fill A Vase How Many Orbeez to Fill A Vase

Step 1: Account for Vase Shape

One of the primary factors to think about is the shape of the vase. Vases come in various shapes, each with its unique characteristics. 

Tall and narrow vases, such as cylinder vases, have a slender profile with a small surface area. These vases are ideal if you want to create a minimalist or elegant look. 

Since they have less surface area to cover, you’ll need fewer Orbeez to fill them adequately. It makes them a cost-effective choice if you’re on a budget.

On the other hand, short and wide vases, like bowl or fishbowl vases, have a broader surface area. 

These vases are perfect for creating lush and abundant Orbeez displays. However, due to their larger surface area, they require more Orbeez to achieve a full and opulent look.

Step 2: Measure the Vase

Before you can determine the number of Orbeez needed, it’s essential to measure your chosen vase accurately. Two critical measurements will help you calculate the Orbeez quantity: the vase’s diameter and its height.

The diameter of the vase tells you how wide the top of the vase is, which is crucial for estimating the surface area you need to cover with Orbeez.

The height of the vase, from the base to the top, is the second critical dimension. This measurement will help you determine how deep the Orbeez should fill the vase to achieve your desired aesthetic.

Once you have these measurements in hand, you’re ready to move on to the next step: calculating the volume of your vase.

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Step 3: Calculate the Vase Volume 

Once you have these measurements in hand, you’re ready to move on to the next step: calculating the volume of your vase.

The volume of the vase will give you an idea of the space that needs to be filled with these colorful water beads.

If you’re working with a cylindrical vase, such as a glass cylinder vase, use the formula for the volume of a cylinder: πr²h

‘r’ represents the radius of the vase’s opening, and ‘h’ represents the height of the vase. This formula will give you a good estimate of how many Orbeez you’ll need to fill it adequately.

If your vase has an irregular shape that doesn’t conform to the cylinder formula, you can use a simple method called the displacement method. Here’s how it works:

  • Fill your vase to the brim with water.
  • The volume of water you’ve poured out is equal to the volume of your vase.
  • Once you have the volume of your vase, you can use it to determine how many Orbeez you need to achieve your desired look.

Step 4: Consider Orbeez Size

Orbeez size can also significantly affect your creative endeavors. Orbeez come in different sizes, and choosing the right size is essential to achieve the desired look and feel of your decorative vase.

The most commonly available Orbeez are the standard-sized ones. These typically expand to approximately 1-2 milliliters each when fully hydrated. Standard-sized Orbeez are versatile and work well for filling vases.

In addition to standard-sized Orbeez, you can also find mini Orbeez. These are smaller in size, which means they require more of them to fill the same volume than standard Orbeez. 

Mini Orbeez can add a unique touch to your projects, mainly if you’re looking for a finer, more detailed texture. They can be used for more densely packed arrangements.

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Pro Tip

Add a few drops of scented oil to the water for a fragrant Orbeez vase

Example Calculation

Now that I’ve covered the essentials, let’s put it all into action with an example calculation. This practical example will demonstrate how to determine the exact quantity of Orbeez needed to fill a vase of specific dimensions.

Let’s say you have a vase that you’d like to fill with Orbeez to create a stunning centerpiece for a special occasion. Here are the measurements for your vase:

Diameter of the vase’s opening = 10 centimeters (cm)

Height of the vase = 20 centimeters (cm)

Vase Volume = π * (5 cm)² * 20 cm = 3.1416 * 25 cm² * 20 cm = 3.1416 * 500 cm 

Vase Volume = 1570.8 cm³

Now you know that the volume of your vase is approximately 1570.8 cubic centimeters (cm³). Next, we need to figure out how many standard Orbeez will fill this volume. We can calculate the Orbeez volume required by taking an average:

Orbeez Volume = (1 ml + 2 ml) / 2 = 1.5 ml per Orbeez

Now, divide the vase volume by the Orbeez volume to find the number of Orbeez needed:

Number of Orbeez = Vase Volume / Orbeez Volume = 1570.8 cm³ / 1.5 ml

Number of Orbeez = 1047.2 Orbeez

So, you would need approximately 1047 standard-sized Orbeez to fill your vase completely.

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How to Maintain Your Orbeez Vase?

Now that you know how many Orbeez to fill a vase, here are some maintenance tips to keep your vase in prime condition:

Regular Inspection

Frequently check your Orbeez vase for signs of wear or damage. Look for leaks, cracks, or any Orbeez that may have become discolored. Early detection of issues can prevent problems.

Prevent Spills

Keep your Orbeez vase away from areas where spills or accidental tipping are more likely to occur. It helps prevent Orbeez from scattering and causing a mess.

Temperature Control

Maintain a consistent room temperature. Extreme temperatures, whether hot or cold, can affect the stability and appearance of your Orbeez. Avoid placing your vase in direct sunlight, as this can lead to fading.


Periodically, remove the Orbeez from the vase and rinse them gently with clean, room-temperature water. It helps remove dust and debris that may accumulate over time. 

Child and Pet Safety

If you have children or pets, ensure they do not have access to the Orbeez vase. Orbeez can be tempting to touch or play with, but they are not meant to be ingested. Keep your Orbeez vase out of their reach to prevent accidents.

Avoid Sharp Objects

Please be careful of sharp objects or rough surfaces that may come in contact with your Orbeez vase. Orbeez can be delicate, and puncturing them can lead to leakage and a messy cleanup.

Regular Rotation

Gently rotate or stir the Orbeez in your vase from time to time. It prevents them from sticking together or forming clumps. It also helps maintain an even distribution of colors throughout the vase.


Orbeez can last a long time, but they are not permanent. Over time, they may start to shrink or lose their vibrant colors. If you notice a significant decrease in the appearance or texture of your Orbeez, it’s time to consider replacing them.

Pro Tip

Use a funnel when pouring Orbeez into your vase to minimize spills and mess.

Frequently Asked Questions About How Many Orbeez to Fill A Vase

Question No. 1: Can I reuse Orbeez after they’ve dried out?

Answer: Yes. You can rehydrate dried-out Orbeez by soaking them in water again. However, they may not return to their original size and texture. It’s often best to replace them if they’ve significantly shrunk or hardened.

Question No. 2: Can I mix different Orbeez colors and sizes in one vase?

Answer: Absolutely! Mixing colors and sizes can create visually stunning effects. Experiment with different combinations to achieve the look you desire. 

Question No. 3: What if my Orbeez vase gets dusty or dirty?

Answer: If your Orbeez vase collects dust or becomes dirty, you can gently rinse the Orbeez with clean, room-temperature water. Avoid using soap, as they can damage the Orbeez or affect their appearance.

Question No. 4: How can I prevent mold growth in my Orbeez vase?

Answer: Ensure your Orbeez vase is kept in a dry environment when not in use. Avoid leaving the vase in a damp or humid location for an extended period. 

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Final Word

Creating a colorful and textured Orbeez vase is a fun and easy DIY project that can enhance your home decor or special events.

The number of Orbeez you need to fill your vase depends on various factors, including the vase’s shape, size, and the size of the Orbeez themselves.

Remember to measure your vase accurately, calculate its volume, and consider the size of the Orbeez you want to use. With these calculations in hand, you can confidently estimate the number of Orbeez required for your project.

Also, feel free to experiment with different Orbeez colors and sizes to create unique and eye-catching arrangements. Let your creativity shine and enjoy the mesmerizing beauty of your Orbeez-filled vase.

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