20 Centimeters Long Examples – Surprising Items!

things that are 20 centimeters long

Welcome to our fascinating list of everyday and unique items that measure 20 centimeters in length. Whether you’re curious about things that are 20 centimeters long or need a visual reference for objects measuring 20 centimeters, this article has you covered! We will explore a variety of items that demonstrate the dimensions of 20 centimeters, offering an insightful perspective on this often overlooked measurement.

Key Takeaways:

  • Discover a range of everyday objects that measure 20 centimeters in length.
  • Visualize the size of 20 centimeters through relatable items.
  • Explore unique examples that showcase the dimensions of 20 centimeters.
  • Gain a better understanding of the size and scale of 20 centimeters.
  • Expand your knowledge of measurements through engaging examples.

1. Quarter

One notable item that measures approximately 20 centimeters is the US quarter coin. While the quarter itself doesn’t have a length of exactly 20 centimeters, its diameter provides an interesting comparison. The diameter of a US quarter is 0.96 inches, which is approximately three-fourths of the diameter needed to equal 20 centimeters. This gives us a visual reference for understanding the size of objects that measure 20 centimeters in length.

Now, let’s explore more items and dimensions in the following sections.

2. CD


When it comes to objects that measure 20 centimeters, CDs provide a perfect visual representation of this length. By stacking 10 CDs together, you can easily visualize a thickness of 2 centimeters. This demonstrates the dimensions and size that 20 centimeters entail.

CDs offer a convenient reference point for understanding the measurements of various items. Whether you’re trying to grasp the size of a specific object or you simply want to visualize 20 centimeters, CDs serve as a practical example.

3. Thumbtack pins

Another everyday item that can help us visualize 20 centimeters in size is thumbtack pins. By placing three thumbtack pins end to end, we can measure approximately 2 centimeters.

Thumbtack pins are commonly used to hold papers and decorations on bulletin boards or walls. With their small size and sharp point, they are easily recognizable and readily accessible.

These pins are typically about 2.5 centimeters long, making them a useful tool to understand the length of 20 centimeters. With three thumbtack pins placed together, we can grasp the tangible size and visualize the measurements accurately.

Benefits of Thumbtack Pins:

  • Convenient for organizing papers and notes
  • Easy to use and remove from surfaces
  • Compact and lightweight
  • Durable and long-lasting

With their versatility and accessibility, thumbtack pins are not only functional but also serve as a helpful reference when visualizing the length of 20 centimeters.

Thumbtack pins are a simple yet effective tool that can provide a visual representation of 20 centimeters in size. Whether you’re using them for organization or decoration, these pins offer a practical way to understand the measurements accurately.

4. Peas

20 cm measurement

Did you know that even the humble pea can help us understand the measurement of 20 centimeters? By taking five peas and placing them side by side, we can gain a relatable understanding of this length. Interestingly, the width of 2.5 peas placed next to each other will be equal to 2 centimeters.

This visual representation allows us to conceptualize the size of 20 centimeters in a tangible way. The everyday nature of peas makes them an accessible and relatable reference point for this measurement.

ItemNumber of PeasWidth (cm)
1 pea1 pea0.4 cm
2 peas2 peas0.8 cm
3 peas3 peas1.2 cm
4 peas4 peas1.6 cm
5 peas5 peas2 cm

As the table above shows, the number of peas directly correlates with the width in centimeters. This simple yet effective measurement method is a testament to the versatility of everyday objects and their ability to provide relatable references for various lengths.

5. Golf Ball

When it comes to visualizing a length of 20 centimeters, one surprising item that can help us grasp the size is a golf ball. By considering half the diameter of a golf ball, approximately 1.68 inches, we can get a sense of the length it represents. This value equates to approximately 7 inches, which is close to 20 centimeters.

If you’re familiar with golf balls, you know that they’re small, compact, and easily manageable objects. These characteristics make them ideal for understanding the size of other 20cm objects or items measuring 20 centimeters in length.

As you can see from the image above, a golf ball can serve as a helpful visual reference when trying to grasp the dimensions of a 20cm object. Its small size, combined with its common availability, makes it relatable.

Comparing the golf ball to other objects:

Golf Ball (half the diameter)Approximately 7 inches
CD (thickness)0.2 inches
Thumbtack Pins (three pins)0.8 inches
Peas (width of 2.5 peas)0.8 inches

As seen in the table, while a golf ball alone does not measure the full 20 centimeters, it can be used as a reliable point of reference when comparing its size to other objects that measure an equivalent length.

6. No. 2 Pencils

One of the most common writing instruments, No. 2 pencils, can help visualize the length of 20 centimeters. As you may know, No. 2 pencils are widely used in schools and offices for various writing tasks.

Try stacking three No. 2 pencils either side by side or on top of each other. You will notice that their combined length is approximately 2 centimeters, which is 10% of the total length we are visualizing. This demonstration provides a tangible reference for understanding the dimensions of objects that measure 20 centimeters.

No. 2 PencilsQuantityLength (cm)
No. 2 Pencils16.9 cm
No. 2 Pencils213.8 cm
No. 2 Pencils320.7 cm

7. Aspirin Tablets

aspirin tablets

If you’re looking for a familiar object that measures 20 centimeters in size, consider aspirin tablets. While these tiny medicated pills may seem small, taking 1.5 tablets with a diameter of about 1.4 centimeters will equal a length of 2 centimeters. So, next time you take your daily dose of aspirin, remember that three of these tablets lined up end to end will give you a visual representation of the 20cm length.

Aspirin tablets are commonly used for their pain-relieving and anti-inflammatory properties. They come in various shapes and sizes but maintain an average diameter of 1.4 centimeters. This makes them a suitable example to showcase the 20 centimeters measurement in a compact and relatable form.

“Aspirin tablets may be small, but when measured together, they help illustrate the size of 20 centimeters.”

So, the next time you need to visualize the length of something that measures 20 centimeters, think about the humble aspirin tablet. Combine and align 1.5 tablets, and you’ll have an excellent reference point for understanding the size and dimensions of 20 centimeters.

“Just 1.5 aspirin tablets measuring approximately 1.4 centimeters each can represent a length of 20 centimeters.”

8. AAA Batteries

20 cm length items

When it comes to items measuring 20 centimeters, AAA batteries may not be the first thing that comes to mind. However, an interesting visual comparison can be made with these common household power sources. By placing two AAA batteries side by side, you can create a length of 2 centimeters, providing a tangible demonstration of the size.

Seeing two AAA batteries in this context helps put 20 centimeters into perspective. It’s amazing how everyday objects can serve as useful reference points for understanding measurements. Now let’s move on to another fascinating example in the next section.

9. Staples

Staples are one of the most commonly used office supplies, found in almost every home and workplace. Surprisingly, three 23/6 staples, when combined together, create a length of 18 millimeters. Though slightly short of the 20 centimeter mark, this measurement is close enough to help visualize the size and dimensions of objects that are 20 centimeters long.

Staples are versatile, affordable, and sturdy, making them an essential tool for binding papers together. They provide a practical solution for keeping documents organized and secure. Next time you reach for a staple, take a moment to imagine three of them forming a length of 18 millimeters, just a hair away from 20 millimeters or 2 centimeters.

10. 100-Page Notepad

When thinking about objects that measure 20 centimeters in length, one might overlook the humble notepad. However, a 100-page notepad provides a tangible example of the measurement. On average, the thickness of a 100-page notepad is around 2 centimeters, making it a practical and relatable item for visualizing the length.

A 100-page notepad serves as a tangible example of the 20 cm measurement.

Whether it’s for jotting down notes, doodling, or keeping a journal, a notepad is a versatile tool found in schools, offices, and homes worldwide. The compact nature of a 100-page notepad, with its 2-centimeter thickness, makes it easy to carry and store while still providing ample space for creative expression or essential information.

In addition to its practicality, a 100-page notepad’s 20 cm measurement is a useful reminder of the importance of writing, whether it’s capturing memories, organizing thoughts, or simply leaving a tangible mark of one’s ideas. So, the next time you come across a notepad, take a moment to appreciate its dimensions and the possibilities it holds for creativity and self-expression.

ObjectMeasurement (Length)
100-Page Notepad20 centimeters (average thickness)

11. Skittles

Skittles, the popular colorful candies, can also serve as a visual representation of 20 centimeters. By taking one and a half Skittles, each measuring about 1.27 centimeters, you can demonstrate a length that is close to 2 centimeters. It’s a fun and delicious way to understand the size of objects in everyday life.

Length of SkittleNumber of SkittlesTotal Length
1.27 centimeters1.51.9 centimeters


The examples provided in this article showcase a wide range of everyday and unique items that measure 20 centimeters in length. These objects serve as visual references, helping us better understand the size and dimensions of things that are 20 centimeters long. From quarters and CDs to thumbtack pins and golf balls, these items offer relatable measurements that paint a clear picture of 20 centimeters.

Whether it’s visualizing the thickness of a 100-page notepad or the width of peas, these examples allow us to grasp the concept of 20 centimeters in a tangible way. The diverse array of objects demonstrates the versatility and commonality of this specific measurement, emphasizing its significance in our daily lives.

Next time you come across an object that measures 20 centimeters long, you can refer back to this article and recall the various items that share the same dimensions. By understanding the size of 20 centimeters, you’ll have a better appreciation for the scale and scope of things that can be measured in this specific length.


What are some examples of things that are 20 centimeters long?

Here are some surprising items that measure 20 centimeters in length:

Can you provide examples of 20cm objects?

Certainly! Here are a few objects that have a length of 20 centimeters:

What are some items that measure 20 centimeters?

Here are different items that have a length of 20 centimeters:

Could you give me an idea of the size of 20 centimeters?

Sure! Here are some relatable measurements to help understand the length of 20 centimeters:

Source Links


Baron Cooke has been writing and editing for 7 years. He grew up with an aptitude for geometry, statistics, and dimensions. He has a BA in construction management and also has studied civil infrastructure, engineering, and measurements. He is the head writer of measuringknowhow.com

Leave a Reply

Your email address will not be published. Required fields are marked *