11 Things You’ll Find Around 8 Inches (With Images)

11 Things You’ll Find Around 8 Inches (With Images)

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Written by Scarlet Wright

June 3, 2025

To put it simply, 8 inches equals about 20.3 centimeters. It’s just over half a foot, making it a nice middle ground in the world of lengths. An 8-inch size is commonly found in various everyday objects — from standard bricks and books to kitchen tools and even sports equipment. Whether you’re involved in DIY projects or just curious, having a mental image of this length helps in quick estimations or when using makeshift rulers around the house.

11 Things You’ll Find Around 8 Inches (With Images)

1. Standard Ruler

Most standard rulers are 12 inches long, with the first 8 inches clearly marked for easy measurement. Rulers remain some of the most convenient measuring tools for exact measurements in classrooms, offices, and workshops. If you ever forget your tape measure, a ruler’s 8-inch segment is a perfect handy reference for many tasks.

2. Average Adult Male Hand

Average Adult Male Hand

The length of an adult male’s hand, from wrist to the tip of the middle finger, averages about 7.5 to 8 inches tall. This is a surprisingly reliable practical tool when you need to estimate sizes on the fly. Our own hands often act as natural measurement tools when no tape or ruler is around.

3. Standard Hardcover Book

Standard Hardcover Book

A medium-sized hardcover book often measures around 8 inches tall. This standard size fits comfortably on most bookshelves and is widely used by publishers. If you want a quick size reference in your living room or office, a hardcover book is an excellent common household item to compare.

4. Wireless Computer Mouse

Wireless Computer Mouse

Many wireless computer mice measure approximately 7.5 to 8 inches in length. This size provides an optimal size for comfortable handling while working or gaming. It’s a good example of how object sizes are standardized for ergonomic efficiency.

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5. Two Toilet Paper Rolls (Side by Side)

Two Toilet Paper Rolls (Side by Side)

Stacked side by side, two standard toilet paper rolls measure close to 8 inches across. Toilet paper rolls are surprisingly consistent in width, making them a useful quick reference for arbitrary measurement or compact size estimation when you’re in a pinch.

6. Paper Towel Roll (Width)

Paper Towel Roll (Width)

The width of a typical paper towel roll is around 8 to 8.5 inches. These everyday cylindrical containers offer a good visual cue of this common dimension, especially handy in kitchens or workshops for size comparisons.

7. Diameter of an A-25 Belt

Diameter of an A-25 Belt

In the realm of mechanical projects, the A-25 belt—a common size in many machines—has a diameter close to 8 inches. This measurement is important for anyone dealing with belt measurements or repairs, highlighting the practical side of standardized size in tools and equipment.

8. Three Soda Cans (Stacked Height)

Three Soda Cans (Stacked Height)

Stacking three regular 12-ounce soda cans vertically gives you a height just shy of 8 inches tall. This is a fun way to visualize inches in height using common household items. Since the design of the standard soda can has been consistent for decades, it’s a reliable size benchmark.

9. Small Hockey Stick Blade

Small Hockey Stick Blade

The blade of a small hockey stick often measures near 8 inches long. These 8-inch blades are crafted to provide a perfect balance of control and reach, proving how this typical size is thoughtfully applied in sports equipment design.

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10. Kitchen Knife (Blade Length)

Kitchen Knife (Blade Length)

Utility or chef’s knives frequently feature blades around 8 inches in length. This is considered a standard size for kitchen knives, providing a balance between cutting surface and maneuverability—an essential feature in food prep and cooking.

11. Mouse Pad

Mouse Pad

A typical mouse pad often measures close to 8 inches in width or length. This familiar object size helps maintain ergonomic comfort while working at a computer, another subtle but everyday use of the 8-inch size in everyday situations.

Final Thoughts

The 8-inch length is much more than a number—it’s a practical size you encounter daily. Whether it’s your own hand, a ruler segment, or the height of a few soda cans stacked, these practical applications of the 8-inch measurement show how integral it is in both everyday tasks and specialized uses. Keeping these helpful references in mind can make estimating sizes easier and quicker, especially when you’re working without traditional measurement tools. It’s a small detail, but once you notice it, 8 inches will suddenly feel like a very familiar length indeed. Turn your scroll into a lol—join SizeLoom.

About Scarlet Wright

Scarlet Wright is the Content Strategist at SizeLoom, where she turns everyday measurements into meaningful stories. With a sharp eye for detail and a background in UX writing, she makes sure every comparison clicks.

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