10 Common things that are 4 Inches long. How long is 4 inches as compared to an object?

10 Common things that are 4 Inches long

Measuring a length of 4 inches can be challenging without a proper measuring tool. However, there are various everyday objects that can serve as rough estimates to gauge this length visually.

In this article, we have gathered a list of ten common items that are approximately 4 inches long. This way, you can use these objects as makeshift measuring instruments when you find yourself without a proper measuring tool.

Without further delay, let’s explore these objects and their potential for measurement.

4 inches is precisely equal to 10.16 centimeters and 101 millimeters.

10 Common things that are 4 Inches long

Here is a list of 10 such items that are approximately 4 inches long and can be handy when you need a rough measurement and don’t have a dedicated measuring tool at hand.

1. Hand Width

Human Hand Size

One method that I consistently find convenient and personally adaptable is using your own hand for measurements. There’s something satisfying about physically gauging dimensions.

For instance, if you need to measure something that is approximately 4 inches long, you can employ your hand width as a reference.

It’s important to note that hand sizes vary among individuals, but an average hand width is around 4 inches. Therefore, using your hand width as a makeshift measuring tool can provide a reasonably accurate estimate. This technique allows for quick measurements without the need for specialized equipment.

2. Toilet Paper Roll

Toilet Paper Roll

Toilet paper rolls are an incredibly ubiquitous item found in virtually every household. Interestingly, the average width of a standard toilet paper roll is approximately 4 inches, making it another practical measuring tool when you don’t have access to conventional measuring instruments.

It’s worth noting that the specific dimensions of toilet paper rolls may vary slightly among different companies and manufacturers. However, in the majority of cases, you can rely on their widths being close to 4 inches.

Next time you find yourself without a ruler or tape measure, consider utilizing the width of a toilet paper roll as a makeshift alternative. This simple yet effective method can assist you in estimating lengths and sizes conveniently within the comfort of your own home.

3. 2 Golf Tees

Man Holding Golf Tee which is holding Golf ball

If you’re a fan of golf, you’re likely familiar with the essential equipment called a golf tee. A golf tee is a small stand that serves the purpose of supporting and elevating a stationary golf ball. The average length of a typical golf tee is approximately 2 inches.

If you take two golf tees and align them side by side, their combined length will amount to 4 inches. Consequently, this makes them a handy makeshift measuring tool when you come across objects that are roughly 4 inches long.

So, the next time you find yourself in need of a quick measurement and lack a conventional measuring device, grab a pair of golf tees. By utilizing their collective length, you can make reasonably accurate estimations for objects spanning approximately 4 inches.

4. Standard Playing Card

Standard Playing Cards

Playing cards come in various types and sizes, but let’s focus on the standard playing card commonly used in games such as Poker, Hearts, Solitaire, GoFish, and Bridge. The standard playing card has a consistent size of approximately 2.5 inches in width and 3.5 inches in height.

Interestingly, the height of a standard playing card, measuring 3.5 inches, provides a useful approximation for objects that are around 4 inches long.

By considering the height of the card as a general guideline, you can utilize it as a makeshift measuring tool when you find yourself in need of a quick measurement and lack a dedicated measuring device.

5. 4 Paper Clips

Collection of Paper Clips

Paper clips, undoubtedly one of the most ubiquitous household and stationary items, can be found in nearly every home. These simple tools typically have a length of around 1 inch each.

So if you gather four paper clips together, their combined length adds up to approximately 4 inches. Consequently, they can serve as a practical and readily available measuring tool for objects that are roughly 4 inches long.

6. Half a Standard Brick

Standard Brick

Bricks are commonly used building materials with varying sizes depending on the company and manufacturer. However, in America, the standard brick size is typically around 8 inches in length.

Notably, by taking half of a standard brick, which measures approximately 4 inches, we can utilize it as a makeshift measuring tool for objects of similar length.

7. 4 Quarters

3 US Quarters

The US Quarter Dollar coin, a familiar currency denomination, possesses an exact length of 0.955 inches, which can be approximated as 1 inch. By aligning four US Quarters horizontally, we can obtain a combined length of approximately 3.82 inches, coming very close to the 4-inch mark, with a difference of only 0.18 inches.

Although we can overlook this small variance of 0.18 inches, it’s important to note that our aim is to gain a general understanding of objects measuring 4 inches in length.

8. Two Debit Cards

Debit Card

Debit cards and credit cards are universally recognized financial tools that adhere to a standard size worldwide. Typically, these cards have dimensions of 3.375 inches in width and 2.125 inches in length.

By considering the height of two credit or debit cards, we arrive at a combined length of 4.25 inches. Although this exceeds our target of precisely 4 inches, we can still utilize this length as a practical measuring tool by disregarding the additional 0.25 inches.

9. Men’s Wallet

Men's Leather Wallet

Men’s wallets, commonly used for carrying essentials such as identification, cash, and cards, come in a variety of sizes and styles determined by different brands and companies. On average, a men’s wallet tends to have a width of 3.5 inches and a height of 4.25 inches.

An interesting feature of men’s wallets is that their height closely approximates the target length of 4 inches. Although it exceeds the precise measurement by 0.25 inches, this additional length can be disregarded for the purpose of general estimation.

By considering the height of a men’s wallet as a 4-inch benchmark, we can effectively utilize it as a practical measuring tool, providing a significant indication of a 4-inch length.

10. Baseball BallWhite Baseball Ball on Baseball Pitch

Baseball, a renowned sport in America, continues to captivate audiences and enjoys widespread participation. While its popularity has faced competition from the NFL overtime, baseball remains one of the most played and watched sports in the United States today. The baseball ball itself is precisely sized, with a diameter ranging from 2.86 to 2.94 inches, which can be conveniently rounded to 3 inches.

When you add the length of the distal phalanx, which is the first part of the index finger, to the baseball’s diameter, it amounts to a total length of 4 inches. The distal phalanx of the index finger measures approximately 1 inch long and can serve as a practical measuring tool in various situations.


In this article, we have introduced you to 10 diverse and commonly found household items that can be employed as makeshift measuring tools for objects measuring approximately 4 inches in length. Our aim is to enhance your visual skills and enable you to estimate measurements using just your naked eye.

We have provided a range of objects, from everyday items like paper clips, playing cards, and golf tees to more recognizable items like baseballs and men’s wallets. By utilizing these objects as reference points, you can develop your ability to visually gauge dimensions without relying on precise measuring instruments.

We hope you have enjoyed this measuring adventure with us. We invite you to stay tuned for more articles in which we will explore different dimensions and present a variety of items to further sharpen your visual skills and expand your knowledge of measurement techniques. Happy measuring to all!

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