8 Common Things That are 7 Centimeters Long | Measuringly (2024)

Kevin Jones

A calculator or a measuring tool will tell you that 7 centimeters is 0.23 feet or 2.76 inches.

That’s true. But not satisfactory as it’s nothing but a mathematical theory that won’t help you estimate the distance.

The easiest way to understand how long 7 centimeters is to compare it with something. It’s easy because it requires no measuring tools: only you and your practical and visual skills.

And to make it even easier for you, this post explores 8 everyday objects and how you can use them to estimate lengths of 7 centimeters.

Let’s get in!

Table of contents

1. Half a Bic pen

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BIC is an inexpensive ballpoint pen that has been on the market for 72 years. Produced in Hauts-de-Seine, France, by Société Bic of Clichy, BIC pens are available worldwide, and almost everyone has used or seen one as they’re popular among schoolers.

You might have used a BIC pen, but have you ever bothered to know how long it is? Well, all BIC ballpoint pens are 14.9 centimeters long with the cap. That means to visualize how long 7 centimeters is, you imagine cutting one into two.

Alternatively, you can reference cutting the pen into two with the cap removed, as it measures 13.94 centimeters. Of course, there’s a difference, but it’s so slight.

See also 9 Things That are Approximately 4 Centimeters Long (With Visuals)

2. Three US quarters

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Formerly known as the quarter dollar, the US quarter dollar is a coin worth 25 cents or a quarter dollar, as it implies.

Quarters are popular in the US as they’re the only acceptable coins in coin-operated machines such as candy machines, airport trolleys, dryers, and parking meters.

If you are stacking a few, you can add another use to them; as reference objects.

According to the United States Mint, one quarter has a diameter of 2.43 centimeters, so lining up three in a row will add up to 7.29 centimeters, roughly the same distance we’re estimating.

3. Mini tart pan

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A mini tart pan is a shallow, oblong or round tart pan with either fluted or smooth sides. It’s a smaller sibling of the tart pan. Mini tart pans are used to make tarts, sweet or savory dishes with a bottom crust, for individuals or two since they’re small.

Most mini tart pans in many homes have a standard width of 7.62 centimeters. That’s slightly longer than our mark, but it gives you a better estimate.

Alternatively, since these pans are 2.54 centimeters high, you can visualize three on top of each other to realize that distance.

4. US dollar bills

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Something you can use to reference lengths could be lying in your wallet; a US dollar note.

Almost everyone has used or at least seen a US dollar bill, as they are popular, even outside the US. And if you’ve paid attention, all US dollar notes measure the same, as the government sliced the original ones in a bid to lower manufacturing costs in 1929. Since then, these bills have been 15.6 centimeters long and 6.6 centimeters wide.

See also How Long is 50 Mm? 19 Common Comparisons (+Pics)

Visualizing the width of one note gives you a better idea of how long 7 centimeters is. In fact, when you round off the figure, you get a perfect estimate.

5. Wiffle ball

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Wiffle ball is used in a miniature version of a baseball game, Wiffle Ball, and is played in confined spaces, indoors or outdoors. The sport has gained popularity since its inception, and there’s even a World Wiffle Ball Championship!

According to the game regulations, the diameter of a whiffle ball should be 7.2 centimeters, which is 7 centimeters when you round off the figure. Even if you reference wiffle balls people use to play the sport for recreational purposes, you’d not be wide off the mark as they’re only millimeters longer than the standard ones.

6. Tennis ball

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Tennis is a worldwide sport that involves two or four players striking a ball with rackets over a stretched net across the middle of the battleground.

Since it’s a worldwide sport, chances you’ve interacted with the ball, either playing or giving it to the player after it has gone off the court in high school, are high.

Either way, if you were keen enough, you must have noticed all tennis balls are almost of the same size, as, according to the International Tennis Federation (ITF), the diameter of a tennis ball must range from 6.54 – 6.86 centimeters for better control. If you’ve seen one, you only need your visual skills to understand how long 7 centimeters is, as that range is similar to the mark.

7. Cricket ball

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As you already know, a cricket ball is used for playing cricket, a world-popular sport with over 2.5 billion fans. The sport is popular in many high schools worldwide, as it helps players develop several physical skills.

See also How Far is 500 Meters Visually? (Examples Included)

The size of cricket balls varies depending on the game level, i.e: men’s cricket, women’s cricket, and junior cricket for kids under 13 years.

That said, all cricket balls have a standardized diameter that ranges from 7.1-7.3 centimeters, so you can use any to understand how long 7 centimeters is.

8. Pickleball

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A pickleball is a ball used in playing the Pickleball game, an outdoor or indoor sport that involves two players or a team of four players who strike the ball with a racket. It’s similar to tennis, only that it’s played on a smaller court which is the main distinguishing difference.

Pickleball is not as popular as tennis, but you can use the balls for reference if you’ve seen them.

Like many balls, the size of pickleball varies. However, according to the official USA Pickleball Association (USAPA) rulebook, they’re all within the 7.3-7.5 centimeters range, which is just shy of the distance we’re trying to measure.

8 Common Things That are 7 Centimeters Long | Measuringly (2024)

FAQs

What is 7 cm long? ›

2.7559 in

What are 10 things measured in centimeters? ›

And,10 things that can be measured in centimeters are:
  • Length of hair.
  • Length of pencil.
  • Length of tools.
  • Length of chalk.
  • Length of eraser.
  • Length of sharpner.
  • Length of pen.
  • Length of color pencils.
May 15, 2022

What objects are a centimeter long? ›

A centimeter (cm) is about:
  • about as long as a staple.
  • the width of a highlighter.
  • the diameter of a belly button.
  • the width of 5 CD's stacked on top of each other.
  • the thickness of a notepad.
  • the radius (half the diameter) of a US penny.

What are the 7 units of length? ›

The metric system includes kilometer, hectometer, decameter, meter, decimeter, centimeter, and millimeter. There is a relationship between these units.

What fruit is 7 cm long? ›

Common food items that can be used to show tumor size in cm include: a pea (1 cm), a peanut (2 cm), a grape (3 cm), a walnut (4 cm), a lime (5 cm or 2 inches), an egg (6 cm), a peach (7 cm), and a grapefruit (10 cm or 4 inches).

What size is 7cm? ›

07 centimeter in Inches is 2.7559 Inches. Centimeter: The centimeter (international spelling) or centimeter (American spelling) (SI designation cm) is a unit of length in the International System of Units (SI), equal to one hundredth of a meter, and cent is the SI prefix for the coefficient 1 /100.

What are 5 things you can measure? ›

Here's a list of units of measurements we use to measure various things:
  • Length or Height.
  • Weight.
  • Volume.
  • Time.
  • Money.
  • Temperature.

How big is 10 cm object? ›

4 inches

What are the objects of a centimeter? ›

A ruler, examples of a centimeter (think of a thumbtack, a pencil sharpener and a dice) and objects larger than one centimeter (think of a ball, a book and a computer mouse).

What is an example of a centimeter? ›

A centimeter is a fairly small unit of measurement for length. For example, a cheerio (the piece of cereal) is about 1 cm wide in diameter.

What is an example of a cm object? ›

Centimeter: A centimeter is a unit of length measurement that is equal to one hundredth of a meter. Measuring Length: Centimeters are commonly used to measure the length of objects, such as the length of a piece of cloth, the height of a person, or the width of a piece of paper.

What are the 7 measurements? ›

The seven base units were chosen for historical reasons, and were, by convention, regarded as dimensionally independent: the metre, the kilogram, the second, the ampere, the kelvin, the mole, and the candela.

What are the 7 base units of measurement? ›

In other words, the reference quantities in the present SI are the definitions of the base units: the second, meter, kilogram, ampere, kelvin, mole, and candela. Table I. Table 1. Present SI base quantities, base units, and definitions.

What does 7cm look like in inches? ›

Therefore, 7 centimeters is approximately 2.76 inches.

How long is size 7 in cm? ›

Women's Shoe Size Chart
USEUFOOT LENGTH (approximate)
737-389.25 in / 23.5 cm
7.5389.375 in / 23.8 cm
838-399.5 in / 24 cm
8.5399.75 in / 24.6 cm
7 more rows

What does 7mm look like on a ruler? ›

On many rulers, inches will be noted on one side of the ruler, and mm will be noted directly opposite the inches, running along the opposite side of the ruler, so the 7mm mark should be opposite the 1/4 or 5/16 inch mark.

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