13 Common Things That Are 18 Inches Long

Are you curious about the things that are 18 inches long? Ever wondered what everyday items measure up to 18 inches? You might be surprised to learn that many common objects fall into this size category.

From household items to sports equipment, 18-inch-long things are all around us.

Let’s explore these objects and how this length compares to other measurements.

How Long is 18 Inches Visually?

Visually estimating 18 inches can be a bit tricky if you don’t have a ruler handy, but it helps to think about everyday objects that match this length.

For example, imagine a footlong sub sandwich, but add another half sandwich on top of that. Or picture nine business cards laid end to end—it’s a surprisingly long stretch when you think about it.

An easy way to gauge this length is also to think of two standard rulers placed side by side, as 18 inches equals one and a half rulers.

By using these common items as visual guides, you can better understand what 18 inches looks like in your daily life.

Everyday Common Objects That Are 18 Inches Long

You might be amazed at how many items in your daily life measure up to 18 inches. Let’s explore some common objects and learn interesting facts about each.

Item	Actual Measurement
🃏 Nine Business Cards	18 inches
⛳ Eight Golf Balls	18 inches
💳 Five ATM Cards	18 inches
💵 Eight US Dollar Notes	18 inches
🖍️ Five Standard Crayons	17.5 inches
✏️ Three Standard Pencils	18 inches
🥪 Two Subway Sandwiches	18 inches
📏 One and a Half Rulers	18 inches
📱 Six Smartphones	18 inches
💿 Three DVD Cases	16.77 inches
⚾ Two Youth Baseball Bats	18 inches
✉️ Four Standard Envelopes	18 inches
🍕 One Large Pizza	18 inches

1. Nine Business Cards

Business cards are small but mighty tools in the professional world. Lined up end-to-end, nine standard business cards stretch to about 18 inches.

These pocket-sized networking essentials typically measure 3.5 inches in width and 2 inches in height.

Despite their small size, business cards pack a punch in making lasting impressions. They’ve been around for centuries, evolving from visiting cards in 17th-century Europe to the modern designs we see today.

In our digital age, physical business cards still hold value. They offer a tangible reminder of a connection and can showcase creativity in design.

2. Eight Golf Balls

Golf, a sport of precision and patience, uses small but significant balls. Place eight golf balls in a straight line, and you have 18 inches of golfing goodness.

Per official golf rules, each golf ball measures about 1.68 inches in diameter. These dimpled spheres are marvels of engineering.

Designed to travel incredible distances when struck correctly. The dimples on a golf ball – usually between 300 and 500 – help it fly farther by reducing air resistance.

Golf balls have come a long way since their early days. The first golf balls were made of wood, then stuffed leather, before evolving into the high-tech versions we use today.

3. Five ATM Cards

ATM cards, our trusty companions for quick cash access, have a standard length of about 3.37 inches. Line up five plastic money-getters, and you’ll hit the 18-inch mark.

These rectangular pieces of plastic are more than just cards; they’re gateways to our finances. ATM cards have revolutionized banking since their introduction in the 1960s.

They’ve made midnight cash runs and quick balance checks possible, changing how we interact with money.

Despite the rise of mobile payments and digital wallets, ATM cards remain a crucial part of our financial toolkit.

They blend security and convenience perfectly, fitting snugly in our wallets until needed.

4. Eight US Dollar Notes

Eight US dollar bills laid end-to-end will give you 18 inches of cold, hard cash.

A US dollar bill measures 6.14 inches in length and 2.61 inches in width. These green rectangles carry more than monetary value; they contain symbols and hidden features.

From the all-seeing eye to micro printing, each bill is a miniature work of art and security.

US currency has a rich history, with designs changing to incorporate new security features. The

next time you’re counting your cash, remember that eight of these bills would stretch to 18 inches – a fun fact to share at your next trivia night!

READ : 11 Common Things That are 10 Inches Big (+Pics)

5. Five Standard Crayons

Crayons, those colorful sticks of childhood joy, also measure up to our 18-inch standard when you line up five of them.

Each standard crayon is about 3.5 inches long, perfect for little hands to grasp and create masterpieces.

Crayons have been colouring our world since the late 19th century. They’ve evolved from simple wax and pigment mixtures to the varied and vibrant tools we know today.

From classic colours like “Macaroni and Cheese” to more unusual shades like “Mango Tango,” crayons continue to spark creativity in children and adults alike.

These waxy wonders are more than just art supplies. They’re often used in various crafts, from candle making to fabric dyeing.

6. Three Standard Pencils

Pencils, the unsung heroes of the writing world, also play a part in our 18-inch exploration. Three standard pencils laid end-to-end will give you approximately 18 inches of graphite goodness.

A typical pencil measures about 7.5 inches in length before sharpening. These simple writing tools have a fascinating history dating back to ancient Rome, where lead was used to make marks on papyrus. Today’s pencils use graphite, a much safer alternative.

Pencils come in various grades, from the soft and dark 9B to the hard and light 9H. The most common pencil, the HB or #2, strikes a balance between darkness and hardness, making it perfect for everyday writing and standardized tests.

Whether sketching, writing, or just doodling, remember that your pencil is part of an 18-inch trio. It’s a testament to how something so simple can be a powerful tool for expression and creativity.

7. Two Subway Sandwiches

Hungry for more 18-inch facts? Look no further than your local Subway restaurant. Two of their footlong sandwiches laid end-to-end will give you 18 inches of deliciousness.

Subway’s footlong sandwiches have become iconic in the fast-food world. Each sandwich measures 12 inches or one foot long, hence “footlong.”

These sandwiches offer a customizable meal experience, with customers choosing their bread, meats, vegetables, and sauces.

The footlong sandwich concept has revolutionized how we think about submarine sandwiches. It’s a perfect example of how food portions can be standardized and marketed effectively.

8. One and a Half Rulers

It might seem obvious, but it’s worth mentioning that one-and-a-half standard rulers equal 18 inches. This comparison serves as a great visual aid for understanding this length.

Rulers have been essential tools for measurement for centuries. The modern 12-inch ruler, a foot ruler, is a staple in classrooms and offices worldwide.

It’s not just a tool for measuring length; rulers often include useful information like metric conversions or mathematical formulas.

Interestingly, the concept of standardized measurements hasn’t always been universal. Different cultures and periods have used various systems, from body parts to arbitrary royal decrees.

Today’s standardized rulers result from global efforts to create consistent measurement systems.

9. Six Smartphones

Smartphones have become ubiquitous in our digital age. Interestingly, six average smartphones lined up would measure approximately 18 inches.

The typical smartphone measures about 3 inches in width, though this can vary slightly between models.

These pocket-sized computers have revolutionized how we communicate, work, and entertain ourselves.

From the first iPhone released in 2007 to today’s advanced models, smartphones have undergone significant evolution in a relatively short time.

Despite their small size, smartphones pack an incredible amount of technology. They contain processors that are more powerful than those used in early space missions, high-resolution cameras, and various sensors.

READ : 10 Everyday Items That Measure 8 Inches

10. Three DVD Cases

DVD cases, the plastic guardians of our movie collections, also fit into our 18-inch theme. Three standard DVD cases placed side by side will measure about 18 inches.

A typical DVD case is approximately 5.59 inches wide. These cases have been protecting our favourite films and TV shows since the late 1990s.

When DVDs began to replace VHS tapes. Their design has remained largely unchanged, a testament to their functionality and durability.

While streaming services have reduced the prominence of physical media, many people still cherish their DVD collections.

These cases represent more than storage; they connect to our favorite stories and characters.

11. Two Baseball Bats

Baseball, America’s pastime, contributes to our 18-inch exploration too. Two regulation youth baseball bats laid end-to-end will measure approximately 18 inches.

A youth baseball bat typically measures 26 to 32 inches in length. These bats are carefully designed to help young players develop their skills, and weight and length restrictions ensure fair play and player safety.

Baseball bats have come a long way since the sport’s early days. From simple wooden clubs to high-tech aluminium and composite materials.

Bat technology has evolved to help players hit farther and more accurately. Next time you’re at a Little League game, consider how those bats measure up!

12. Four Standard Envelopes

Envelopes, those paper messengers of important documents and heartfelt letters, also play a part in our 18-inch story. Four standard business envelopes lined up will give you about 18 inches.

A typical business envelope measures 4.125 inches in height and 9.5 inches in width. These seemingly simple paper folders have a rich history dating back to ancient civilizations.

The modern envelope, however, came into widespread use in the 19th century with the growth of postal services.

Despite the rise of email and digital communication, envelopes still play a crucial role in our lives. They carry everything from bills to wedding invitations, adding a touch of formality and personal connection that digital messages can’t quite replicate.

13. One Large Pizza

Let’s talk about everyone’s favourite circular meal – pizza! A large pizza typically measures 18 inches in diameter, making it a perfect fit for our list.

An 18-inch pizza is more than just a delicious dinner option; it’s a marvel of geometry. With a diameter of 18 inches.

This pizza has a circumference of about 56.5 inches and an area of roughly 254 square inches. That’s a lot of cheesy goodness!

Pizza has a long and delicious history, evolving from simple flatbreads in ancient civilizations to the varied and beloved food we know today.

The 18-inch size is popular for parties and gatherings, offering plenty of slices to go around.

18 Inches Compared to Human Height

When compared to a human, 18 inches may not seem like much, but it’s nearly a quarter of the average adult’s height.

For reference, an average person stands around 5 feet 7 inches (67 inches) tall, so 18 inches makes up about 27% of that height.

Imagine holding an object that’s 18 inches long—like a large pizza—against your body, and you’ll see that it covers a good portion of your torso.