12 Common Things That Are 20 Inches Long

The measurement of 20 inches is a unit of length that often appears in daily life, whether you’re measuring furniture, electronics, or personal items. But how long is 20 inches, really? To grasp its significance, we need to explore its context in various measurement systems, practical applications, and relatable comparisons. This article delves into the concept of 20 inches, offering a detailed examination of its equivalents, uses, and real-world examples. By the end, you’ll have a clear understanding of this measurement and its relevance in everyday scenarios.

An inch is a unit of length primarily used in the imperial system, common in the United States and a few other countries. One inch equals 2.54 centimeters, making 20 inches approximately 50.8 centimeters. This length is significant because it falls into a practical range for many household items, tools, and products, making it relatable and frequently encountered. Whether you’re buying a TV, measuring a piece of luggage, or sizing up a pet, 20 inches often pops up as a standard or approximate dimension.

What is 20 Inches in Different Measurement Systems?

To understand 20 inches, it’s helpful to convert it into other units of measurement for a broader perspective. The inch is part of the imperial system, but many countries use the metric system, so conversions are essential for global understanding.

• Centimeters: 20 inches × 2.54 cm/inch = 50.8 centimeters.
• Meters: 50.8 cm ÷ 100 = 0.508 meters.
• Feet: 20 inches ÷ 12 inches/foot = 1.67 feet (or roughly 1 foot and 8 inches).
• Yards: 20 inches ÷ 36 inches/yard = 0.556 yards.
• Millimeters: 50.8 cm × 10 = 508 millimeters.
• Kilometers: 0.508 meters ÷ 1000 = 0.000508 kilometers.

These conversions help contextualize 20 inches in different systems. For example, 50.8 centimeters is about half a meter, a length that’s easy to visualize as roughly the width of a small desk or the height of a medium-sized dog.

Conversion of 20 Inches to Other Units

This table provides a quick reference for converting 20 inches into other common units, useful for international readers or those working in fields like engineering or design.

Visualizing 20 Inches

Visualizing 20 inches can be challenging without a reference point. To put it in perspective, 20 inches is roughly the length of two standard rulers placed end to end (since a typical ruler is 12 inches long). It’s also about the height of a stack of 20 standard DVD cases or the width of a medium-sized computer monitor. These comparisons help anchor the measurement in everyday life.

Another way to visualize 20 inches is to think about human proportions. For instance, 20 inches is approximately the length from an average adult’s elbow to their wrist, making it a relatable bodily reference. In terms of household spaces, 20 inches could be the depth of a standard kitchen countertop or the width of a small bookshelf.

Practical Applications of 20 Inches

The length of 20 inches is practical for many purposes because it’s neither too small nor excessively large. In various industries and settings, this measurement appears frequently:

• Electronics: Many computer monitors and TVs are measured diagonally, with 20 inches being a common size for compact screens.
• Furniture: Items like side tables, ottomans, or chair seats often have dimensions around 20 inches.
• Luggage: Carry-on bags for air travel often have a maximum length or width of about 20 inches to meet airline restrictions.
• Sports Equipment: Certain tools, like baseball bats or golf clubs, may have components or total lengths close to 20 inches.
• Pet Products: Crates or beds for small to medium-sized pets often measure around 20 inches in length or width.

Understanding these applications helps highlight why 20 inches is a relevant measurement in daily life. It’s a size that balances functionality with portability, making it ideal for many products.

12 Everyday Items That Are 20 Inches Long

Below, we explore 12 common items that are approximately 20 inches long. Each section provides a detailed description to help you understand the item’s dimensions, uses, and context, ensuring a comprehensive look at how 20 inches manifests in everyday objects.

1. A 20-Inch Computer Monitor

A 20-inch computer monitor, measured diagonally across the screen, is a popular size for home offices and small workspaces. The diagonal measurement refers to the viewable screen area, not the entire monitor, so the physical width or height may vary slightly depending on the bezel and stand. A typical 20-inch monitor has a width of about 17-18 inches and a height of 10-12 inches, but the diagonal length from corner to corner is precisely 20 inches.

These monitors are favored for their balance of screen real estate and desk space efficiency. They’re suitable for tasks like browsing, document editing, or casual gaming, offering enough resolution (often 1600×900 or 1920×1080) without overwhelming smaller desks. In offices, schools, or home setups, a 20-inch monitor provides clear visuals without the bulk of larger screens, making it ideal for budget-conscious consumers or those with limited space.

The monitor’s 20-inch length can be visualized as slightly longer than a standard piece of printer paper (11 inches long) placed diagonally. Its compact size makes it easy to transport or fit into tight spaces, such as dorm rooms or small apartments. Brands like Dell, HP, and Acer often produce monitors in this size range, catering to students, professionals, and casual users alike.

2. A Standard Carry-On Suitcase

A standard carry-on suitcase often has a length of about 20 inches, excluding wheels and handles, to comply with airline restrictions. Most airlines, such as American Airlines or Delta, set a maximum carry-on size of 22 x 14 x 9 inches, including handles and wheels, so a 20-inch-long suitcase (measured from base to top) fits within these limits when packed efficiently.

These suitcases are designed for short trips, holding enough clothes and essentials for a weekend getaway or a 2-3 day business trip. A typical 20-inch carry-on has a capacity of about 30-40 liters, depending on its width and depth. Brands like Samsonite, Travelpro, and Delsey offer models in this size, often with features like spinner wheels, telescopic handles, and internal compartments for organization.

The 20-inch length refers to the height of the suitcase when standing upright. Visualizing this, it’s about the height of a toddler or the length of two stacked shoeboxes. This makes it easy to stow in overhead compartments or under airplane seats. For travelers, the 20-inch suitcase is a practical choice because it balances capacity with portability, avoiding the need to check luggage while still holding essentials like a laptop, toiletries, and a few outfits.

3. A Small Pet Crate

A small pet crate, designed for dogs or cats weighing up to 20-30 pounds, often measures around 20 inches in length. These crates are used for training, travel, or providing a safe space for pets like Chihuahuas, Pomeranians, or small terriers. The 20-inch length refers to the floor space from the front door to the back wall, with width and height typically around 12-15 inches.

Pet crates of this size are popular for house training puppies or transporting pets in cars or planes. For example, a 20-inch crate fits comfortably in the backseat of most sedans or as a carry-on for pet-friendly airlines (though always check specific airline pet policies). Brands like MidWest Homes for Pets or Petmate produce crates in this size, often with features like removable trays for easy cleaning, foldable designs for storage, and secure latches.

4. A Standard Kitchen Cutting Board

A standard kitchen cutting board often measures around 20 inches in length, making it a versatile tool for food preparation. These boards are typically 12-15 inches wide, providing ample space for chopping vegetables, slicing meat, or rolling out dough. Materials like wood (maple, walnut) or plastic (polyethylene) are common, with bamboo gaining popularity for its sustainability.

A 20-inch cutting board is ideal for home cooks because it fits comfortably on most kitchen countertops, which are typically 24-25 inches deep. It’s long enough to handle large items like a whole chicken or a loaf of bread but not so large that it dominates counter space. For example, preparing a family-sized meal, such as a roast or a large salad, is easier with a 20-inch board than a smaller 12-inch one.

5. A Compact Umbrella

A compact umbrella, when closed, often measures around 20 inches in length, making it a convenient item for daily carry. These umbrellas are designed to fold into a portable size that fits in a backpack, purse, or car door pocket. When opened, they expand to a canopy diameter of 35-40 inches, providing adequate coverage for one person.

The 20-inch length refers to the umbrella when fully collapsed, from the tip to the handle. This makes it easy to carry during commutes or travel, especially in unpredictable weather. Brands like Totes, Repel, or Samsonite offer models in this size, often with automatic open/close mechanisms, wind-resistant frames, and water-repellent fabrics.

To visualize, a 20-inch umbrella is about the length of a standard loaf of bread or slightly longer than a laptop. Its compact design ensures it’s not cumbersome, yet it’s functional for shielding against rain or sun. The weight is typically 0.5-1 pound, making it easy to hold or stow.

These umbrellas are popular for urban dwellers or travelers who need a reliable, portable option. Some models include a carrying case or strap, adding to their convenience. The 20-inch length strikes a balance between portability and coverage, making it a staple in many households.

6. A Standard Yoga Mat (Rolled)

When rolled up, a standard yoga mat often measures around 20 inches in length. Yoga mats typically range from 68-72 inches long when unrolled, but when tightly rolled, their length compresses to about 20-24 inches, depending on thickness (3-6 mm) and material (PVC, TPE, or rubber).

This 20-inch length makes rolled yoga mats easy to carry to classes, gyms, or outdoor sessions. They often come with a strap or bag for portability, fitting comfortably under the arm or in a gym bag. Brands like Lululemon, Gaiam, or Manduka produce mats that roll to this size, with weights ranging from 2-5 pounds based on material and thickness.

7. A Child’s Bicycle (Frame Length)

The frame of a child’s bicycle, designed for kids aged 4-6, often measures around 20 inches in length from the front fork to the rear axle. These bikes typically have 14-16 inch wheels and are sized for young riders learning to balance and pedal. Brands like Schwinn, Huffy, or Joystar produce bikes in this range.

The 20-inch frame length ensures the bike is manageable for small children, with a low center of gravity for stability. The total bike length (including wheels) is longer, around 40-50 inches, but the frame itself is the core structural component. This size is ideal for kids with a height of 3.5-4.5 feet, offering a comfortable reach to the handlebars and pedals.

8. A Portable Folding Table

A portable folding table, often used for camping or small gatherings, may have a length or width of about 20 inches when unfolded. These tables are designed for easy storage and transport, folding in half to a compact size (often 20 x 10 inches). Brands like Lifetime or Coleman produce models in this range.

The 20-inch dimension typically refers to the table’s width or depth, with the length being longer (e.g., 40-48 inches). This size is ideal for small spaces, such as balconies, patios, or car trunks, providing enough surface area for meals, games, or work. The table’s height is usually 20-25 inches, suitable for sitting on low chairs or stools.

Visualizing the size, a 20-inch-wide table is about the length of a standard briefcase or two dinner plates side by side. It weighs 5-10 pounds, depending on materials (plastic, aluminum), making it easy to carry. Features like foldable legs or carrying handles enhance portability.

9. A Medium-Sized Picture Frame

A medium-sized picture frame often measures around 20 inches in length, typically for displaying photos, artwork, or posters. This size refers to the longer dimension (width or height), with common frame sizes like 16 x 20 inches or 20 x 24 inches. Brands like IKEA, Framebridge, or Michaels offer frames in this range.

A 20-inch frame is ideal for showcasing family portraits, landscape photos, or small posters, fitting well on walls in living rooms, offices, or hallways. The actual image size is slightly smaller (e.g., 18 x 14 inches for a 20 x 16 frame) due to the mat or border. The frame’s thickness varies (0.5-2 inches), affecting its weight (2-5 pounds).

10. A Standard Laptop Bag

A standard laptop bag designed for 13-15 inch laptops often measures around 20 inches in length when fully extended. This dimension includes the main compartment and handles, accommodating laptops, chargers, and accessories. Brands like Targus, Samsonite, or Herschel produce bags in this size.

The 20-inch length refers to the bag’s longest dimension (usually width), with height around 12-15 inches and depth 3-5 inches. This size fits most 15-inch laptops (diagonally measured), which are about 14-15 inches wide. The bag’s capacity is typically 15-20 liters, suitable for daily commutes or short trips.

11. A Small Guitar (Body Length)

The body of a small guitar, such as a parlor or travel guitar, often measures around 20 inches in length from the bridge to the top of the body. These guitars are designed for portability, with a total length (including neck) of 30-36 inches. Brands like Martin, Yamaha, or Fender produce models in this range.

The 20-inch body length makes these guitars ideal for beginners, kids, or travelers who need a compact instrument. The smaller size doesn’t significantly compromise sound quality, offering a warm tone suitable for fingerpicking or casual play. The guitar’s width is typically 12-14 inches, and it weighs 3-5 pounds.

12. A Standard Skateboard Deck

A standard skateboard deck often measures around 20 inches in length, particularly for mini or youth models designed for younger riders or tricks. The total deck length is usually 28-32 inches, but the usable deck (excluding the curved nose and tail) is closer to 20 inches. Brands like Element, Plan B, or Santa Cruz offer decks in this range.

The 20-inch deck length provides enough surface for balance and tricks while remaining compact for portability. The deck’s width is typically 7-8 inches, and it weighs 2-3 pounds. Materials like maple wood ensure durability, with grip tape adding traction for riders.

Comparing 20 Inches to Other Common Lengths

To further contextualize 20 inches, let’s compare it to other common lengths:

• A Standard Ruler: 12 inches (20 inches is 1.67 rulers).
• A Piece of Printer Paper: 11 inches long (20 inches is about two sheets end to end).
• A Standard Door: 80 inches tall (20 inches is one-fourth the height).
• A Basketball Hoop: 10 feet (120 inches) high (20 inches is one-sixth the height).

Comparison of 20 Inches to Common Objects

This table helps visualize 20 inches relative to familiar objects, making it easier to estimate the length without a measuring tool.

Uses in Different Fields

The 20-inch measurement appears in various industries, each leveraging its practicality:

• Interior Design: Designers use 20-inch measurements for items like throw pillows, ottomans, or side tables, ensuring they fit small spaces.
• Technology: 20-inch screens are common for budget monitors or portable displays, balancing cost and functionality.
• Travel: Luggage and pet carriers around 20 inches meet airline size restrictions, enhancing portability.
• Sports: Equipment like youth baseball bats or golf club shafts may measure around 20 inches for specific components.

Historical Context of the Inch

The inch has historical roots in the imperial system, derived from the Roman “uncia” (one-twelfth of a foot). Standardized in the 1950s, the inch was defined as exactly 2.54 centimeters to align with the metric system. The 20-inch measurement, therefore, carries this historical significance, representing a practical length that has persisted in modern applications.

Challenges in Measuring 20 Inches

Measuring 20 inches accurately requires a reliable tool, such as a tape measure or ruler. Challenges include:

• Human Error: Misreading a tape measure or aligning it improperly can lead to inaccuracies.
• Object Variations: Some items labeled as 20 inches may vary slightly due to manufacturing tolerances.
• Contextual Differences: Diagonal measurements (e.g., screens) versus straight lengths (e.g., tables) can confuse comparisons.

Using a digital measuring tool or double-checking with a standard ruler can mitigate these issues.

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Conclusion

The length of 20 inches is a versatile and practical measurement that appears in countless everyday items, from computer monitors to skateboards. By understanding its conversions (50.8 cm, 1.67 feet), visualizing it through comparisons (two rulers, a toddler’s height), and exploring its applications in various fields, we gain a deeper appreciation for its significance. The 12 everyday items detailed above—each approximately 20 inches long—illustrate how this measurement integrates into daily life, balancing functionality with convenience.

Whether you’re measuring a suitcase for travel, selecting a monitor for work, or choosing a pet crate, 20 inches is a relatable and functional length. The tables provided offer quick references for conversions and comparisons, making it easier to contextualize this measurement. Next time you encounter a 20-inch object, you’ll have a clear sense of its size and utility in the world around you.