When you think about 20 inches, it can be difficult to visualize this length. Whether you’re working on a home improvement project, shopping for furniture, or just curious about sizing, understanding 20 inch can be incredibly helpful.
20 inch is equal to 50.8 centimeters and is just about 1 foot 8 inches long. This measurement is frequently used for furniture, electronics, tools, and sports equipment. In this blog, we’ll explore 20 common things that are approximately 20 inches long, helping you visualize this size for your everyday needs.
Key Takeaways
- 20 inch = 50.8 cm, slightly over a foot and a half in length.
- Items like guitar necks, large pizzas, bikes, and small tables are often 20 inch in length.
- You can estimate 20 inch using simple visual tricks like smartphones, credit cards, or books.
- Knowing 20 inch helps in DIY projects, home improvement, shopping, and organization.
What Does 20 inches Really Mean?
When you visualize 20 inch, it’s about the length of 1 foot 8 inches — just over one and a half feet. This size is long enough to make a noticeable difference in many household products, but still compact enough to be portable for things like laptops and tools.
20 inch equals 50.8 centimeters, and it’s a common measurement used in furniture, sports equipment, and home improvement projects. It’s not too large for small household tools but big enough for everyday objects like pizza sizes and bedding.
This measurement plays an important role in determining space usage and layout for many objects.
20 Things That Are 20 inches Long

Here are 20 common things that are approximately 20 inch long, providing practical visual references for this size.
1. Guitar Neck (Electric/Acoustic)
The neck of a guitar is a great reference for 20 inch. The distance from the headstock to the body of an electric or acoustic guitar is often 20 inch in length. For musicians, this is an essential measurement.
2. Large Pizza

A large pizza is often about 20 inch in diameter, a common size for many pizza chains. Whether you’re ordering for a family or hosting a gathering, a 20-inch pizza is the right size for feeding a group.
3. Standard Bike Wheel
The diameter of a bicycle wheel is commonly 20 inch for smaller bikes, especially those for kids or for compact folding bicycles. This makes it a simple reference when you measure a bicycle tire and compare sizes.
4. Laptop Screen (Medium to Large Size)
Many laptops with medium to large screens often measure around 20 inch diagonally. This size provides ample screen space for work, media consumption, and gaming.
5. Small Pedestal Table
A small pedestal table, used for decor or as a side table, often measures about 20 inch in diameter. This size is perfect for fitting into small spaces while providing a functional surface.
6. Steering Wheel (Compact Size)

The diameter of a compact steering wheel in some cars measures about 20 inch. This is a good visual reference for automotive enthusiasts or anyone looking to upgrade their vehicle’s controls.
7. Handheld Vacuum Cleaner
Some handheld vacuum cleaners, particularly the larger models designed for quick, portable cleaning, measure around 20 inch long. This size is compact enough to store easily but large enough for serious cleaning.
8. Carry-On Suitcase
A small carry-on suitcase is often around 20 inch tall, making it easy to carry and store in the overhead compartments of airplanes. It’s a handy reference for travelers.
9. Tall Decorative Vase
A tall decorative vase used in home decor typically measures around 20 inch tall. This size works well for placing floral arrangements or accenting empty corners in a room.
10. Standard Golf Club Length
The length of a standard golf club, especially for mid-range clubs, is often around 20 inch. This is particularly useful for beginner golfers looking to understand club measurements.
11. Medium Rolling Pin

A medium rolling pin for baking, especially those used for dough rolling, is usually 20 inch long. This size provides enough length for most baking and pastry tasks.
12. Yardstick
A yardstick measures 36 inches in length, but half of that length, 18 inches, doubled gives a reference point of 20 inch in use.
13. Desk Lamp (Adjustable Arm)
The adjustable arm of many desk lamps extends to about 20 inch, providing ample light and flexibility while reading, studying, or working.
14. Small Trolley/Cart

A small shopping cart or trolley, commonly found in stores or used as a portable storage unit, often measures about 20 inch long. This is a practical reference for organizing space.
15. Skateboard Deck
Many skateboard decks are approximately 20 inch in length, making them a great reference for sports equipment and recreation.
16. Small Basketball Hoop

The diameter of a small basketball hoop, often found in recreational playsets, measures 20 inch. This size is commonly used in indoor mini basketball games for kids.
17. Window Blinds (Vertical)
The vertical slats of window blinds in many households measure 20 inch long, especially for windows in kitchens or small bathrooms.
18. Decorative Throw Pillow
A standard decorative throw pillow often measures 20 inch on each side. These are frequently used for accentuating sofas, beds, or chairs.
19. Large Stuffed Animal
A large stuffed animal, like a bear or bunny, often measures about 20 inch in height, making it a perfect cuddly reference for estimating the size of common plush toys.
20. Toy Train Set
Many toy train sets for young children include pieces that measure about 20 inch long. This size is great for creating play areas and organizing pieces for kids.
How to Estimate 20 inches Without a Ruler
If you don’t have a ruler, there are several easy ways to estimate 20 inch:
Your Arm Span: Many people’s arm span (from fingertip to fingertip) measures around 20 inch, so this is a reliable reference for quick measurements.
Books and Notebooks: A standard paperback book often measures 20 inch tall when stacked.
Bananas: Two medium-sized bananas, stacked end to end, will give you about 20 inch in length. This makes for a convenient estimation when you’re in the kitchen.
Why Knowing 20 inches is Useful
Understanding 20 inch is practical for a variety of tasks:
DIY & Home Improvement: Whether you’re cutting materials, measuring wall spaces, or fitting new furniture, knowing 20 inch helps you plan accurately, especially for do-it-yourself (DIY) projects around the home.
Shopping: Whether purchasing tech gadgets, furniture, or bedding, understanding 20 inch helps you visualize if the item will fit your space.
Packing: When traveling or moving, knowing how much space 20 inch takes up in luggage or storage boxes makes packing more efficient.
Home Decor: Knowing common measurements like 20 inch is essential when decorating, helping you make better choices for furniture and accessories.
Frequently Asked Questions
1. How long is 20 inches in centimeters?
20 inch is equal to 50.8 centimeters.
2. Can you estimate 20 inches without a ruler?
Yes! You can use your arm span, bananas, or books to estimate 20 inch.
3. What are some other things that are 20 inches long?
Other items include guitar necks, basketball hoops, pizza diameters, and pet carriers.
4. Why is 20 inches important in DIY projects?
In construction and furniture design, 20 inch is a common measurement for the spacing transform and fitting various parts together.
Visualize 20 inches With Confidence in Everyday Life
Understanding 20 inches is more useful than you might think. From basketball hoops and guitar necks to pizza sizes and desk lamps, this measurement shows up in many areas of life.
Whether you’re shopping, working on a DIY project, or organizing your home, knowing 20 inch will help you make more informed decisions. Now, with these practical examples in mind, you’ll always have a clear visual reference for 20 inches!





