17 Common Things That Are Exactly 20 Inches Long
So you want to know how long is 20 inches? Here’s the quick answer.20 inches equals 1 foot 8 inches. That’s about 50.8 centimeters.It’s longer than a laptop screen. It’s shorter than a yardstick.Once you picture it next to real things you use every day, the size sticks in your head fast.That’s exactly what this guide does for you.
What Does 20 Inches Mean in Simple Terms?
Numbers on their own are hard to picture. Your brain remembers objects much better than digits.So think of 20 inches as something a little longer than two rulers placed end to end.It’s bigger than a standard shoe box. It’s smaller than most coffee tables.If you already know how big 17 inches or 18 inches feels, 20 inches is just a small step up from that.You get more room, more length, and a bit more comfort in whatever you’re measuring.
20 Inches Compared to Other Measurements
Let’s put this measurement side by side with the units you already know.
| Unit | Value |
| Feet | 1.67 feet |
| Centimeters | 50.8 cm |
| Millimeters | 508 mm |
| Yards | 0.56 yards |
This size shows up a lot in furniture, luggage, and home tools.
Designers like it because it feels roomy but never bulky.
17 Common Objects That Are About 20 Inches Long
Here’s the full list before we break each one down.
- Carry on suitcase height
- Large car windshield wiper
- Office chair seat depth
- Wall mounted floating shelf
- Computer monitor width (22 inch class)
- Bathroom bath mat width
- Extra large pizza box side
- Folding laptop table width
- Kitchen drawer width
- Compact cat scratching post height
- Storage cube bin side
- Compact guitar amplifier width
- TV soundbar length
- Front doormat width
- Nightstand height
- Rectangular serving tray length
- Extra large cutting board length
Now let’s go through each one.
1. Carry On Suitcase Height
Many hard shell carry on bags are sold as 20 inch luggage, measured by height, not width.This size fits most airline overhead bins without a fight at the gate.If you’ve used a smaller 15 inch bag before, this extra room feels like a real upgrade.
2. Large Car Windshield Wiper
SUVs and bigger sedans often use a 20 inch wiper blade on the driver’s side.That extra length clears more glass in fewer swipes during heavy rain.Compare that to a 16 inch wiper and the difference is easy to notice on your next drive.
3. Office Chair Seat Depth
A comfy office chair usually has a seat depth close to 20 inches.That gives your thighs proper support instead of a cramped, tight feeling.Shorter seats can leave your knees hanging awkwardly by the end of a long workday.
4. Wall Mounted Floating Shelf
Floating shelves in this range give you enough space for books, plants, or photo frames.A shelf closer to 14 inches feels a bit small once you start decorating.Twenty inches hits a nice middle ground between style and actual storage use.
5. Computer Monitor Width (22 Inch Class)
A monitor labeled 22 inches (measured diagonally) usually has a screen width close to 20 inches.That’s clearly roomier than older 17 inch monitors many of us grew up using.It’s a solid width for work, movies, or a bit of gaming after hours.
6. Bathroom Bath Mat Width
Most bath mats sold in stores measure close to 20 inches wide.That width covers enough floor space right where your feet land after a shower.Smaller mats leave your toes stepping onto cold tile, which nobody enjoys.
7. Extra Large Pizza Box Side
An extra large pizza box often measures close to 20 inches on one side.That extra room keeps a big pizza from getting squished during delivery.A regular sized box closer to 16 inches simply can’t hold the same pie comfortably.
Also Read This:11 Common Things That Are Exactly 22 Inches Long
8. Folding Laptop Table Width
Portable laptop tables in this size range give you room for your laptop plus a notebook.
Smaller folding tables can feel tight the moment you add a coffee mug beside your screen.Twenty inches gives your workspace a little breathing room.
9. Kitchen Drawer Width
Many standard kitchen drawers measure somewhere around 20 inches wide.That’s enough space for utensils, gadgets, and small tools without constant shuffling.Narrow drawers force you to stack items, which gets messy fast.
10. Compact Cat Scratching Post Height
Smaller scratching posts made for kittens or tight spaces often stand about 20 inches tall.That’s shorter than the full stretch posts many adult cats prefer, which usually run 28 inches or more.So if your cat loves a big stretch, this compact size works best as a second post, not the only one.
11. Storage Cube Bin Side
Large storage cube organizers often have sides close to 20 inches.That gives you room for blankets, toys, or off season clothes.They’re a favorite for closets and playrooms because they hold a lot without taking over the room.
12. Compact Guitar Amplifier Width
Practice amps built for home use are sometimes close to 20 inches wide.That size still delivers solid sound without needing a whole corner of your room.It’s a smart pick for beginners who don’t want a stage sized amp at home.
13. TV Soundbar Length
Soundbars made for smaller TVs often measure around 20 inches long.That length fits neatly under compact televisions in bedrooms or apartments.It still gives a noticeably better sound than your TV’s built in speakers.
14. Front Doormat Width
Standard doormats placed outside your front door are frequently close to 20 inches wide.That’s enough space to wipe both feet before stepping inside.Narrower mats often leave one foot landing straight on the floor.
15. Nightstand Height
Many nightstands stand somewhere close to 20 inches tall.That height lines up nicely with the top of most mattresses.It keeps your lamp, phone, and glass of water within easy reach at night.
16. Rectangular Serving Tray Length
Serving trays used for drinks or snacks are often built close to 20 inches long.That gives enough room for glasses, snacks, and napkins without things sliding off.A smaller tray closer to 16 inches feels crowded the moment you add more than two cups.
17. Extra Large Cutting Board Length
Bigger cutting boards made for meal prep often stretch close to 20 inches long.That extra length gives you room to chop vegetables without pieces falling off the edge.Home cooks who prep in bulk usually reach for this larger size over a small board.
How Tall Is 20 Inches?
Picture something standing about knee height on most adults.That’s roughly where 20 inches lands when placed upright.Think of a low stool, a small side table, or a large storage bin sitting on the floor.It’s tall enough to notice, but still low enough to step over easily.
How Can You Measure 20 Inches Without a Ruler?
No tape measure handy? No problem.
Here are a few everyday items close to this length you can use instead.
- A carry on suitcase turned upright
- A bath mat laid flat
- Two laptop keyboards placed end to end
- A nightstand from floor to top
These simple comparisons get you a close estimate in seconds.
Why Knowing Everyday Measurements Actually Helps
This isn’t just trivia for fun.Knowing common sizes helps you shop smarter and avoid returns.It also saves you time when you’re organizing a room or picking furniture that actually fits.A little measurement knowledge goes a long way when your tape measure is nowhere in sight.
Conclusion
Now you know exactly how long is 20 inches without needing a tape measure in hand.Every object on this list gives you a real picture to hold onto.
Next time you’re shopping, organizing, or just curious, this size won’t feel like a mystery anymore.Simple comparisons like these make measuring one less thing to worry about.
