You need to picture 20 cm and suddenly realize you have no idea what that looks like without a ruler in your hand. It sounds like a number with nowhere to land.
20 centimeters equals exactly 200 mm or 7.87 inches — just under 8 inches, roughly the length of a large dinner fork. It’s longer than a smartphone, shorter than a school ruler, and hiding in your kitchen, living room, and bag right now.
20 Centimeters in Different Units
| 📏 Unit | 📐 Converted Value |
|---|---|
| Centimeters | 20 cm |
| Millimeters | 200 mm |
| Inches | 7.87 in |
| Feet | 0.66 ft |
| Meters | 0.20 m |
How Big Is 20 cm Exactly?
20 cm is 200 mm, 0.20 meters, or 7.87 inches — a practical mid-range length that shows up constantly across kitchen tools, electronics, food, stationery, and personal care items. It’s one of the most universally common sizes in everyday products.
The fastest mental shortcut: the short side of an A4 sheet of paper is 21 cm — picture that, shave off a small sliver, and you’re looking at exactly 20 centimeters.
20 cm at a Glance
A few quick comparisons before the full breakdown:
- About the length of a standard dinner fork from handle to tine tip.
- Similar to the blade length of a chef’s knife.
- Close to the width of a small tablet screen.
- About the height of a large banana from stem to tip.
- Similar to the length of a standard TV remote control.
- Close to the length of a new, unsharpened wooden pencil.
Things That Are Exactly 20 cm Long
Standard Dinner Fork
A standard dinner fork measures between 19 and 20 cm from the tip of the tines to the end of the handle. That length is intentional — long enough to give reach on a plate without hitting the table, short enough to balance comfortably in an adult hand.
It’s one of the most used-daily, never-measured 20 cm objects sitting in your kitchen drawer right now.
Chef’s Knife Blade
A 20 cm chef’s knife blade is the most popular size in professional and home kitchens worldwide. That blade length handles everything from slicing onions to breaking down a whole chicken — versatile enough for most tasks, short enough for precise control.
Pick up the main knife in your kitchen block. If it’s the go-to knife, its blade is almost certainly 20 cm long.
Large Banana
A large grocery store banana measures approximately 18 to 22 cm from stem to tip, with the average landing right at 20 cm. That slight curve makes it look longer than it measures straight — but laid flat end to end, most large bananas are sitting exactly at this length.
It’s the most direct answer to “what food is 20 cm long?” — and it’s on kitchen counters and in lunch bags everywhere.
TV Remote Control
A standard full-size television remote measures between 18 and 22 cm in length, with most models landing right at 20 cm. That dimension allows all buttons to fit without crowding while keeping the remote comfortable in one hand during long viewing sessions.
The remote on your coffee table that you pick up without thinking is almost certainly a 20 cm object you handle every day.
Unsharpened Wooden Pencil
A brand new, unsharpened No. 2 pencil with eraser measures approximately 19 cm in length — just a millimeter shy of 20 cm. Once you factor in the metal ferrule and full eraser, a fresh pencil hits the 20 cm mark exactly.
Pick up any new, unused pencil from a box. That full length from eraser tip to sharpened point is 20 cm in your hand.
A4 Paper Short Side
An A4 sheet of paper measures exactly 21 cm across the short side. That means 20 cm is simply one centimeter less than the width of the most common paper format used in offices and classrooms globally.
Hold an A4 sheet by its short side and cover roughly one centimeter with your thumb. That exposed width is 20 cm — a paper-based reference anyone can access instantly.
Small Tablet Screen Height
The height of a compact tablet — like the iPad Mini in portrait mode — measures approximately 19.9 to 20.3 cm from edge to edge. This screen height gives enough vertical space for reading and browsing while keeping the device genuinely one-handed portable.
Hold a mini tablet vertically and that full height from top edge to bottom edge is 20 cm in your grip.
Hair Brush
A standard paddle or oval hair brush measures approximately 20 cm from the base of the handle to the top of the bristle pad. That length positions the hand at the right distance from the head for controlled brushing strokes without straining the wrist.
Every bathroom in every home likely has one. That brush you use without thought is a 20 cm daily tool.
Decorative Pillar Candle
A standard decorative pillar candle — the cylindrical kind used on dining tables, mantels, and event centerpieces — stands approximately 20 cm tall. This height is the most commonly manufactured size for pillar candles sold in home décor stores worldwide.
The candle sitting on your shelf or table right now is likely a 20 cm object adding ambiance to your room.
Wooden Pencil Case
A standard hardshell or zippered pencil case — the kind used in school bags and desk drawers — measures approximately 20 cm in length. This size fits a standard pencil, ruler section, and full set of markers without leaving dead space or cramping the contents.
Open any desk drawer or school bag. That pencil case sitting inside is built around a 20 cm frame.
Adult Hand Length
For most adults, the distance from the base of the palm to the tip of the middle finger measures between 17 and 20 cm. The average adult hand length lands right at 19 to 20 cm — making your own hand the most portable 20 cm reference you’ll ever carry.
Measure yours once and use it every time. Your hand has been a 20 cm ruler the entire time.
Small Plush Toy
Many small stuffed animals and plush figures — the standard “small” size sold as gifts, desk companions, and collectibles — stand exactly 20 cm tall. This is one of the most consistently manufactured heights in the global toy and gift industry for compact plush.
Any stuffed animal labeled “small” on a product listing is almost certainly sitting at a 20 cm height right on the shelf.
How to Estimate 20 cm Without a Ruler
Your Hand = About 20 cm
For most adults, the distance from the base of the palm to the tip of the middle finger measures around 19–20 cm. Measure yours once and use it as a personal ruler.
Dinner Fork = 20 cm
A standard dinner fork is approximately 20 cm long, making it a quick and convenient reference available in almost every kitchen.
TV Remote = About 20 cm
A full-size TV remote is typically around 20 cm long. Turn it over for an easy everyday measuring reference.
A4 Paper Minus 1 cm = 20 cm
An A4 sheet measures 21 cm across its short side. Cover about 1 cm with your fingertip and the remaining width is approximately 20 cm.
See Related Measurements:
Frequently Asked Questions
What item is 20 cm long?
A standard dinner fork, chef’s knife blade, large banana, TV remote, unsharpened pencil, and small tablet height all measure approximately 20 cm — common objects found in most kitchens, offices, and living rooms.
What can I compare 20 cm to?
20 cm is most comparable to a large banana, a dinner fork, a TV remote, an A4 sheet width minus 1 cm, or the length of your own hand from palm base to fingertip.
How big is a 20 cm example?
A large banana at 20 cm is just under 8 inches long — longer than most smartphones, shorter than a 30 cm school ruler, and roughly the size of a full dinner fork from handle to tine tip.
What does 20 cm look like?
20 cm looks like a standard TV remote on your coffee table, a large banana from stem to tip, or the width of an A4 sheet of paper with a small sliver removed — just under 8 inches in any direction.
Final Thought
20 cm is one of the most common measurements in your daily life — you’ve just never had a reason to notice it before. The fork you eat with, the remote you reach for, the banana on your counter — all of them are sitting right at this measurement.
Pick one object that already lives in your routine and 20 cm will never be a blank number again.
Hi, I’m John Smith, the admin at BedDimensionsChart.com. I make measurements simple and easy to understand, from bed sizes to everyday length conversions. Clear guides. Accurate dimensions. No confusion.
