How Big is 20cm? 10 Common 20cm Big Things
20 centimeters (20cm) equals 7.87 inches or 200 millimeters (mm).
In simple terms, 20cm is shorter than a typical school ruler, which is usually 30cm long. You can find this size in many common items at home, at work, or in school.
To picture 20cm, think of two credit cards lined up. It’s also about the same length as a large dinner fork or a small tablet.
Understanding how long 20cm is helps when measuring things, shopping online, decorating, or estimating sizes without a ruler.
How Big Is 20cm?
A length of 20 cm is the same as 200 millimeters (mm) or about 7.87 inches. Many people find it easier to imagine this size by comparing it to common items like a large banana, a dinner fork, or a TV remote.
In measuring objects, 20 cm is considered medium. It is longer than most smartphones but shorter than a standard 30 cm school ruler. This measurement is useful for everyday items, crafts, school projects, and home tasks.
If you line up two credit cards, their total length is close to 20 cm. Another good comparison is the shorter side of an A4 sheet of paper, which is 21 cm, making 20 cm only slightly shorter.
Knowing how big 20 cm is helps when reading product sizes, shopping online, or estimating without a measuring tool. By thinking of common objects around this length, you can easily picture it in everyday life.
How Many Inches Is 20cm?
20 centimeters is 7.87 inches. To convert centimeters to inches, divide the number of centimeters by 2.54 since one inch is 2.54 centimeters.
Conversion Table
| Measurement | Equivalent Size |
| 20cm | 7.87 inches |
| 20cm | 200mm |
| 20cm | 0.2 meters |
| 20cm | 0.66 feet |
People often round 7.87 inches to about 8 inches. This helps them estimate sizes when exact measurements aren’t needed.
If someone asks, “what is 20 cm in inches?”, think of something that is almost 8 inches long, like a large kitchen fork, a TV remote, or a chef’s knife blade. These items give a good visual reference for the measurement.
What Does 20cm Look Like?
Many people struggle to envision measurements without a ruler. Since 20cm equals 7.87 inches, it’s a practical size between small items and larger household goods.
When someone asks, “how big is 20cm in inches?”, the answer is nearly 8 inches. This length is common in kitchen tools, office supplies, gadgets, and decorations. It’s big enough to see clearly but easy to hold with one hand.
To imagine 20cm, think of a standard sheet of printer paper. The shorter side of A4 paper is 21cm, so 20cm is just a bit shorter. A typical banana is another good comparison, as it’s often around 18–20cm long.
Knowing what 20cm looks like helps when shopping online since product sizes are often in centimeters. It also aids in DIY projects, crafts, school tasks, and furniture planning.
If you often deal with measurements, remembering that 20cm is just under 8 inches makes estimating size easier. Looking at everyday objects that are this length can help you recognize the measurement without needing a tape measure.
How to Estimate 20cm Without a Ruler
You can estimate 20cm using your body and common items.
- Using Your Hand
An average adult hand, from the wrist to the tip of the middle finger, measures about 18–20cm. Your hand is a good way to estimate 20cm. - Using Your Fingers
Four fingers held together are about 7–8cm wide. Two groups of four fingers side by side equal around 20cm. - Using Common Objects
Many bananas, large kitchen forks, and small tablets are close to 20cm long. Comparing these items can help you estimate quickly.
10 Common Things That Are 20cm Big
| Item | Approximate Size |
| Large Banana | 7.87 inches |
| Dinner Fork | 7.87 inches |
| Small Tablet Width | 7.87 inches |
| TV Remote Control | 7.87 inches |
| A4 Paper Short Side | 8.27 inches |
| Chef’s Knife Blade | 7.87 inches |
| Hair Brush | 7.87 inches |
| Rolling Pin Handle Section | 7.87 inches |
| Small Plush Toy | 7.87 inches |
| Decorative Candle | 7.87 inches |
1. Large Banana
A large banana is about 20cm long. Most bananas in stores range from 18cm to 22cm, making them a good reference for this measurement.
Since bananas are common in households, they help us visualize 20cm without needing a ruler. A large banana measures around 7.87 inches.
Its curved shape might make it look a bit longer, but it usually measures close to 20cm. This makes bananas handy for size comparisons.
People often use familiar foods to understand measurements because they’re easy to imagine. Showing a large banana can quickly explain how big 20cm is.
2. Dinner Fork
Many dinner forks at home are about 20cm long from the handle to the tips. While sizes can vary by brand, larger forks usually measure around this length.
Forks are a great example because most people use them daily. Since they are common, you can easily imagine 20cm without needing exact numbers.
This length makes the fork comfortable to hold and allows you to reach different foods. Restaurants also often use forks of similar size.
You can compare other objects to a fork to see if they are close to 20cm long. Because we use forks every day, they are one of the easiest ways to grasp the size of 20cm.
3. Small Tablet Width
Many small tablets are about 20cm wide. This size may vary a bit by model and screen size, but it usually stays around this length.
People often use tablets for reading, browsing the internet, watching videos, and taking notes. Because many use them daily, they are a handy size reference.
If you’ve held a compact tablet with both hands, you know what 20cm looks like. This width is big enough for easy viewing but small enough to carry.
Using electronic devices as size references is helpful because their dimensions are consistent. A small tablet is a practical example of an object close to 20cm.
4. TV Remote Control
Many TV remote controls are about 18cm to 22cm long, which is close to 20cm.
Remote controls fit comfortably in one hand and have enough buttons. Their size makes them easy to hold and store.
Most households have at least one remote control, making it a familiar object to visualize measurements. On a table, a standard remote usually looks around 20cm long.
To picture 7.87 inches, think of a TV remote. It’s an easy reference for understanding a 20cm object.
5. A4 Paper Short Side
An A4 sheet of paper is 21cm wide. This is just 1cm longer than 20cm.
A4 paper is common in schools, offices, and homes, making it a good size reference. By looking at the width of a sheet, you can easily visualize 20cm.
Many people use paper daily, so this example is easy to remember. If you take away 1cm from the sheet’s width, you get almost exactly 20cm.
This comparison is helpful for estimating measurements indoors because paper is usually nearby. It offers a clear way to understand how big 20cm is.
6. Chef’s Knife Blade
Many chef’s knives have blades that are about 20cm long. Both professional and home kitchens use this size because it balances precision with cutting power.
A 20cm blade is great for slicing vegetables, fruits, meat, and herbs. It offers enough cutting surface while still being easy to handle.
Chef’s knives are common in kitchens, making them a simple way to understand 20cm. Just looking at the blade shows the measurement clearly.
Many cooking guides call 20cm knives versatile because they can tackle many food preparation tasks. Their familiar look makes them a good example of this size.
7. Hair Brush
Many hair brushes are about 20cm long from the handle to the brush head. This size is comfortable to use and easy to carry in a bag or drawer.
Hair brushes are common in homes worldwide and come in various shapes. Most standard brushes are close to 20cm long.
Since people use them often, brushes serve as a handy size reference. Holding one can quickly show what 20cm looks like in everyday life.
This comparison is helpful because brushes are easy to recognize and usually close at hand. A standard hair brush provides a clear and familiar example of this measurement.
8. Rolling Pin Handle Section
Some smaller rolling pins have handle sections that are about 20cm long. While most rolling pins are longer, the handles often match this size.
Rolling pins are key tools for flattening dough. Their handles are made for a comfortable grip and control.
Many kitchen tools are around 20cm because this size is practical. It helps when estimating measurements.
A rolling pin handle is a good example because it is functional and a size people can easily visualize.
9. Small Plush Toy
Many small plush toys and stuffed animals are about 20cm tall. They are popular because they are cuddly yet easy to carry.
Manufacturers usually make plush toys in standard sizes, and 20cm is one of the most common. This size is great for gifts, decorations, and collections.
A 20cm plush toy fits well on a shelf, desk, or bedside table. It’s easy to display without needing much space.
Stuffed animals are known by both children and adults, making it easy to understand how big 20cm is.
10. Decorative Candle
Many decorative pillar candles are about 20cm tall. People often use these candles in homes, events, and seasonal decorations.
Their height makes them easy to see and stable on tables or shelves. Decorative candles often work well as centerpieces because they are balanced in size.
A 20cm candle is noticeable but not too big to clutter a room. This size helps visualize what 20cm looks like.
You can find decorative candles in many stores, making them a practical way to understand 20cm in everyday life.
Frequently Asked Questions
How big is 20cm in inches?
20cm equals 7.87 inches.
What does 20cm look like?
It’s about the size of a large banana, a dinner fork, a TV remote, or the width of a small tablet.
Is 20cm close to 8 inches?
Yes, 20cm is just a bit shorter than 8 inches. It measures exactly 7.87 inches.
How can I measure 20cm without a ruler?
You can estimate using your hand, fingers, or common items like a banana or TV remote.
Is 20cm longer than a smartphone?
Most smartphones are shorter than 20cm, so 20cm is usually longer than a standard phone.
Related Post: 9 Common Things That Are 3mm Big
Conclusion
To sum up, 20cm is 7.87 inches or 200 millimeters. It’s a common size that we see in many everyday items like large bananas, dinner forks, TV remotes, and candles. By comparing 20cm to familiar objects or using your hand or fingers, you can easily estimate this measurement without a ruler.
