20 centimeters (20cm) is equal to 7.87 inches or 200 millimeters (mm).
To give a quick answer, 20cm is a little shorter than a standard school ruler, which is usually 30cm long. It is a size that appears in many everyday objects around your home, office, or classroom.
If you are wondering how big is 20cm, imagine the length of two credit cards placed end to end. It is also close to the length of a large dinner fork or a small tablet device.
Knowing what 20cm looks like can help when measuring items, shopping online, decorating a room, or estimating sizes when you do not have a ruler nearby.
| Unit | Converted Value |
|---|---|
| Millimeters | 200 mm |
| Meters | 0.2 m |
| Inches | 7.87 in |
| Feet | 0.66 ft |
How Big Is 20cm?
A length of 20cm is equal to 200 millimeters (mm) or 7.87 inches. Since it is just under 8 inches, many people find it easier to picture by comparing it to common household items. A large banana, a dinner fork, or a TV remote control are all close to this size.
When measuring objects, 20cm is considered a medium length. It is longer than most smartphones but shorter than a standard 30cm school ruler. This makes it a useful measurement for everyday items, crafts, school projects, and home improvement tasks.
If you place two credit cards end to end, their combined length is close to 20cm. Another easy comparison is the shorter side of an A4 sheet of paper, which measures 21cm. That means 20cm is only slightly shorter.
Understanding how big 20cm is can help when reading product dimensions, shopping online, or estimating sizes without a measuring tool. By remembering a few common objects that are around this length, you can quickly visualize the measurement in daily life.
How Many Inches Is 20cm?
20 centimeters equals 7.87 inches. To convert centimeters to inches, divide the number of centimeters by 2.54 because one inch equals 2.54 centimeters.
Conversion Table
| Measurement | Equivalent Size |
| 20cm | 7.87 inches |
| 20cm | 200mm |
| 20cm | 0.2 meters |
| 20cm | 0.66 feet |
For practical use, many people round 7.87 inches to about 8 inches. This makes it easier to estimate sizes when exact measurements are not necessary.
If someone asks, “what does 20cm look like in inches?”, simply think of an object that is almost 8 inches long. Common examples include a large kitchen fork, a TV remote control, or a chef’s knife blade. These familiar items provide a quick and accurate visual reference for the measurement.
What Does 20cm Look Like?
Many people find it difficult to picture measurements without a ruler. Since 20cm equals 7.87 inches, it is a practical size that falls between small handheld objects and larger household items.
When someone asks, “how big is 20cm in inches?”, the answer is nearly 8 inches. This length is common in kitchen tools, office supplies, electronic devices, and decorative items. It is large enough to be clearly visible but still easy to hold with one hand.
A good way to imagine 20cm is by looking at a standard sheet of printer paper. The shorter side of A4 paper measures 21cm, which means 20cm is only slightly shorter. Another useful comparison is a typical banana, which is often around 18–20cm long.
Understanding what 20cm looks like helps when buying products online because product dimensions are often listed in centimeters. It can also help with DIY projects, crafting, school assignments, and furniture planning.
If you frequently work with measurements, remembering that 20cm is just under 8 inches makes size estimation much easier. Looking at everyday objects that are around this length can help you quickly recognize the measurement without needing a measuring tape every time.
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How to Estimate 20cm Without a Ruler
You can estimate 20cm using common body measurements and everyday objects.
1. Using Your Hand
An average adult hand from the wrist to the tip of the middle finger is about 18–20cm long. This makes your hand a useful reference when estimating 20cm.
2. Using Your Fingers
Four fingers held together are usually around 7–8cm wide. Two groups of four fingers placed side by side are close to 20cm.
3. Using Common Objects
Many bananas, large kitchen forks, and small tablet devices are close to 20cm long. Comparing objects to these items can help estimate the measurement 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 one of the easiest examples of something that measures about 20cm. Many bananas sold in grocery stores range from 18cm to 22cm in length, making them a great visual reference for this measurement.
Because bananas are common household items, they provide a simple way to understand what 20cm looks like without using a ruler. If you hold a large banana in your hand, you are looking at an object that is very close to 7.87 inches long.
The curved shape may make it seem slightly longer than it really is, but the actual length often falls near the 20cm mark. This makes bananas useful for quick comparisons when estimating sizes.
People often use familiar food items to understand measurements because they are easy to picture. If someone asks how big 20cm is, showing a large banana can instantly provide a practical answer.
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2. Dinner Fork
Many dinner forks used at home measure close to 20cm from the handle end to the tip of the tines. While sizes vary between manufacturers, larger dining forks are often around this length.
A fork is a useful example because most people use one every day. Since it is a familiar item, it can help you quickly visualize 20cm without thinking about exact measurements.
The length allows the fork to be comfortable to hold while giving enough reach for eating different foods. Restaurants often use forks that are very similar in size.
When comparing objects, placing a fork next to them can help estimate whether they are close to 20cm long. Because of its everyday use, a dinner fork remains one of the simplest ways to understand the size of 20cm.
3. Small Tablet Width
The width of many small tablets is approximately 20cm. Depending on the model and screen size, the measurement may vary slightly, but it often stays close to this length.
Tablet devices are commonly used for reading, browsing the internet, watching videos, and taking notes. Because many people use them daily, they serve as a helpful size reference.
If you have ever held a compact tablet with both hands, you already have a good idea of what 20cm looks like. The width is large enough for comfortable viewing while remaining portable.
Using electronic devices as measurement references is useful because they have fixed dimensions that stay consistent over time. A small tablet gives a modern and practical example of an object close to 20cm.
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4. TV Remote Control
Many television remote controls measure between 18cm and 22cm long. This makes them another excellent example of something around 20cm in size.
Remote controls are designed to fit comfortably in one hand while providing enough space for buttons and controls. Their length makes them easy to handle and store.
Because almost every household has at least one remote control, it is a familiar object that can help visualize measurements quickly. When placed on a table, a standard remote often appears close to 20cm long.
If you are trying to picture what 7.87 inches looks like, thinking about a TV remote can provide an instant mental image. It is one of the most recognizable examples of a 20cm object.
5. A4 Paper Short Side
An A4 sheet of paper measures 21cm across its shorter side. This means it is only about 1cm longer than 20cm.
Since A4 paper is widely used in schools, offices, and homes, it provides an excellent size reference. Looking at the width of a sheet gives a very accurate visual representation of 20cm.
Many people work with paper every day, making this comparison easy to remember. If you remove just 1cm from the width of the sheet, you would have almost exactly 20cm.
This example is especially useful when estimating measurements indoors because paper is usually available nearby. It provides one of the most accurate everyday comparisons for understanding how big 20cm is.
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6. Chef’s Knife Blade
The blade of many chef’s knives measures approximately 20cm. Professional and home kitchens often use knives with this blade length because it balances precision and cutting power.
A 20cm blade is suitable for slicing vegetables, fruits, meat, and herbs. The length provides enough cutting surface while remaining easy to control.
Because chef’s knives are common kitchen tools, they offer a practical way to picture 20cm. Looking at the blade alone helps demonstrate the measurement clearly.
Many cooking guides refer to 20cm knives as versatile options because they can handle a wide variety of food preparation tasks. Their familiar appearance makes them an excellent example of the size.
7. Hair Brush
Many hair brushes are close to 20cm long from the handle base to the brush head. This size allows comfortable use while remaining easy to carry in a bag or drawer.
Hair brushes are found in homes around the world and come in many shapes. Despite design differences, many standard models stay near the 20cm range.
Because they are regularly used, they provide a convenient size reference. Holding a brush can quickly help someone understand what 20cm looks like in real life.
This comparison is particularly useful because the object is easy to recognize and often available nearby. A standard hair brush demonstrates the measurement in a practical and familiar way.
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8. Rolling Pin Handle Section
Some smaller rolling pins have handle sections that measure close to 20cm. Although the full rolling pin is usually longer, individual sections often match this measurement.
Rolling pins are essential baking tools used for flattening dough. Their handles are designed to provide a comfortable grip and control.
Because kitchen tools are often built around practical dimensions, many of them naturally fall near the 20cm range. This makes them useful references when estimating measurements.
A rolling pin handle is a good example because it combines functionality with a length that many people can easily picture.
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9. Small Plush Toy
Many small plush toys and stuffed animals measure around 20cm in height. These toys are popular because they are large enough to cuddle while remaining easy to carry.
Manufacturers often produce plush toys in standard sizes, and 20cm is one of the most common options. This size works well for gifts, decorations, and collections.
A 20cm plush toy can fit comfortably on a shelf, desk, or bedside table. Its dimensions make it easy to display without taking up too much space.
Because stuffed animals are familiar to both children and adults, they provide a relatable example of how big 20cm is.
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10. Decorative Candle
Many decorative pillar candles are approximately 20cm tall. These candles are commonly used in homes, events, and seasonal decorations.
Their height allows them to stand out visually while remaining stable and easy to place on tables or shelves. Decorative candles often serve as centerpieces because of their balanced size.
A 20cm candle is tall enough to be noticeable but not so large that it overwhelms a room. This makes it an excellent example for visualizing the measurement.
Since decorative candles are available in many stores, they offer another practical comparison for understanding what 20cm looks like in everyday life.
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Frequently Asked Questions
How big is 20cm in inches?
20cm equals 7.87 inches.
What does 20cm look like?
It looks similar to a large banana, a dinner fork, a TV remote control, or the width of a small tablet.
Is 20cm close to 8 inches?
Yes. 20cm is only slightly shorter than 8 inches. The exact measurement is 7.87 inches.
How can I measure 20cm without a ruler?
You can estimate it using your hand length, groups of fingers, or common objects such as 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.
Conclusion
If you are wondering how big 20cm is, the answer is simple: it equals 7.87 inches or 200 millimeters. It is a practical everyday measurement that appears in many common items around us. Large bananas, dinner forks, TV remotes, chef’s knife blades, hair brushes, and decorative candles are all useful examples that help visualize this size. By comparing 20cm to familiar objects and using simple estimation methods with your hand or fingers, you can quickly recognize this measurement even when a ruler is not available.
