How Big is 20 Square Feet? (12 Practical Visuals)

Knowing the magnitude of 20 square feet can be valuable in many everyday scenarios. 

It can help you plan and make informed decisions on projects like painting, tiling, furniture placement, or designing a garden bed.

So, if you’re involved in a task requiring the knowledge of 20 square feet, this post is for you.

By the end, you’ll discover eleven ways to practically understand its size using familiar items as reference points.

Read: How Big is 1000 Square Feet?

Let’s dive in.

12 Familiar References for 20 Square Feet

Twenty square feet equals about 1.86 square meters or 2.22 square yards.

Use the following items to understand how big that area is.

1. A Standard Front Door

Standard front doors can be reliable references for various measurements due to their familiarity. 

That said, before using them to determine measurements, confirm the standard size in your country since they vary from country to country. 

For example, in the United States, a standard front door is usually 80 inches long and 36 inches wide, covering an area of 2,880 square inches or precisely 20 square feet.

2. Half a King-size Mattress

King-size mattresses are suitable for large bedrooms since they provide ample space for couples or individuals who prefer extra room while sleeping.

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They typically measure approximately 76 inches wide and 80 inches long, offering more comfort and freedom of movement.

That means each covers 6,080 square inches or approximately 42 square feet.

So if there’s one at home, picture half of it; it’s just slightly larger than the measurement in question.

3. A Twin-size Mattress

Twin-size mattresses are designed primarily for single sleepers and are a good option in limited spaces. They are ideal for children’s bedrooms, guest rooms, dormitories, and temporary sleeping arrangements, like camping or sleepovers.

These mattresses are usually 75 inches long and 38 inches wide, covering an area of 2,850 or approximately 20 square feet.

4. A Standard 3-seater Sofa

A 3-seater sofa is a versatile and popular choice for living rooms or common areas. 

Although the size may vary, a standard 3-seater sofa is usually 84 inches long and 40 inches wide, covering an area of 3,360 square inches or about 23 square feet, enough space for multiple people to sit comfortably.

Hence, 20 square feet is slightly smaller than a standard 3-seater sofa.

5. 100 Bricks

Many people are familiar with bricks, as the construction materials are commonly used in buildings and infrastructure. In fact, if you could look around, you can spot some in unplastered buildings.

They come in different sizes, but a standard brick in the United States is usually 8 inches long and about 3.6 inches wide, covering only 28.8 square inches (0.2 square feet).

To visualize 20 square feet, imagine 100 bricks laid close to each on a flat surface in any pattern.

6. Half a Table Tennis Table

Also known as ping pong tables, table tennis tables are found in recreational centers, sports clubs, schools, community centers, parks, and workplaces.

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A standard table tennis table is usually nine feet long and five wide, covering 45 square footage. 

If you can picture one, 20 square feet is slightly smaller than half of the table.

7. 1/10 of a Tennis Court

With major tournaments like the US Open and many communities having tennis courts that are accessible to the public, tennis courts can be reliable references for different measurements due to their familiarity.

Most of these courts are 78 feet long and 27 feet wide, sitting on 2,100 square feet. 

Therefore, if you could visually subdivide one tennis court into ten equal portions, each would be approximately 20 square feet big.

8. Half a Smart Fortwo

The Smart Fortwo is a compact car designed for urban environments. It’s known for its small size, maneuverability, and fuel efficiency.

Although their sizes depend on the manufacturer, they all range from 98 inches long to 60 inches wide and 107 inches long and 65 inches wide, with each covering an area of about 40 square feet.

If you can imagine cutting one into two halves, each would be approximately 20 square feet big.

9. 1/4 of Average-sized Car

Average-sized cars are probably the most popular car segment. They offer a good compromise between interior space and maneuverability, making them suitable for various driving needs.

While their sizes vary depending on the model and manufacturer, most are around 15 feet long and 6 feet wide, covering an area of 90 square feet.

A quarter of that space is about 22 square feet, but it can help get an impression of area 20 square feet big, especially if you are familiar with them and have nothing else to compare the measurement to.

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10. 1/10 of a Soccer Goal

Watching a ball hit the back of the net of a goalpost is a defining moment in soccer matches.

And if you can recall the size of the last goal post you saw a ball go through, you are well-placed to understand how big 20 square feet is.

Typically, goals for professional and adult matches are usually 7.32 meters long by 2.44 high, occupying an area of 18 square meters (approximately 194 square feet). 

So, to get a perspective of 20 square feet, it’s ten times smaller than the standard soccer goal.

11. 1/10 Standard Dining Room

A dining room serves as a gathering space for family and friends to enjoy meals together.

A standard one consists of a dining table and chairs for meals, and it is usually approximately 200 square feet big in the United States. 

So, an area of 20 square feet is one-tenth the size of that dining room.

Read: 8 Everyday Items For Visualizing 100 Square Feet

12. 9 Medium-sized U-Haul Moving Boxes

U-Haul moving boxes are popular and reliable for packing and moving belongings, with many preferring them thanks to their durability. 

They come in various sizes and strengths to accommodate different items, including medium-sized ones measuring 18 by 18 feet, covering 324 square inches (2.25 square feet) of floor space.

To get an impression of an area of 20 square feet, picture as many as nine such boxes placed close to each other.

About Kevin Jones

My name is Kevin Jones, and I'm the proud founder of this website. I'm a self-professed measurement enthusiast, and I've been passionate about measuring things for as long as I can remember. On this website, you'll find information on all aspects of dimensions, including measurements and weight of stuff.