How Big Is a Half Acre of Land? (With Helpful Visual Comparisons)

Buying land is a big decision, so before you proceed, you want to know exactly how much property would be yours to work with. You’re thinking of purchasing 0.5 acres, which you’d like to convert into square feet. How many square feet is 0.5 acres?

Since one acre is 43,560 square feet and your land is half as big, then .5 acres of land is 21,780 square feet. Yours is about half the size of one football field, which is 48,000 square feet in total.

Do you want some other helpful examples that will let you visualize the true expanse of your .5 acres? Perhaps you’re looking to learn how long it would take you to walk across your land. Well, you’re in luck, as we’ll discuss all that and more ahead! 

Why 21,780 Square Feet?

To calculate the size of one acre, you need to multiply a furlong, which is 660 feet, by a chain, which is 66 feet. We don’t delve into this much since we just discussed chains and feet in our article on how big .25 acres of land is.

Here’s the Cliff’s Notes version. An acre consists of 43,560 square feet, with each side of that square foot measuring 209 feet. If you need to know how much land you have and it’s bigger than one acre, the math is very simple. You just take that number and then multiply it by 43,560 and you get the square feet of your acreage. 

Yet when you have less than an acre of land, you might be stumped on the math. It’s a little different but not too hard. You need to know the value area of the land and then multiply it by 43,560, the standard measurement of one acre. Then you get the square footage. In the case of .5 acres, that comes out to 21,780 square feet.

The neat thing about this number–21,780–is it is exactly half of 43,560. That makes your land half an acre. Unlike owning .25 acres, which was a bit of a more complex measurement, having .5 acres of land is a lot simpler to calculate. 

Visualizing .5 Acres of Land: 5 Useful Examples

Are you still having a hard time putting together in your head how much .5 acres of land is? No big deal. Here are 5 examples that will make it clearer what you could fit on that much land. You just may be surprised to realize how much space you have.

Half of One Football Field

When talking in acres, most people assume that one acre is the same as a football field. Yet here’s a fun fact, a football field is 48,000 square feet on average. As you recall, an acre is 43,560 square feet, so you can’t even fit one full football field on an acre.

That tells you that with 0.5 acres of land, you can’t squeeze in one whole football field either. Yet you would have enough space for about half of a football field. If you’ve ever gone to a football game in person, then you’ve seen the true immensity of the field. With even half that space, you’d have plenty of room.

Nearly 8 Tennis Courts

Once you move away from football, you begin to realize that the space needed to play many other sports is not nearly as much. Take, for example, tennis. A tennis court is approximately 2,808 square feet. 

By dividing that number into 21,780, you get 7.756, which tells us that on your 0.5 acres, you could fit nearly 8 tennis courts. You wouldn’t have room for anything else though!

Almost 5 Basketball Courts

Perhaps basketball is more your game. In that case, you’d have the space for enough b-ball courts that you could open your own training facility. The average size of a basketball court in square feet is 4,700, and since you have 21,780 square feet of land, the math is simple. You get 4.63 basketball courts.

1.6 Olympic Swimming Pools

Many people dream of having a swimming pool on their property. Rather than settle for an above-ground pool or even an in-ground pool, you want an Olympic-scale swimming pool to stretch your legs and practice your swimming technique.

The size of an Olympic pool is approximately 13.454.72 square feet. By dividing 21,780 by that number, you get 1.61. So sure, you couldn’t fit two Olympic swimming pools on your .5 acres, but you’d have room for at least one, and that’s saying something!

Almost 55 Two-Car Garages

If you’re a car lover, then owning a two-car garage is a must. Now imagine being able to have more than 50 such garages on your property. It’s doable if you own .5 acres of land! 

A two-car garage is 400 square feet on average. With the 21,00+ square feet to your name, you’d have room for approximately 54.45 two-car garages assuming that you don’t use the rest of the land for anything else.  

More Than 71 School Buses 

In our article about the size of .25 acres, we compared that amount of land to the commensurate number of school buses, so it only seems fair to do so again now. A school bus is 245 to 300 square feet. Even if yours were bigger 300-square-foot buses, you’d still have room for 72.6 of them on your .5. acres of property. At 245 square feet per bus, you could easily fit 88.89 buses!

How Long Does It Take to Walk Across 0.5 Acres?

Do you feel like taking a walk? You figured you’d start with your own property. How much time should you set aside for your little stroll, and will it be to so little at all?

Yes, it will be. Let’s assume that you’re walking at an average pace of 3 to 4 miles per hour. This is a relatively brisk pace, but you’re not breaking a sweat when walking this quickly. It’s normal speed. 

It would only take you 35.61 seconds to walk a square acre at that speed. Since 0.5 acres is half an acre, then you’d walk for a total time of 17.805 seconds. 

What Can You Do with 0.5 Acres of Land?

This article has certainly sparked some interesting ideas, but you’re still not totally sure what you’ll do with your .5 acres of land. We have some suggestions that are worth considering, as you can make great use of the space in many ways! 

Build Some Homes

In many parts of the country, a 2,500-square foot home is considered generously sized. If you agree, then you could build 8 homes of that size on your .5 acres of land and still space them apart enough that you and your neighbors won’t feel on top of each other. 

Even if you wanted a very large home, such as one that’s 4,000 square feet, you’d be able to build 4 or 5 homes on your .5 acres of land at that size. That’s not bad at all!

Start a Sports Complex

Okay, so maybe you can’t fit an entire football field on your .5 acres (not even close), but that’s fine. For sports lovers, you can use your acreage in many other ways. Perhaps you add one Olympic-sized swimming pool and then a few tennis courts or basketball courts with whatever room is left. 

You’d have your own sports complex that you could open to the public and turn a profit or keep private and enjoy for yourself (and your friends and loved ones, perhaps). 

Make a Huge Parking Lot

Here’s another suggestion to consider. We talked in an earlier section about how many school buses you could fit on your .5 acres of land. Why not turn your .5 acres into a giant parking lot? Since a parking space is on average 180 square feet, you’d have room for 121 parking spaces on your land. There’s certainly some money-making potential to be had here.

Final Thoughts 

Owning .5 acres of land might not sound like much, but it’s more than you think. With 21,780 square feet available to you, you could build a small block of homes, fit at least one Olympic-sized swimming pool, or park your own army of school buses. The possibilities are endless, so we hope you’re inspired to make the most of your .5 acres! 


Geoff Southworth is the creator of, the site that helps new homeowners, investors, and homeowners-to-be successfully navigate the complex world of property ownership. Geoff is a real estate investor of 8 years has had experience as a manager of a debt-free, private real estate equity fund, as well as a Registered Nurse in Emergency Trauma and Cardiac Cath Lab Care. As a result, he has developed a unique “people first, business second” approach to real estate.

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