Standard garage door size chart: Single, 2-car, 3-car, & RVs

The exterior of your house is like a business card representing its owner. The front porch is on display, and the place where you keep your vehicle is open for people to see. When you think about which one is better for your house, the external appearance is not the only thing your choice should be based on. 

Consider how much space your garage entrance has and what door size will suit it best. Not least important is your budget and how much energy the opening mechanism consumes. After all, you don’t want this purchase to be out of your financial capabilities. The first step you should take that will lead you towards a well-considered purchase is finding out what types of garage doors are available on the market.

It’s no different from making sure you get the right luggage size. They come in a variety of sizes and materials, including PVC.

Types of garage doors

When it comes to your options, your choice should be mainly based on how you want your garage door to open. Here you can choose between five different variants. Those are sectional, roll-up, tilt-up/up-and-over canopy, slide to the side, and side-hinged garage doors. Each of them has a specific way of operation and can come in different colors and materials. 

16x8 garage door

Sectional

One of the most common choices for garage entrances is a sectional door. This one consists of sections that are attached to one another with hinges. At the edge of each section are wheels that move through the vertical trail fastened to the sides of the entrance. In the open variant of this door, the panels are situated in parallel with the ceiling. 

The sectional variant also has special high-tension springs that prevent the door from moving downward in case you leave it halfway open. The advantage of this option is its low maintenance and the possibility to choose the material, color, or even insert windows.

Roll-up

The second, quite popular choice, is the roll-up option. If you have a little space in the ceiling area, a roll-up unit is most suitable for your garage entrance. The special feature of this variant is its slat sections, usually made from steel. When opened, they roll inside the compact drum attached to the ceiling. 

The good news is that those doors will never get any rust or corrosion because they operate without any springs. Unfortunately, for those who don’t have the financial freedom to choose whenever they want, roll-up units cost from $850 to $3,000. In comparison to this, the price for a sectional one ranges from $750 up to $2500, which is a slightly cheaper alternative.

Tilt-up/up-and-over canopy

If you choose to install tilt-up/up-and-over canopy doors, you will pay from $600 to $2,000. However, this type requires more space than other ones. Instead of sections, this type is just one solid unit that tilts up inside and rests parallel to the ceiling. 

Investing in a tilt-up/up and over the retractable door is also an option for this model. Because of its complex retracting mechanism, this one is more expensive and needs even more free space than the canopy variant.

slide-to-side

If you have slopes on the ceiling, you can think of buying a slide to the side door. It has an easily operated mechanism that should be attached to the adjacent wall. The sliding side unit has a special motor that makes its movement inside easy and automated. This type also does not have balancing springs, which will spare you from trouble with uneven and unbalanced doors.

Side-hinged

Last but not least, side-hinged doors can be something that you want to have. They have become quite popular over recent years because of their unpretentiousness regarding space. If you have a small room for keeping your vehicle, they are perfect for it. 

You can order a side-hinged variant with a frame so it will easily fit into the entrance. There is also an option to choose an automated version. It will save you from constantly getting out of the car to open or close the door. 

It’s true that appearance matters when it comes to something that is situated in front of the house. However, you wouldn’t want to buy a beautiful piece for your opening and find out that it does not fit. That’s why the best you can do is to run through the standard garage door size chart. After that, you’d have no trouble with installation.

What is the size of a standard garage door?

It may seem surprising to you, but garage doors are often customized according to the demands of a customer. One of the important factors that play a major part in your choice is the size of the entrance and the proportions of your car. If you recently bought a bigger car than the one you used to have, you’ll need to spend some money on selecting a suitable door for its size. 

If your car is similar to the average vehicle in your city, you can stick to the market’s standard sizes. Most manufacturers offer single garage doors ranging from 8 to 10 feet in width and 7 to 8 feet in height. If you have an unusual car or more than one vehicle, there is also a possibility to choose a door that fits your needs. 

Most options on the market have 1/8 inch thickness. If you use your space for other purposes than keeping a vehicle in it, you can invest in insulation. It will not only keep away disturbing noises from outside but also sustain a comfortable temperature during the winter and summer.

Garage door size chart

DoorsCommon WidthsCommon Heights
Single8, 9, or 10 feet7 or 8 feet
Double16 or 18 feet7 or 8 feet
RV10, 12, or 14 feet10, 12, or 14 feet
NotesWidths available in 2-inch incrementsHeights available in 3-inch increments

For your convenience, there is a garage door size chart showing all the available options you can choose from. If you have an average vehicle that is not too big or too small, you can purchase a single piece with standard measurements. Those are 7 or 8 feet in height and 8 or 10 feet in width. It will be more than enough for an unpretentious car.

double car garage door

There is also a possibility to purchase a smaller door if you’re a golf cart owner. On the other hand, it may not be the best choice because you may buy a normal-sized vehicle in the future. You can always fit a small car into wide doors, but going with a bigger car through a narrow entry is problematic.

If you have a big family with more than one vehicle, two garage doors are what you should consider. It is from 7 to 8 feet in height and from 16 to 18 feet in width. If you use the space in your garage to store different items, it’s better to have this wide and easily accessible exit. 

double garage door

When it comes to huge vehicles, there’s no need to leave them in the parking lot unprotected. If you’re an RV owner, you can install an RV door. Its height and width range from 10 to 14 feet. It is unnecessary for your car to rest unsheltered when purchasing a suitable RV garage door is a special safe option.

Garage door springs

A spring is part of a door opening mechanism without which it cannot operate. There are two types of springs you can choose from. The first one is called an extension spring. It is cheaper but less durable than torsion springs. 

garage door spring

If you don’t mind changing extension springs once in a while when they get out of order, you should figure out what size is best for your opening. In order to find the right one, you should know the weight of your garage door. The most popular way to do it is by using bathroom scales, but follow the instructions in DYI. 

A common practice among most manufacturers is to paint the ends of the strings with specific colors that indicate how much weight they can lift. The tricky part is that sometimes each manufacturer has its method of marking. Before purchasing, check their official site to see their markings.

Garage door extension spring size chart

Extension Spring Chart
DOOR WEIGHTSPRING CODECOLOR
10 LB25-42-10WHITE
20 LB25-42-20GREEN
30 LB25-42-30YELLOW
40 LB25-42-40BLUE
50 LB25-42-50RED
60 LB25-42-60BROWN
70 LB25-42-70ORANGE
80 LB25-42-80GOLD
90 LB25-42-90LT BLUE
100 LB25-42-100TAN
110 LB25-42-110WHITE
120 LB25-42-120GREEN
130 LB25-42-130YELLOW
140 LB25-42-140BLUE
150 LB25-42-150RED
160 LB25-42-160BROWN
170 LB25-42-170ORANGE
180 LB25-42-180GOLD
190 LB25-42-190LT BLUE
200 LB25-42-200TAN
210 LB25-42-210WHITE
220 LB25-42-220GREEN
230 LB25-42-230YELLOW
240 LB25-42-240BLUE
250 LB25-42-250RED
260 LB25-42-260BROWN
270 LB25-42-270ORANGE
280 LB25-42-280GOLD
290 LB25-42-290LT BLUE
300 LB25-42-300TAN

If the door weighs 115 to 125 lbs, it’ll need a green extension spring which is 25’’ long at rest and 67’’ when stretched. It has a 150-inch wire diameter and 1.34’’ outside diameter when the spring is at rest. 

The blue color is for ones that weigh 135-145 lbs. They are 170’’ in wire diameter and 2,50’’ of o/d. Accordingly, the length in the rest state is the same as in green and the other following colors. 

For 155-165 lbs of weight, you’ll need a purple spring that is 160’’ o/d and 180’’ of wire diameter. 

garage door

Finally, the orange color is the one you should choose when the weight fits into the range of 175–185 lbs. In this case, the wire diameter will be 195’’ and o/d 1,75’’.

Commercial garage door size

Depending on what kind of industrial enterprise requires a commercial garage door, there are a few popular options on the market. Overhead ones are about 32 feet wide and 24 feet high. If those measurements do not satisfy your demands, you can look for other alternatives. The things that might attract you to buy overhead doors are their durability, resistance to harsh weather conditions, and low energy consumption. 

Roll-up commercial doors are often 30 feet in width and 28 feet in height. They are suitable for a few bigger cars but also 28 feet in height. They are suitable for a few bigger cars but also need a more spacious opening. The advantages of this one are its high-security level and supreme endurance. There is also the option of insulating commercial garage doors so that the interior space is not damaged by moisture or extreme temperatures from the outside.

Two-car garage size sq ft

2-car garage door from the inside

There are three possibilities for rooms for your two vehicles. If you do not have much square footage and your cars are tiny, you can fit them in 20×20, which is 400 square feet. The other commonly suggested option for two vehicles is 24×24 (572 sq ft). The more spacious and better variant is the 43×40, which equals 720 square feet. 

2.5 car garage size

The standard measurement of a 2.5-car garage is 24 feet in width and 26 feet in depth (24×26). This amount of space will not accommodate three cars, but it can provide a shelter for two. For three cars, you should at least have 32×22 space. With this one, there will be a little extra room for storage purposes at your disposal. 

If you have an SUV or a relatively big truck, 24×26 space is a good measurement for a car to be saved from accidental damage that often occurs when there is too little space. If you’re in a hurry, there is often a chance to hit the walls while opening the door. That’s why it’s better for you to be reasonable rather than economical. 

RV garage size

roll-up garage door

When it comes to garage size for an RV, there’s no single correct measurement for all of the RV types. In fact, you should measure your RV first. Then ensure that your garage is about 6-8 feet wider and 10’-12’ taller than the vehicle.

If you have a large class A motorhome, it’s better for you to measure it because it comes in small (22’-26’), medium (28’-32’), and large (34’-44’) variants. If yours is a standard class B RV that is about 12 feet wide and 14 feet high, you’ll need your garage to be at least 24 feet deep and 8 feet wide.

As you can see, each vehicle has an individual measurement. If you know the exact model of your RV, you can search for its size on the internet. In other cases, use a measuring device to be sure the vehicle will fit into a given space.

FAQ

What size torsion spring do you need for a 16×7 garage door? 

For a 16×7 door, you’ll need a 25-inch spring. The suitable spring should be 27 inches for the one 8 feet wide. When you select a spring, make sure that the measurements are precise. A poorly fitted spring will not only have trouble with the operation but also may refuse to open the door completely. 

Is 24×24 a good size garage? 

24×24 is a recommended size for two cars. It is not extremely spacious. Nonetheless, your vehicles will not be crumpled in it. You’d also have a little room to store different utensils.

Can you fit 2 cars in a 20×20 garage? 

It is possible to fit 2 small cars into a 20×20 space, but you’ll be quite cramped after doing that. That extra space near your vehicle is often needed to store some necessary items. You’d also need some space to move around cars. If you think about packing 2 cars into a 20×20 space, remember that big trucks won’t fit. Be prepared to exit the car through half-opened doors constantly. 

What is the minimum size for a single garage? 

Your garage should be at least 12×20 to fit a standard-sized car without causing too many inconveniences. If you have a smart vehicle, 10×18 is enough space for it. Nonetheless, ensure your garage is at least 20 feet long so you will not scratch your vehicle while driving inside.

How big is an oversized 1 car garage? 

The term “oversized” means that the garage has extra space. This space is big enough to store your belongings or create additional space for repairs but too small for another car. It is from 16 to 20 feet in width, smaller than the space for two cars and bigger than the one-car space. 

What is the rough opening for a single-car garage door? 

Before installation, you should check the rough opening measurements. They should be 3 inches larger than the measurements of your chosen door. If it is 8 feet wide, the rough opening should be 8 feet 3 inches.