6 Common Garage Door Sizes (Single, Double, Commercial, & More)

Garage door sizes vary depending on the type of home, property, or business they serve. From standard single-car doors to oversized commercial models, knowing the most common dimensions helps homeowners and business owners make informed choices. Choosing the right size ensures not only proper functionality but also long-term convenience and curb appeal.

Here’s what you’ll learn in this guide:

• Residential options: The most popular single and double garage door dimensions.
• Commercial sizes: Oversized options built to handle trucks, equipment, and heavy-duty use.
• Tips for choosing: How to pick the right door size for your home or business.

The Impact of Garage Door Size

The size of your garage door affects far more than just whether a vehicle fits. It impacts storage, accessibility, design, and even energy efficiency. A properly sized door ensures daily convenience and avoids costly mistakes that come from installing something too small or unnecessarily large. Many homeowners are surprised to learn that “standard” garage door sizes actually come in several variations, so measuring carefully and working with a professional makes all the difference.

• Functionality: Choosing the right width and height ensures vehicles, tools, and equipment fit comfortably.
• Curb appeal: The size and style of your garage door influence the overall look of your home or property.
• Resale value: Properly sized and attractive garage doors improve property value and market appeal.

Common Single Garage Door Sizes

Single-car garages are common in both older and newer homes. These doors are designed to comfortably fit one vehicle, though exact sizes can vary depending on the builder or region.

• 8 feet wide by 7 feet high: A standard size for compact cars and small garages, often found in older homes.
• 9 feet wide by 7 feet high: A more modern standard that accommodates most sedans, SUVs, and small trucks.
• 10 feet wide by 7–8 feet high: Ideal for larger vehicles such as full-size trucks or taller SUVs.

Homeowners should measure both the width and height of their garage before replacement, as some garages may have custom dimensions. Working with a contractor ensures the new door is perfectly sized for function and fit.

Common Double Garage Door Sizes

Double doors are popular in multi-car households, offering a wide and convenient entry for two vehicles. They also create a seamless, modern look for the front of a home.

• 16 feet wide by 7 feet high: The most common size for a two-car garage, fitting most vehicles side by side.
• 18 feet wide by 7–8 feet high: Provides extra width for oversized trucks or SUVs, giving more space for entry and exit.
• 20 feet wide by 8 feet high: Found in larger or custom homes where maximum space is desired.

Homeowners who frequently use large vehicles or need more storage space often find that upgrading to a wider double door makes everyday use far more convenient.

6 Types of Commercial Garage Door Sizes

Commercial properties require garage doors built for heavier use and larger equipment. Sizes vary depending on the type of business, but contractors typically install one of these common dimensions:

1. 12 feet wide by 12 feet high: A standard for smaller commercial bays, suitable for vans and smaller trucks.
2. 14 feet wide by 14 feet high: Common in warehouses and repair shops, allowing entry for larger delivery trucks.
3. 16 feet wide by 16 feet high: Provides clearance for moving equipment, machinery, and heavy-duty vehicles.
4. 18 feet wide by 16 feet high: Ideal for semi-trucks or commercial fleets requiring extra-wide access.
5. 20 feet wide by 18 feet high: Found in industrial facilities needing oversized doors for equipment storage.
6. Custom commercial sizes: Some facilities require specialty dimensions, which can be ordered to match unique needs.

Commercial doors not only vary in size but also in material and insulation, making them durable enough to withstand heavy cycles of use while protecting valuable equipment.

Specialty and Custom Garage Door Sizes

Not every home or business fits neatly into a standard category. In these cases, custom garage doors provide the perfect solution. Contractors can order doors in unique widths and heights to fit oversized garages, RV storage, or distinctive architectural designs.

• RV garage doors: Typically 12–14 feet high to accommodate motorhomes, campers, or trailers.
• Custom-width doors: Extra-wide doors are useful for three-car garages that combine into one seamless opening.
• Tall residential doors: Homes with lifted trucks or tall SUVs often benefit from doors up to 9 feet tall.

Custom options allow homeowners to maximize both function and design, ensuring the garage door works perfectly for their lifestyle.

How To Choose the Right Garage Door Size

Selecting the right door involves more than just picking the biggest option available. Contractors evaluate several factors to recommend the perfect fit for your home or property.

• Vehicle size: The type and number of vehicles you own determine the minimum width and height needed.
• Garage layout: Storage shelves, ceiling height, and side clearance affect which sizes are practical.
• Future needs: Planning ahead for a new vehicle, RV, or workshop can influence the size you choose today.
• Aesthetic appeal: The door size should complement the home’s proportions and boost curb appeal.

Benefits of Professional Garage Door Sizing

While online charts and guides provide general standards, only a professional contractor can guarantee a precise fit. Measuring for a new garage door requires attention to width, height, headroom, side room, and backroom. Errors in sizing often lead to costly delays or performance issues.

• Accurate measurements: Professionals account for all space requirements, not just width and height.
• Proper installation: A door that fits perfectly operates more smoothly and lasts longer.
• Safety assurance: Correctly sized doors reduce strain on openers and prevent dangerous malfunctions.
• Energy efficiency: Right-sized insulated doors help control garage temperature and save on utility bills.

Find the Perfect Fit With Cheney Door Company

Garage door sizes play a huge role in the function, convenience, and appearance of your home or business. From standard single and double doors to oversized commercial options and custom solutions, choosing the right size ensures your garage is both practical and visually appealing.

At Cheney Door Company, we help homeowners and business owners find the perfect door size for every need. Our experts provide accurate measurements, professional installation, and long-lasting results you can rely on. Ready to upgrade or replace your garage door? Contact Cheney Door Company today for a free quote and discover why we’re the trusted choice for garage doors of every size.