Garage Door Sizes Chart
Garage doors come in a range of standard sizes for single, double, and specialty openings. This chart helps you understand common dimensions so you can choose the right door for your home or project.
Standard Single Garage Door Sizes
- 8′ x 7′ — Common for older homes and compact garages
- 8′ x 8′ — Slightly taller for SUVs or storage racks
- 9′ x 7′ — Most common modern single‑car size
- 9′ x 8′ — Extra height for larger vehicles
- 10′ x 7′ — Wider single‑car option
Standard Double Garage Door Sizes
- 14′ x 7′ — Compact double‑car opening
- 15′ x 7′ — Less common but available
- 16′ x 7′ — Most common double‑car size
- 16′ x 8′ — Extra height for trucks and SUVs
- 18′ x 7′ — Oversized double‑car option
Tall & Oversized Garage Door Sizes
- 12′ x 12′ — RVs, commercial vans, and tall equipment
- 14′ x 14′ — Large RVs, trailers, and industrial use
- Custom widths: 20’–24′ available for specialty builds
Common Garage Door Thicknesses
- Non‑insulated: ~1 layer steel, ~1″ thick
- Polystyrene insulated: 1⅜”–2″ thick
- Polyurethane insulated: 1¾”–2″ thick
Minimum Space Requirements
- Headroom: 12″–18″ for standard tracks
- Low‑headroom: 6″–10″ with special hardware
- Backroom: Door height + 18″
- Sideroom: 3.5″–5″ per side
How to Choose the Right Size
- Measure the rough opening width and height
- Consider vehicle size and future needs
- Check headroom and backroom for track compatibility
- Choose taller doors for SUVs, trucks, or roof‑rack vehicles
- Consider double doors for easier parking and maneuvering
When Custom Sizes Are Needed
- Non‑standard openings in older homes
- RV or boat storage
- Workshops or commercial spaces
- Unique architectural designs
This size chart helps you understand the most common garage door dimensions and space requirements. Accurate measurements ensure a proper fit, smooth installation, and long‑term performance.