Your Guide to Standard Garage Door Dimensions
Choosing the right garage door size ensures your vehicles fit comfortably, your space works efficiently, and your home maintains its curb appeal. Use this guide to understand standard sizes and find the perfect fit for your garage.
| Door Type | Width | Height | Best For |
|---|---|---|---|
| Single Car Door | 8′–10′ | 7′–8′ | Sedans, small SUVs, compact vehicles |
| Double Car Door | 12′–20′ (16′ common) | 7′–8′ | Two cars, wider vehicles |
| RV/Oversized Door | 10′–14′ | 12′–16′ | RVs, trucks, lifted vehicles |
| Custom | Varies | Varies | Unique garage layouts or extra space needs |
Single Garage Doors
Common dimensions: 8′ x 7′, 9′ x 7′, 9′ x 8′
Perfect for one vehicle. Tall doors (up to 12′) are available for more headroom or vertical storage.
Double Garage Doors
Most popular size: 16′ x 7′
Offers space for two vehicles or a larger car. Available from 12′ to 20′ wide depending on garage structure.
Triple Garage Doors
Triple garages often use:
- Three single doors, or
- One double + one single combination.
- No universal size exists for a single door that spans three cars, but custom doors are available.
How to Measure for a Garage Door
- Width: Wall to wall at the door opening.
- Height: Floor to top of opening (lintel).
- Side clearance: Room between door edge and wall.
- Headroom: Floor to ceiling, inside the garage.
- Backroom: From garage door to back wall.
Tip: Measure your car(s) first. If you’ve upgraded vehicles recently, confirm they’ll fit comfortably.
| Vehicle Type | Recommended Door |
|---|---|
| Compact/Sedan | 8′ or 9′ Single Door |
| SUV or Crossover | 9′ or 10′ Single Door |
| Two Cars | 16′ Double Door |
| RV or Oversized Truck | 12′–14′ Wide x 12′–16′ High |
Whether you’re planning a new garage, upgrading a door, or accommodating a new vehicle, accurate measurements and proper sizing make all the difference. Standard sizes fit most homes, but if your needs go beyond the norm, custom solutions are always an option.