Garage Door Size Calculator
Determine the right garage door and garage dimensions based on your vehicles and storage needs.
Get recommended width and height.
Recommended Garage Dimensions
Garage door sizing depends on the number and type of vehicles, plus any storage needs.
Standard garage door sizes:
| Configuration | Door Width | Door Height |
|---|---|---|
| Single car | 8–9 ft (2.4–2.7 m) | 7–8 ft (2.1–2.4 m) |
| Double car | 16 ft (4.9 m) | 7–8 ft (2.1–2.4 m) |
| SUV / Truck | 9–10 ft (2.7–3.0 m) | 8 ft (2.4 m) |
| RV / Oversized | 12–16 ft (3.7–4.9 m) | 10–12 ft (3.0–3.7 m) |
Recommended interior dimensions:
- Per vehicle bay: 12 ft wide × 24 ft deep (3.7 × 7.3 m) minimum
- Add 2–4 ft (0.6–1.2 m) per side for door opening clearance
- Workshop/storage: Add 4–8 ft (1.2–2.4 m) to depth
Clearance guidelines:
- Minimum 3 inches (7.6 cm) between vehicle and door frame per side
- Minimum 18 inches (46 cm) between parked vehicles
- Allow 36 inches (91 cm) to open a car door comfortably