Garage Door Size Calculator
Find standard garage door sizes for your vehicles and check the headroom and side room you need.
Standard garage door sizes
| Type | Common sizes (width x height) |
|---|---|
| Single | 8 x 7 ft, 9 x 7 ft, 10 x 7 ft, 8 x 8 ft, 9 x 8 ft, 10 x 8 ft |
| Double | 16 x 7 ft, 16 x 8 ft, 18 x 7 ft, 18 x 8 ft, 20 x 8 ft |
| RV / oversized | 12 x 12 ft, 12 x 14 ft, 14 x 14 ft, 14 x 16 ft |
Space you need around the opening
| Headroom, standard torsion springs | about 12 in above the opening |
| Headroom, low-headroom track kit | about 4.5-6 in |
| Headroom, with an opener on the ceiling | add about 2-3 in |
| Side room for the tracks | about 3.75-5.5 in each side |
| Back room (depth) without an opener | door height + about 18 in |
| Back room with a ceiling opener | door height + about 4 ft |
Measure the finished opening width and height, the headroom from the top of the opening to the ceiling, and the side room on both sides. A technician confirms these before ordering a new door.
Want it measured? Call (833) 435-8883 or book a visit online.
Garage door stuck, noisy or broken?
Talk to a garage door technician near you now. Tell us what the door is doing and we'll give you a price and an arrival window.