What size carport do your vehicles need?
Enter how many of each vehicle type. Widths allow ~3 ft of door-swing space per vehicle; length adds a 3 ft buffer and rounds up to 5-ft increments.
How many cars fit this carport?
Standard carport sizes
Published standard sizes from industry guides (US imperial with metric equivalents, plus Australian metric sizes).
| Configuration | Width × Length (ft) | Width × Length (m) | Area (sq ft) | Leg height (ft) | Source |
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Door clearance calculator
A 6-ft-wide car needs about 9 ft of width to open doors without dinging the posts. Enter your vehicle widths.
Height validator
Storage extension
Select what else goes under the carport. Extra length rounds up to 5-ft increments.
Driveway fit validator
Frequently asked questions
Planning estimate only. Always check your local building code, HOA rules, and required wind/snow load ratings before ordering — they affect size, steel gauge and anchoring. This tool is not engineering or legal advice.