RV Classes: Determining The Correct RV Cover Size
Class A RVs (Big Motorhomes – 30 to 45 ft)
- Length: Measure bumper to bumper including tow hitch or rear accessories.
- Height: Include rooftop units. Many Class A RVs are 12–13.5 feet tall.
- Width: Usually 8.5 feet, but add clearance for side mirrors and slide-outs.
Recommended carport Leg height: 11–13 ft (you will gain additional height to your peak).
Suggested size: 12×30 to 18×50 ft depending on RV length and how much additional room you’d like on the sides.
Class B RVs (Camper Vans – 17 to 22 ft)
- Length: Measure bumper to bumper
- Height: Include roof fans, solar panels, or A/C
- Width: Usually 7–7.5 feet, compact footprint
Recommended carport leg height: 8–10 ft (you will gain additional height to your peak).
Suggested size: 12×20 to 18×30 ft depending on rv length and how much additional room you’d like on the sides.
Class C Motorhome (Cab-Over RVs – 22 to 33 ft)
- Length: Include front overhang and back ladder
- Height: Typically 11–12.5 ft
- Width: 8–8.5 feet, but watch for slide-outs
Recommended carport leg height: 10–12 ft (you will gain additional height to your peak).
Suggested size: 12×30 to 18×50 ft depending on rv length and how much additional room you’d like on the sides.
Fifth Wheels (Trailer w/ Raised Front Section – 30 to 45+ ft)
Recommended dimensions for 5th wheel RV covers:
- Length: Front hitch to rear bumper, include rear racks
- Height: Often 13 to 13.5 feet
- Width: 8–8.5 ft, with slide-outs to consider
Recommended carport leg height: 11–13 ft (you will gain additional height to your peak).
Suggested size: 12×30 to 18×50 feet depending on rv length and how much additional room you’d like on the sides.
Travel Trailers (Tow-Behind Campers – 20 to 36 ft)
- Length: Hitch to rear ladder/spare tire
- Height: Up to 10–12 ft
- Width: 8–8.5 ft, account for awnings or slides
Recommended carport leg height: 10–12 ft (you will gain additional height to your peak).
Suggested size: 12×30 to 18×50 ft depending on rv length and how much additional room you’d like on the sides.
Toy Haulers (Travel Trailer or 5th Wheel w/ Rear Garage – 25 to 45 ft)
- Length: Bumper to hitch or rear loading ramp
- Height: Up to 13.5 ft, especially if carrying UTVs
- Width: Allow for extended sides, ramp clearance
Recommended carport leg height: 11–13 ft (you will gain additional height to your peak).
Suggested size: 12×30 to 18×50 ft depending on rv length and how much additional room you’d like on the sides.
Truck Campers (Mounted in Truck Bed – 8 to 12 ft)
- Length: Camper only or truck + camper if stored together
- Height: From ground to roof vent/A/C
- Width: Typically 7–8 feet
Recommended carport leg height: 10–12 ft (you will gain additional height to your peak).
Suggested size: 12×30 to 18×30 ft depending on rv length and how much additional room you’d like on the sides.
