RV weight terms are confusing because brochures, vehicle labels and sales conversations can all discuss different measurements. This page lists typical sizes and weights by type, then explains the numbers that matter when you buy or tow.
Typical length and weight by type
| Type | Typical length | Typical weight (GVWR) |
|---|---|---|
| Class A Motorhomes | 26–45 ft (7.9–13.7 m) | 16,000–50,000 lb (7,300–22,700 kg)+ |
| Class B Camper Vans | 17–24 ft (5.2–7.3 m) | 6,000–11,500 lb (2,700–5,200 kg) |
| Class C Motorhomes | 20–35 ft (6.1–10.7 m) | 10,000–18,000 lb (4,500–8,200 kg)+ |
| Travel Trailers | 12–40 ft (3.7–12.2 m) | Under 3,000–10,000 lb+ |
| Fifth Wheels | 25–45 ft (7.6–13.7 m) | 8,000–20,000 lb (3,600–9,100 kg)+ |
| Toy Haulers | 20–45 ft (6.1–13.7 m) | 9,000–21,000 lb (4,100–9,500 kg) |
| Truck Campers | 8–12 ft box | 2,000–5,000 lb (900–2,300 kg) |
| Pop-Up and Folding Trailers | 8–20 ft (2.4–6.1 m) | 1,200–3,800 lb (500–1,700 kg) |
| Teardrop and Small Trailers | 8–20 ft (2.4–6.1 m) | 1,200–3,800 lb (500–1,700 kg) |
These are broad ranges. Published trailer length may mean body length or overall length including the tongue, so confirm the definition and give campgrounds the dimensions they ask for. Individual models can fall well outside them.
The weight terms that matter
| Term | Meaning | Why it matters |
|---|---|---|
| Dry weight or UVW | Unloaded vehicle weight under the manufacturer's stated definition | Does not represent a fully packed camping trip |
| GVW | Actual gross vehicle weight at a particular time | Changes as people, water, fuel and cargo change |
| GVWR | Maximum permitted loaded weight assigned by the manufacturer | Applies separately to the truck, trailer or motorhome |
| GAWR | Maximum permitted load on an axle | You can exceed an axle limit while staying under GVWR |
| GCWR | Maximum permitted combined weight of the powered vehicle and trailer | Relevant whenever you tow |
| Payload | Carrying capacity for people, cargo, equipment and supported trailer load | Frequently limits tow vehicle suitability |
| CCC / OCCC | Cargo or occupant-and-cargo capacity, according to the applicable label | Check what the label includes |
| Tongue weight | Downward load a conventional trailer puts on its coupling | Uses tow vehicle capacity |
| Pin weight | Load a fifth wheel puts on its hitch | Can be a substantial truck load |
| Hitch rating | Limits assigned to the hitch system | May include separate trailer-weight and vertical-load limits |
The exact labels and manuals on your vehicles matter more than a general specification found online. See also the full RV glossary.
Why dry weight is misleading
Consider a hypothetical trailer. Avoid double-counting items already included in the actual factory weight.
| Item | Weight |
|---|---|
| Advertised dry weight | 5,200 lb (2,360 kg) |
| Options not included in that figure | 200 lb (90 kg) |
| Batteries and propane contents not already included | 150 lb (70 kg) |
| Water | 400 lb (180 kg) |
| Food, clothing, tools, bedding, chairs and equipment | 650 lb (290 kg) |
| Estimated camping weight | 6,600 lb (2,990 kg) |
The trailer advertised at 5,200 lb (2,360 kg) may travel at about 6,600 lb (2,990 kg).
Water is a major load
- Fresh water weighs about 1 kg per litre.
- It is about 8.34 lb per US gallon and 10 lb per Imperial gallon.
- A 200 litre fill adds about 200 kg (441 lb).
- Think about the case where you fill the fresh tank before emptying the waste tanks.
Payload is often the limit, not towing capacity
A vehicle advertised to tow 10,000 lb is not automatically suitable for every trailer below that weight. Consider a hypothetical pickup:
| Item | Load |
|---|---|
| Available payload on the vehicle label | 1,600 lb (730 kg) |
| Occupants | −550 lb (250 kg) |
| Cargo and accessories added after the labelled configuration | −200 lb (90 kg) |
| Hitch equipment | −100 lb (50 kg) |
| Remaining allowance before trailer load | 750 lb (340 kg) |
A loaded 7,000 lb (3,180 kg) travel trailer at 13 per cent tongue weight puts about 910 lb (410 kg) on the hitch. That is more than the 750 lb allowance, even if the truck's tow rating is above 7,000 lb. For a quick screening, divide the remaining payload by the tongue-weight fraction: 750 lb ÷ 0.13 is about 5,769 lb, so this truck would be limited to a trailer of roughly that loaded weight. This is a screening calculation, not a towing approval.
Tongue and pin weight
- Conventional trailers: about 10 to 15 per cent of loaded trailer weight.
- Fifth wheels: about 15 to 25 per cent of loaded trailer weight.
- An 8,000 lb trailer at 13 per cent gives 1,040 lb of tongue load. A 14,000 lb fifth wheel at 20 per cent gives 2,800 lb of pin load.
- Do not fix an overweight truck by moving cargo rearward until tongue weight is too low. Too little causes sway.
A cushion for safety
Many owners keep the loaded trailer under about 80 per cent of the tow vehicle's rated maximum. It is a rule of thumb, not a legal limit. The buffer helps on steep climbs, in headwinds and in emergency braking, and it allows for passengers and gear you forgot to count.
Length and height
- Length can limit older campgrounds, fuel stations, ferries, parking, turning space, home storage and forest roads. There is no universal length that fits every national or provincial park.
- Measure your actual travel height, including air conditioners, antennas, satellite gear and racks. Keep the figure in the cab in feet and inches and in metres.
- Allow for clearance uncertainty and road geometry, and check ferry pricing on the ferry rules page.
Weigh the finished combination
Weigh the RV as you use it: people aboard, normal fuel level, camping equipment loaded, water for the trip, and bikes, tools and accessories in place. Get individual axle weights where you can. For a trailer, hitched and unhitched weights help show the supported load and how the weight distribution works. Public scales at truck stops and landfills are the usual option in Canada.
Test your own numbers in the towing and payload calculator, and read RV weight limits explained for the full explanation.
Common questions
Is dry weight the same as towing weight?
No. Dry weight leaves out water, propane, batteries, food, gear and options. A loaded trailer commonly weighs 1,000 to 2,000 lb or more above its dry weight.
What does GVWR mean on an RV?
It is the maximum loaded weight the manufacturer assigns to that vehicle or trailer. Never exceed it.
Why do I need to know payload?
Payload covers passengers, cargo, hitch hardware and tongue or pin weight. It is frequently the limit before the headline towing capacity.