Fifth Wheel Hitch Weight Calculator

Enter your Truck Curb Weight, GVWR, GCVWR, Max Payload, Fifth Wheel UVW, and Hitch Pin Weight into the Fifth Wheel Hitch Weight Calculator to find your Available Payload, Total Payload Used, New Truck GVW, and Safety Status.

lbs

Empty weight of your truck without passengers or cargo

lbs

Gross Vehicle Weight Rating - maximum loaded truck weight

lbs

Gross Combined Vehicle Weight Rating - maximum truck + trailer weight

lbs

Maximum cargo weight truck can carry

lbs

Maximum trailer weight truck can tow

lbs

Unloaded Vehicle Weight - empty fifth wheel weight

lbs

Gross Vehicle Weight Rating - maximum loaded fifth wheel weight

lbs

Weight pressing down on the hitch pin (typically 20-25% of trailer weight)

lbs

Total weight of all passengers

lbs

Weight of cargo, gear, and supplies in truck bed

Results

Available Payload

--

Total Payload Used

--

New Truck GVW

--

New GCVW

--

Remaining Tow Capacity

--

Payload Breakdown

Frequently Asked Questions

What is pin weight and why is it important?

Pin weight is the downward force exerted by the fifth wheel trailer on the truck's hitch. It's typically 20-25% of the trailer's total weight and is crucial for proper weight distribution and safe towing.

How do I find my truck's GVWR and payload capacity?

Check your truck's door jamb sticker, owner's manual, or manufacturer specifications. GVWR is the maximum loaded weight, and payload capacity is GVWR minus curb weight.

What happens if I exceed my truck's payload capacity?

Exceeding payload capacity can cause handling problems, brake failure, tire blowouts, suspension damage, and may void your warranty. It's also illegal in most jurisdictions.

Can I increase my truck's towing capacity?

No, towing capacity is set by the manufacturer based on engine, transmission, brakes, and frame strength. Adding aftermarket parts cannot safely increase these ratings.

What's the difference between UVW and GVWR for fifth wheels?

UVW (Unloaded Vehicle Weight) is the empty trailer weight. GVWR is the maximum loaded weight including cargo, water, propane, and supplies.

How much pin weight is too much?

Pin weight should be 20-25% of trailer weight. Too little causes trailer sway, while too much can overload the truck's rear axle and cause handling problems.

Should I weigh my actual setup?

Yes, always weigh your loaded truck and trailer at a certified scale. Actual weights often differ from manufacturer specifications due to options and cargo.

What if my calculations show I'm overweight?

Reduce cargo weight, consider a lighter trailer, or upgrade to a truck with higher payload and towing capacity. Never exceed manufacturer weight ratings.

More Automotive Tools