Payload Capacity Calculator

GVWR minus curb, passengers, cargo, and tongue weight — available payload remaining, not towing capacity

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Payload, Tongue Weight & Overload Safety Gear

Payload math is only useful if you can weigh what is actually on the truck. Scale the tongue, weigh bed cargo, chock before you jack, and keep extinguisher and brake-check tools in the cab when the truck is loaded hard.

Sherline LM 2000 Trailer Tongue Weight Scale (2,000 lb)

Tongue weight presses through the hitch onto the tow vehicle and counts against GVWR/payload. Weigh the loaded coupler instead of guessing.

View on Amazon →

TIPRE Digital Shipping Postal Scale (660 lb)

Weigh toolboxes, coolers, generators, and other bed cargo before you stack them. Spec-sheet curb weight is not a CAT-scale ticket.

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MaxxHaul 70472 Solid Rubber Wheel Chocks (2-Pack)

Chock before you drop a coupler, shift bed cargo, or jack for a load move. A rolling trailer or truck is a crush hazard and a bad reading.

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Kidde Basic 110 Fire Extinguisher FA110G

Overloaded trucks run hotter brakes and bearings. Keep a rated extinguisher in the cab, not buried under cargo.

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Lisle 81850 Brake Lining Thickness Gauge Set

Payload overload lengthens stops even with no trailer. Measure lining before you blame “just hills” or soft pedal feel.

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Run the Payload Numbers

Available payload remaining = GVWR − curb − passengers − cargo − tongue weight. Over GVWR gets a hard warning.

Open Payload Capacity Calculator →

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How to Use This Payload Capacity Calculator

Read GVWR from the driver’s door jamb sticker. Enter curb weight (brochure or, better, an empty CAT-scale weigh). Add everyone who will be in the truck, everything already in/on the vehicle, and trailer tongue weight if you are towing (enter 0 if not). The primary result is available payload remaining. Total payload capacity (GVWR − curb) is shown as a reference.

Payload capacity = GVWR − curb weight
Available remaining = GVWR − curb − passengers − cargo − tongue weight

Worked walkthrough: how to calculate actual available payload. Why tongue weight belongs here: payload vs towing capacity. Symptoms when you are over: overloaded payload troubleshooting.

Payload Capacity Calculator