The tongue weight is approximately 10 percent of the gross trailer weight (GTW), meaning a 5,000 pound trailer (with trailer load) adds 500 lbs. of tongue weight to a vehicle’s payload. To calculate payload capacity, simply subtract the curb weight from the GVWR. Based on the formula, ...
In addition to the total gross vehicle weight rating, you must also consider the per axle rating. Let's say yourpickup truckweighs 5,000 pounds and has a GVWR of 7,000 pounds. That means you can add 2,000 pounds of people (and other cargo). But that extra 2,000 pounds needs to ...