Hold one end of your tape measure against the inside of your truck bed s left front corner and have someone pull the tape measure until it reaches the inside of the front right corner.
How to measure your truck bed for a canopy.
Step 1 place your measuring tape at the bulkhead of your truck bed.
Put down the tailgate and stand at the end of the bed extend your measuring tape longways in the center of the bed to the far end up against the bulkhead take your measurement at where the bed ends and the tailgate begins inches to feet converter.
Measuring is actually quite easy simply take a tape measure and measure between the bulkhead near the cab inside the truck bed all the way to the inside of the tailgate the pivot point of your tailgate.
After selecting your vehicle and a tonneau cover you will see a fitment note directing you to the correct model number for your bed size.