Measure the height of the truck cab from the truck bed floor using a tape measure.
How to measure a truck bed for a cap.
Measure the width of the truck bed from the inside of the side wall to the other side wall.
Write the measurement down.
Measure your truck bed length.
When you measure truck bed length you may find that the exact number does not match any lengths listed on our product pages.
Again the tape measure should be in a straight taut line even with the top of the bed.
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.
Step 1 place your measuring tape at the bulkhead of your truck bed.
Don t be that person measure your bed length when in doubt.
This used to be straightforward when there were only.
Instructions for measuring your bed size.
Your truck bed length is determined by the distance between the inside of your tailgate and the inside of the bulkhead.
This is needed to ensure that the camper shell will clear the top of the truck cab by at least 6 inches to compensate for movement.
Step 2 moving along your bed rail extend the measuring tape to the inside edge of the top of your tailgate.
This distance is the number you ll want to use for the measurement.
Measuring a truck s bed length is simple.
Record this measurement and label that number width.
Next measure from the inside of the tailgate to the inside of the bed s bulkhead.
F150 composite cab corners that will never rust manufacturers typically change bed sizes when they introduce a new model year.
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.
That s because most truck and accessory companies round off their measurements to the nearest half foot.