That s because most truck and accessory companies round off their measurements to the nearest half foot.
How to measure your truck bed for a tonneau cover.
Step 2 moving along your bed rail extend the measuring tape to the inside edge of the top of your tailgate.
Most bed lengths of tonneau covers are rounded so your number should be within in 1 2 inches.
Use measure and start from the bulkhead of your truck and measure all the way to the inside edge of the tailgate.
Extend the measuring tape to the far end of the bed in the center and up against the bulkhead.
Take your measurement at where the bed ends and the tailgate begins.
Get the truck bed s length.
First up bed length.
Measure the bed length stand at the end of the bed and put down the tailgate.
Place your measuring tape at the bulkhead of your truck bed.
Extend your measuring tape longways in the center of the bed to the far end up against the bulkhead.
Record the measurement in inches.
Your new tonneau cover must be an inch or half an inch less the dimensions you get here.
Measure the distance between the bed rails starting from inside to inside of the rail.
When you measure truck bed length you may find that the exact number does not match any lengths listed on our product pages.
Put down the tailgate and stand at the end of the bed.
Your truck bed length is determined by the distance between the inside of your tailgate and the inside of the bulkhead.
The last measurement you will need is the length of the truck bed.
Measure your truck bed length.
Take the measurements from where the tailgate begins until where the bed ends.