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.
Extend your measuring tape longways in the center of the bed to the far end up against the bulkhead.
Record the measurement in inches.
Take your measurement at where the bed ends and the tailgate begins.
Place your measuring tape at the bulkhead of your truck bed.
Extend the measuring tape to the far end of the bed in the center and up against the bulkhead.
Get the truck bed s length.
Take the measurements from where the tailgate begins until where the bed ends.
The last measurement you will need is the length of the truck bed.
First up bed length.
Measure the bed length stand at the end of the bed and put down the tailgate.
Step 2 moving along your bed rail extend the measuring tape to the inside edge of the top of your tailgate.
Your new tonneau cover must be an inch or half an inch less the dimensions you get here.
This is the first thing you need to know and for some trucks the only thing.
Measure your truck bed length.
Your truck bed length is determined by the distance between the inside of your tailgate and the inside of the bulkhead.
Put down the tailgate and stand at the end of the bed.
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.
So if your truck bed measures 76 you can go with the product listed for a 6 5 foot bed.