This is the first thing you need to know and for some trucks the only thing.
How to measure truck bed size for tonneau cover.
Extend your measuring tape longways in the center of the bed to the far end up against the bulkhead.
First up bed length.
How to measure your bed size.
A lot of people think you need to measure the bed rail caps or something like that but you ll need to just extend your tape.
Your new tonneau cover must be an inch or half an inch less the dimensions you get here.
You can do this by simply dividing the number of inches your tape measure will show total inches as well as feet by 12.
Take your measurement at where the bed ends and the tailgate begins.
Get the truck bed s length.
Trucks usually come in 2 3 different bed sizes the most common being 5 5 foot 6 5 foot or 8 foot.
The last measurement you will need is the length of the truck bed.
Record the measurement in inches.
I ve already got a tonneau cover so let me just fold this back for you.
In order to ensure you re purchasing the correct size for your tonneau cover or bed rails you ll want to make sure that your bed is being measured correctly.
Divide the number of inches by 12 to determine the length of your truck bed in feet.
Measure the distance between the bed rails starting from inside to inside of the rail.
Put down the tailgate and stand at the end of the bed.
When you measure truck bed length you may find that the exact number does not match any lengths listed on our product pages.
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.