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How to Measure Your Truck Bed for a Toolbox

Steps to Measuring for a Truck Toolbox

  • Measure the Distance Between your Bed Rails
  • Determine the Height of your Bed Walls
  • Find the Distance Between the Base of your Wheel Wells and the Bulkhead

Buy the Right Size

  • Because many truck bed sizes are similar across makes and models, most truck toolboxes come in semi-custom sizes that fit trucks of the same class. Here are the two typical sizes you'll see when shopping for a truck bed tool box – mid-size and full-size.
  • Mid-size boxes, as the name indicates, are meant for the beds of mid-size and compact pickups including Colorados, Tacomas, Frontiers and more.
  • Full-size boxes are designed for the big boys like Silverados, F-150s, Sierras, Tundras, Titans and Rams.

Pro Tip: If you have a flairside/stepside truck, you'll need a narrower toolbox.

Shop Popular Truck Toolboxes