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Last updated: March 2026

What Size Pickup Truck Bed Do I Need?

Enter your items and we'll recommend the right bed length — 5.5 ft, 6.5 ft, or 8 ft — based on actual dimensions.

PICKUPCALCULATORBED SIZE

1 inch can be the difference between fitting and getting stuck.

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What to Measure

1Measure the longest item — this determines minimum bed length
2Check bed width between wheel wells (typically 50–52" vs. 64–66" at the top)
3Factor in tailgate-down length if items can hang over — adds ~18–21"

Common Mistakes to Avoid

Measuring bed length at the top — the floor length is shorter due to the bulkhead angle, often 2–4" less than the spec sheet
Forgetting wheel well intrusion — between the wheel wells you lose 12–16" of width compared to the full bed width
Assuming items can ride tailgate-down safely — anything past 2 ft overhang needs a flag and secure strapping

Frequently Asked Questions

Can a 4×8 sheet of plywood fit in a 5.5-ft bed?

Not flat — a 5.5-ft bed (66") is 30" short of 8 ft. You need the tailgate down and a bed extender, or angle it diagonally. A 6.5-ft bed handles plywood with just the tailgate down.

What's the real difference between 5.5, 6.5, and 8-ft beds?

Usable floor length: about 67", 79", and 98". The 6.5-ft is the sweet spot for most hauling — it fits a standard sofa (84") with the tailgate down. The 8-ft bed is for full sheets, lumber, or commercial loads.

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