Cargo fit · king bed, 76x80
Will a king mattress fit in a truck bed?
At 80 × 76 × 11 inches — the answer for every bed size and class of pickup, and what changes when the tailgate comes down.
King mattress
80" × 76"
11" tall as loaded
Wider than most beds are across the rails. It will overhang, and it must be strapped through the frame at several points.
Every bed size, every class of truck
Length decides whether the tailgate closes. The gap between the wheel wells decides whether it lies on the floor or rides on top of them — which is also what decides whether a tonneau cover can close over it.
| Bed | Full-size pickup | Mid-size pickup | Compact / unibody pickup | Heavy-duty pickup |
|---|---|---|---|---|
| Short / compact · 61" | No — too wide for this bed | No — too wide for this bed | No — too wide for this bed | No — too wide for this bed |
| 5.5 ft bed · 67" | No — too wide for this bed | No — too wide for this bed | No — too wide for this bed | No — too wide for this bed |
| 6.5 ft bed · 78.9" | No — too wide for this bed | No — too wide for this bed | No — too wide for this bed | No — too wide for this bed |
| 8 ft bed · 97.6" | No — too wide for this bed | No — too wide for this bed | No — too wide for this bed | No — too wide for this bed |
Bed lengths shown are typical for each category. Wheel-well spacing is a class typical — measure your own truck before cutting or buying to size.
Other loads
Same checks, run for the other things people put in a bed.
King mattress in a truck bed — frequently asked
Will a King mattress fit in a truck bed?
Yes, in the right bed. At 80 by 76 inches it needs a bed of at least 80 inches to travel with the tailgate closed, and because it is wider than the roughly 49 inches between the wheel wells of a full-size truck, it rides on top of the wells rather than on the bed floor. The table on this page works it out for every bed size and class.
What size truck bed do I need for a King mattress?
You need an 8 ft bed to close the tailgate, though an open tailgate adds roughly 20 inches to any of them. Width matters as much: at 76 inches wide this will not drop between the wheel wells of any pickup.
How do I secure a King mattress in a truck bed?
Wider than most beds are across the rails. It will overhang, and it must be strapped through the frame at several points. Strap it at both ends rather than only across the middle, use the factory tie-down points, and flag anything that hangs past the tailgate. If it sits above the bed rails, a tonneau cover will not close over it.
Are these measurements exact?
The King mattress dimensions are nominal for the standard version sold in the US, and bed lengths are per model and generation. Bed width and wheel-well spacing are typicals for the truck class, because they vary by a couple of inches between models. Measure your own bed before you rely on any of it.