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What Size Mattress Fits in a Truck Bed

From the Puffy Editorial Team | 4 min read.
What Size Mattress Fits in a Truck Bed

Ah, the open road! It calls to us with promises of adventure, scenic routes, and roadside attractions that range from the majestic to the kitschy. And what better way to enjoy the journey than from the comfort of your very own truck bed?

But wait - before you load up your trusty pickup and hit the asphalt, you’ve got to ask the golden question: What size mattress fits in a truck bed? Luckily, we’ve got the answers to make sure your mobile bedroom is as comfy as possible.

Table of Contents

What Size Mattress Fits in a Truck Bed?

If you think all truck beds are created equal, think again. The dimensions of your truck bed will be the defining factor when it comes to choosing the right mattress size.

  • Compact Trucks: Generally, a Twin or Twin XL mattress will fit quite nicely.
  • Full-Size Trucks: In larger truck beds, a Full or Queen mattress can be the perfect fit.
  • Extra-Long Beds: These can often accommodate a King or California King mattress, but it’s less common.

So, start by measuring your truck bed’s dimensions. We’ll get into how to do that accurately later on.

Will a Queen Mattress Fit in a Truck Bed?

A Queen mattress is often the go-to choice for at-home sleeping, but can it work for your mobile bedroom? The short answer is - it depends.

  • Compatibility: A Queen size usually measures 60x80 inches. You’ll need a full-size or larger truck bed for it to fit properly.
  • Accessibility: Keep in mind that while the mattress might fit, you also need room to climb in and out of bed.
  • Wheel Wells: The presence of wheel wells can also eat into your available space.

Will a Full-Size Mattress Fit in a Truck Bed?

Full-size mattresses generally measure 54x75 inches, making them a snug but often suitable option for many truck beds.

  • Most Suitable For: Full-size beds are most suitable for compact to medium-sized trucks.
  • Extra Space: This size often leaves some room for storage or even a small nightstand setup.
  • Comfort Factor: A Full-size is typically sufficient for one person but may be tight for two adults.

Will a King-Size Mattress Fit in a Truck Bed?

While the idea of sprawling out on a King-size mattress in the back of your truck sounds luxurious, it’s often impractical. Here’s why:

  • Size: King-size mattresses measure 76x80 inches. That’s a lot of mattress.
  • Limited Trucks: Very few, if any, standard trucks can accommodate a King-size mattress without modification.
  • Not Practical: The bulkiness of a King-size mattress could make it difficult to set up and remove.

Check out Puffy mattress reviews from real customers and see how we compare with other brands.

Custom Mattress Sizes for Truck Beds

If standard sizes don’t meet your needs, you might consider a custom-sized mattress.

  • Pros: Custom sizes can be made to fit your truck bed perfectly.
  • Cons: They can be more expensive and take longer to manufacture.

How to Measure Your Truck Bed for a Mattress

Getting this right is crucial for a comfortable setup.

  1. Length: Measure from the very front of the bed to the very back.
  2. Width: Measure from side to side, but take the wheel wells into account if they protrude into the bed.
  3. Depth: While less critical, knowing the depth can help if you’re considering a thicker mattress.


Understanding what size mattress fits in a truck bed is more than just a trivial question - it’s the key to ensuring comfort and convenience on your road trips. From the compact Twin to the sprawling King, your choice will depend on a variety of factors including the dimensions of your truck bed, your personal comfort needs, and even the presence of wheel wells.

Use our store locator to find the closest furniture or mattress store near you and feel the cloudlike comfort of our Puffy Mattress in person.

But with a little research and perhaps a tape measure, you can confidently select the mattress that will make your mobile sleeping space feel just like home - or even better. So go ahead, chart your course for the unknown; just make sure you’re well-rested when you get there.

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