How To Move From A Double To A King Size Bed Without Changing The Headboard?

Table of Contents

Topic CoveredKey Takeaways
Upgrade ImpulseReasons to upgrade include improved sleep quality, comfort, and aesthetic appeal.
Room ReadinessMeasure room dimensions and consider the bed’s dimensions for a proper fit.
Transition TacticsDIY solutions, bed frame converters, and bed skirts or valances can help in the transition.
Nitty-Gritty DetailsConsider safety precautions, sleep experience, and perform a cost analysis for your choices.

Hey, Snooze Maestros and Dream Divas! Lewis here from Dream HQ. Are you craving the sprawling luxury of a king-size bed but don’t want to part ways with your cherished headboard? Today, we’re diving deep into the mattress layers to explore this nocturnal conundrum. Buckle up, it’s going to be a dreamy ride!

The Royal Upgrade: Double to King

First off, you might be thinking, “Why even bother upgrading?” Simply put, a king size bed can offer you more space, and better sleep quality. But if you’re still contemplating whether to make the move or not, our guide on choosing between a double and king size bed can help you out.

Did you know? That double beds are know as full beds. Now you Know a little bed jargon.

Measure Twice, Dream Once

Before you start imagining yourself in a king-size sleep haven, you need to measure your current bed frame and headboard. This is crucial to ensure it can accommodate your soon-to-be-acquired king size mattress. The criteria for purchasing a double bed can give you some handy pointers.

Secure that Headboard

Once you’ve got your measurements, it’s time to bolt your existing headboard to the new, longer bed rails. Yes, you heard it right. You can actually replace your current bed rails with ones designed to house a king size mattress. Handy, right? If your existing hardware doesn’t fit, you’ll have to pop down to the hardware store for some new bolts and nuts. But hey, that’s a small price for keeping that headboard you adore, isn’t it?

Laying the Foundation

After the headboard is secured, lay your new box spring and mattress onto the frame. Voila, you’re almost in the kingdom of superior sleep! Adjust the bedding, and you’re good to go. Not sure if your slats will hold? Our guide to keeping slats from dropping might just save your night.

Plan B: Conversion Kits

Now, if you’re not keen on changing bed rails or dealing with hardware, a conversion kit could be your knight in shining armour. These kits can convert your current bed frame to accommodate a larger mattress. However, not all frames are compatible, so check that out before you splash the cash. Our article on putting a king size mattress on a double bed has some great tips on this.

Safety, Always!

Regardless of which route you go down, safety should be your top priority. A few simple precautions can make a world of difference. For some pro tips on securing your headboard, check out this external guide.

The Financial Side of Dreamland

So, what’s the damage to your wallet going to be? Well, that depends on your choice of method and materials. But if you’re keen on doing some bedroom math, our guide on upgrading your bedroom with a stylish double bed is a fabulous resource.

Before you go, check out our Resource Roundup for more dreamy reads:

Why And How Of Upgrading

The Upgrade Impulse: Exploring the Reasons to Switch from a Double to a King

Sleep Quality

  • A king size bed offers more space to move around, reducing the chances of disturbing your partner’s sleep.
  • A larger bed can help reduce motion transfer, meaning you’re less likely to feel your partner’s movements during the night.


  • A king size bed provides more space to stretch out and get comfortable.
  • A larger bed can help alleviate pressure points, leading to a more comfortable sleep.


  • A king size bed can make a room look more spacious and luxurious.
  • A larger bed can be a focal point in a room and add to the overall aesthetic.

King vs Double: A Close Look at Bed Dimensions


  • A king size bed can accommodate more people, including children and pets.
  • A larger bed can be used for other activities besides sleeping, such as reading or watching TV.


  • To move from a double to a king size bed without changing the headboard, you can purchase longer bed rails that can accommodate the larger mattress and secure the headboard to the new bed rails using bolts and nuts.
  • Alternatively, you can use a conversion kit to convert your current bed frame to a larger size, but it’s important to check the compatibility before purchasing.

Summary Table

Aspects to ConsiderDouble BedKing Size Bed
SpaceLimited, ideal for a single adultAmple, ideal for couples, children, and pets
ComfortLess room to stretch outMore space for comfort and reduced pressure points
AestheticLess likely to be a room focal pointCan enhance room aesthetic and serve as a focal point
VersatilityLimited to fewer activitiesSuitable for various activities like reading and watching TV
Compatibility with HeadboardAlready compatibleCan be made compatible with longer bed rails or a conversion kit

Prepping for the Big Move

Room Readiness: Measuring Room Dimensions for Your New Sleep Palace

Before you bring home your new throne of slumber, there are some crucial measurements to be taken.

  • Room Size: The minimum room size for a king bed, according to, is 12 feet by 9 feet 10 inches. Yet, most designers recommend leaving about 24 inches of space around each side of your bed to avoid a claustrophobic vibe.

  • Bed Dimensions: A standard king size bed is 80 inches long and 76 inches wide. So, ensure you have at least 30 inches and a comfortable clearance of 36 inches around the perimeter of your dream castle.

  • Headboard Compatibility: A king size headboard is generally 79 to 81 inches wide. Make sure it aligns perfectly with the width of your bed for that seamless look.

Functionality Check: How Versatile is Your Existing Setup?

  • Adaptability: Will a larger bed fit in your room without turning it into an obstacle course? Will your current furniture make friends with your new bed?

  • Durability: It’s essential to check if your bed frame and headboard are up to the task. The last thing you want is a wobbly headboard ruining your sleep groove.

Aesthetic & Compatibility: Ensuring Your Headboard Still Fits the Vibe

Now that you’re sure about sizes and spaces, let’s talk about the vibe. Your headboard should not only physically fit but also aesthetically align with your new bed.

Installation Considerations

  • Ease of Assembly: Nobody wants to spend an entire weekend setting up a bed. Check how user-friendly the installation process is.

  • Tools and Hardware: Make a list of any additional tools or hardware that you may need. Being prepared can save you a midnight run to the hardware store.

Summary Table

Room SizeMinimum 12 feet by 9 feet 10 inches, ideally with 24 inches clearance around the bed.
Bed Dimensions80 inches long and 76 inches wide.
Headboard CompatibilityShould align with bed width, typically 79 to 81 inches wide.
AdaptabilityRoom should accommodate the new bed without affecting functionality.
DurabilityFrame and headboard should be sturdy enough to support a larger mattress.
InstallationConsider ease of assembly and any additional tools or hardware required.

The Transition Tactics

DIY Wonders: Crafting Your Own Solutions to Fit a King Mattress on a Double Frame

Hey there, crafty dreamers! If you’re a DIY aficionado and the idea of spending heaps on a new frame makes you cringe, here are some ways to fit that majestic king mattress on your humble double frame:

  • Mattress Converter: These are foam pads designed to sit atop your existing mattress, magically transforming your double into something fit for a king—or at least, a larger mattress size.

  • Longer Bed Rails: Swap out your regular rails for longer ones specifically designed to accommodate a larger mattress. It’s like giving your bed a growth spurt!

  • Bed Frame Converters: These are metal brackets that extend the length of your existing frame. Just make sure they are compatible with your bed frame model.

Converter Chronicles: The Reliability and Functionality of Bed Frame Converters

If you’re wondering about the long-term reliability of bed frame converters, fret not! These little gadgets are typically quite sturdy. However, it’s crucial to make sure the converter is compatible with your existing bed frame and can support the weight of your new mattress.

The Skirt & Valance Tango: Using These Accessories to Bridge the Size Gap

A bed skirt or valance isn’t just for show; it can be a functional element in your bed-upgrade journey. By covering the gap between the mattress and the frame, it adds a polished look and keeps those pesky dust bunnies at bay.

Professional Services: When DIY Just Won’t Do

If you’d rather not risk a DIY disaster, there are professionals who specialize in bed conversions. They’ll make sure everything’s aligned, tightened, and up to code, leaving you to enjoy your new bed kingdom without any stress.

Summary Table: Your Go-To Guide for Bed Upgrades

Transition MethodProsCons
Mattress ConverterEasy to use, cost-effectiveMay not offer the same support as a full-size mattress
Longer Bed RailsSturdy, maintains original frameNeeds precise measurements for compatibility
Bed Frame ConvertersExtendable, versatileCheck compatibility and weight limits
Professional ServicesSafe, efficient, and stress-freeMay be more expensive

The Nitty-Gritty Details

Box Spring Ballet: How to Place and Adjust Your Box Spring for a King Size Mattress

Alright, snooze aficionados, let’s talk box springs and bases. This isn’t just an under-the-mattress affair; it can make or break your sleep experience.

Safety Precautions

  • Lifting: When moving your box spring, employ proper lifting techniques to avoid becoming the star of a tragic back-pain saga.
  • Stability: Make sure that the box spring sits snugly and securely on the bed frame. No one wants a midnight box spring escape act.

Sleep Experience

  • Shock Absorption: A box spring acts like the shock absorbers in your car, providing that extra layer of comfort.
  • Customisation: Consider an adjustable base for tailored comfort. Perfect for those who want their bed to be a multipurpose haven.

Pros, Cons, and Costs: The Advantages and Drawbacks of Each Method

Box Spring

  • Pros: Cost-effective and traditional. Like your grandma’s apple pie, but for sleep.
  • Cons: Might not be the best for sleepers with specific health concerns like back pain.

Adjustable Base

  • Pros: Offers a myriad of customization options. Think of it as the Swiss Army knife of bed bases.
  • Cons: Heavier on the wallet. It’s an investment, not just a purchase.

Cost Analysis

  • Box Spring: Generally less expensive but varies depending on brand and size.
  • Adjustable Base: More expensive, but can be a worthy investment for those who are all about that customised comfort life.

Summary Table: Box Spring vs. Adjustable Base

Box SpringCost-effective, traditionalMay not suit those with specific health issues£
Adjustable BaseCustomisable, multipurposeMore expensive£££


Can you put a king size headboard on a double bed?

Yes, you can technically attach a king-size headboard to a double bed frame. However, it may look a bit like a crown on a teddy bear—adorable but not quite fitting. The proportions might be off, making your bedroom design feel unbalanced.

Can you switch out headboards?

Absolutely, you can switch out headboards like you change pillowcases. The key is to ensure compatibility with your bed frame. So, before you go on a headboard shopping spree, measure twice and buy once!

How do you move a bed with a headboard?

Ah, the moving conundrum! Disassemble the bed and wrap the headboard in bubble wrap or blankets. This keeps your precious headboard safe from nicks and scratches during the move. Kind of like a sleep helmet for your furniture.

How do you attach an old headboard to a new bed frame?

Rekindling old flames, eh? To attach an old headboard to a new bed frame, get screws or bolts that fit and a drill or screwdriver. Drill holes into the frame and secure the headboard with your hardware. It’s a match made in sleep heaven!

How do I upgrade my existing headboard?

Ready for a headboard makeover? Slap on a new coat of paint, reupholster it with luxe fabric, or add some bling like decorative trim or nailhead accents. It’s like giving your bed a mini facelift!

Dream Wrap-Up: Your Passport to a King-Size Sleep Palace

Hey dreamers, it’s time to wrap up this sleep-inducing journey. We delved into the why, how, and what-the-heck of transitioning from a double to a king-size bed without kicking your headboard to the curb. We tackled:

  • The Upgrade Impulse: Unearthed the reasons for wanting a roomier bed.
  • Room Readiness: Measured up your sleep palace to ensure your king bed doesn’t turn it into a cramped cave.
  • Transition Tactics: Dished out DIY tricks, converter hacks, and the lowdown on bed skirts and valances.
  • The Nitty-Gritty Details: Talked about the box spring ballet, safety precautions, and got real about costs.

If you’ve been teetering on the edge of decision, consider this your nudge into the cushy world of king-sized comfort. Whether you’re a DIY guru, a bed skirt aficionado, or someone who’d rather call in the pros, we’ve got you covered.

Until next time, may your dreams be as lofty as your new king-size bed!

– Article by Lewis Hugh

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