A full bed with trundle is the smartest square-footage trick in the bedroom: you get a comfortable full-size sleep surface every night, plus a second twin bed that hides completely underneath and rolls out only when you need it. For 2026 we tested and compared the most popular options for sleepovers, guest rooms, and small shared bedrooms — weighing frame sturdiness, how smoothly the trundle actually glides, how low the pull-out sits, and whether each one still looks like a real bed rather than a bunkroom leftover. Below are our top picks, followed by a complete buying guide so you can match the right trundle bed to your room and your sleepers.
The Best Full Beds with Trundle at a Glance
Max & Lily Full Bed with Trundle
- Solid pinewood frame that doesn't sway when kids climb on it
- Trundle rolls out smoothly on hidden casters
- Passes as a normal full bed when the trundle is tucked away
- Assembly is a two-person, two-hour job
- Natural wood finishes show scuffs over time
DHP Manila Full Metal Bed with Trundle
- Very affordable for a two-bed setup
- Metal slat system supports a mattress with no box spring
- Compact footprint fits under low ceilings
- Trundle sits close to the floor, so it's a low sleep surface
- Center support could use an extra leg for heavier adults
Walker Edison Full Bed with Roll-Out Trundle
- Contemporary design that outgrows the 'kid bed' look
- Multiple finish options to match existing decor
- Trundle glides on smooth wheels
- Engineered wood panels are less forgiving of moisture
- Hardware bag can be light on spares
Storkcraft Long Horn Full Bed with Trundle
- Sturdy enough to last from childhood to teens
- Trundle bay works as storage when not in use
- Classic slat headboard suits any room theme
- Only ships in a couple of finishes
- Trundle mattress not included
Novogratz Bushwick Full Bed with Trundle
- Slim profile saves precious floor space
- Doubles as a stylish daybed by day
- Sturdy metal frame for the size
- Best suited to lighter sleepers
- Fewer color options than the wood models
Harper & Bright Designs Full Bed with Twin Trundle & Drawers
- Trundle plus built-in storage drawers
- Solid wood frame feels premium
- Great space efficiency for tight rooms
- Heaviest bed here to assemble and move
- Drawers reduce under-bed clearance for cleaning
Why choose a full bed with a trundle?
The appeal is simple math. A full mattress measures 54″ x 75″, giving one sleeper genuine elbow room or two kids a shareable surface. Add a trundle and you’ve tucked an entire second twin bed (38″ x 75″) into the exact same floor footprint. When it’s not in use, the trundle vanishes — no bunk ladder to fall off, no second frame eating up the room. That makes this format ideal for three situations: a kid’s room that hosts frequent sleepovers, a guest room that must occasionally sleep two, and a small shared bedroom where two children need beds but there’s only room for one.
If you’re weighing this against other space-savers, it’s worth reading our guides to the best trundle beds overall and the best daybeds, which pair beautifully with a trundle. For rooms with vertical space to spare, a bunk bed may fit more sleepers — but a trundle wins on safety and looks.
Full-with-trundle sizing: what actually fits
The number one surprise for buyers is that the trundle is almost always a twin, not a second full — a full-under-full trundle would be too wide and heavy to roll. Here’s how the surfaces stack up so you can plan sheets and clearance.
| Surface | Dimensions | Sheet size to buy | Typical use |
|---|---|---|---|
| Main full bed | 54″ x 75″ | Full / double | Everyday sleeper or two kids |
| Pull-out trundle | 38″ x 75″ | Twin | Guest or sibling, on demand |
| Combined footprint (open) | ~92″ x 75″ | — | Plan ~8 ft of clear floor width |
Measure the room with the trundle extended, not stored. You need roughly three feet of clear floor beside the bed for the pull-out plus a person standing next to it. For a fuller breakdown of every mattress size, see our bed sizes and dimensions guide and the dedicated full-size mattress dimensions page.
How to choose: the full decision tree
Frame material — wood vs. metal
Solid-wood frames (pine is most common) are heavier, quieter, and take years of climbing without developing a squeak or sway; they cost more and show scuffs. Powder-coated steel frames are lighter, cheaper, and slimmer, but the good ones still need a solid center support so an adult guest doesn’t feel the deck flex. If the bed will host rowdy kids nightly, spend up for wood. If it’s an occasional guest setup, quality metal is fine.
How the trundle rolls
This is where cheap beds fail. Look for a trundle mounted on caster wheels rather than one that drags across the floor on plastic feet — the wheeled versions roll out one-handed and won’t gouge hardwood. Also check whether the trundle locks flush under the frame; a loose trundle creeps out and becomes a shin-barker.
Trundle height and mattress limits
Because the trundle stows under the main bed, it can only accept a low-profile mattress — usually 6″ to 8″ thick. A tall mattress won’t clear the frame rails. The trundle also sleeps close to the floor, which is great for young kids but less comfortable for older adults with mobility issues. Some models add pop-up legs that raise the trundle level with the main bed; if you’ll host adult guests, those are worth seeking out.
Slats and the box-spring question
Most full-with-trundle frames use closely spaced slats on both the main deck and the trundle, which means you can skip a box spring on both and just add mattresses. Confirm the slat spacing is under about 3 inches so a foam or hybrid mattress is fully supported and warranty-safe.
Style and room fit
Trundle beds have grown up. Minimalist headboards from brands like Walker Edison read as adult-guest-room furniture, while classic slat headboards suit a child’s room and grow with them. Pick a finish that will still look right when the six-year-old is sixteen — a bed this sturdy should last that long.
Weight capacity
Check both surfaces. Wood frames commonly support 250–400 lbs on the main bed; trundles typically hold 200–250 lbs. If an adult will sleep on the pull-out regularly, verify the trundle’s rating specifically rather than assuming it matches the top bed.
Comparison table: our full beds with trundle
| Model | Best for | Material | Trundle size | Price |
|---|---|---|---|---|
| Max & Lily Full with Trundle | Kids’ & teens’ rooms | Solid pine | Twin | $$$ |
| DHP Manila | Budget guest rooms | Metal | Twin | $$ |
| Walker Edison Full with Trundle | Modern style | Wood / MDF | Twin | $$$ |
| Storkcraft Long Horn | Growing kids | Solid pine | Twin | $$$ |
| Novogratz Bushwick | Small guest rooms | Metal | Twin | $$ |
| Harper & Bright w/ Drawers | Storage + sleep | Solid wood | Twin | $$$ |
Setup, care, and mistakes to avoid
Budget two people and up to two hours for assembly on the wood models; the steel frames go faster. Once built, the two most common mistakes are buying a trundle mattress that’s too thick to clear the rails, and forgetting to buy a twin (not full) mattress and sheets for the pull-out. Vacuum the trundle bay periodically — it’s a magnet for dust and lost socks — and check the caster wheels and center-support hardware every few months, since that’s what loosens first on any bed kids jump on. Rotate both mattresses seasonally to even out wear.
Still deciding on the format? Compare against a dedicated twin bed frame or two, browse our best bed frames pillar, and if the trundle is for regular guests, pair it with one of our best mattresses under $500 so the pull-out is as comfortable as the main bed. You can also read how we test every bed we recommend.
Ready to double your sleeping space?
Our top full bed with trundle balances a rock-solid frame with a smooth-rolling pull-out that's ready for guests in seconds.
Check price on AmazonDoes a full bed with trundle come with mattresses?
Almost never. The frame ships on its own, so you’ll buy a full mattress for the main bed and a low-profile (6–8 inch) twin mattress for the trundle separately. Confirm the trundle’s maximum mattress thickness before ordering.
Can two adults sleep on a full-with-trundle setup?
Yes, but comfortably only if you check the ratings. The full surface fits one adult with room to spare or two smaller adults; the twin trundle suits one adult. Look for a model with pop-up trundle legs if an adult guest wants a bed at normal height.
How much floor space do I need?
Plan for the open footprint of roughly 92 inches wide by 75 inches deep, plus about three feet of clearance on the trundle side so the pull-out can extend and someone can stand beside it.
Do I need a box spring?
Usually not. Most of these frames use closely spaced slats on both the main bed and the trundle, so foam or hybrid mattresses are fully supported. Verify slat spacing is under about three inches.
Is a trundle bed safer than a bunk bed?
For young kids, generally yes — there’s no elevated bunk to fall from and no ladder. A trundle keeps both sleepers low to the ground while still saving floor space.
What mattress thickness fits the trundle?
Most trundles accept a 6- to 8-inch mattress. A thicker mattress won’t clear the frame rails when you roll the trundle back under the main bed, so stick to low-profile options.
How hard is assembly?
The metal frames go together in under an hour; solid-wood models are a two-person job that can take up to two hours. Keep the hardware organized and follow the sequence exactly.
Can the trundle be used for storage instead of a bed?
Yes. When there’s no second sleeper, many owners use the trundle bay for bedding, toys, or seasonal storage, then reclaim it as a bed for sleepovers.
Sophie Laurent
Sophie Laurent is TalkBeds' Beds & Bedroom Editor. With more than ten years covering home and furniture, she leads everything on the site that isn't the mattress itself: bed frames, platform beds, headboards, bunk and kids' beds, sizing, and the interiors decisions… Full profile & sources →