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Quick answer
A king mattress is 76 by 80 inches per Amerisleep. The Zinus Billie king is 80 by 79.8 by 42 inches with four under-bed drawers and a headboard that sets at 38, 40 or 42 inches. The Kartivo king with four drawers is 84.4 by 78 by 41 inches and 94 pounds, and its listing gives no drawer size. The AFI add-on drawers are 20.55 by 39.76 by 8.07 inches each with a limit of 100 pounds. A king bed is about 80 inches wide with its frame; in a 12 by 12 foot room that leaves 32 inches on each side.
Quick compare: the products in this guide
Sizes come from the Amazon listings as we read them; check the product page for the current details before you buy.
| Product | Listed details | Link |
|---|---|---|
| Zinus Billie Platform Bed Frame, Four Underbed Storage Drawers, King | 80 x 79.8 x 42 in; 4 drawers | See details on Amazon Affiliate link |
| Kartivo King Bed Frame with 4 Storage Drawers, Upholstered Platform Bed, Beige | 84.4 x 78 x 41 in; 94 lb | See details on Amazon Affiliate link |
| AFI, Mid-Century Modern Under Bed Storage Drawers, Queen/King/Twin XL, Light… | 20.55 x 39.76 x 8.07 in; 100 lb | See details on Amazon Affiliate link |
How drawers under a king bed work
Zinus describes wired-base drawers that glide on wheels and lock. A king bed’s drawers sit at the foot or the sides; the Zinus listing does not say which, so ask. Drawers that pull out toward the foot need space at the foot, and drawers at the sides need space beside the bed. Add-on drawers like the AFI set slide under a frame you own and need 8.07 inches of clearance.
Worked example: floor space and drawers
This is our own arithmetic.
- Width. The Zinus bed at 79.8 inches is 3.8 inches wider than a 76 inch mattress. In a 144 inch room, a bed centered on a wall leaves (144 minus 79.8) divided by 2, which is 32.1 inches each side.
- Floor. The Zinus footprint of 80 by 79.8 inches is 6,384 square inches, or 44.3 square feet, 31 percent of a 12 by 12 foot room; the Kartivo at 84.4 by 78 is 45.7 square feet, 32 percent.
- Drawer pull-out. If a drawer pulls out 25 inches (our assumption), a side drawer leaves 32.1 minus 25, which is 7.1 inches to stand in; a drawer at the foot needs 25 inches beyond the bed’s end.
- Add-on volume. An AFI drawer at 20.55 by 39.76 by 8.07 inches is 6,593 cubic inches, or 3.8 cubic feet; a pair is 7.6.
- Weight. The Kartivo four-drawer bed weighs 94 pounds, which is light for a king bed with four drawers; ask whether that is one carton.
What the listings say
Zinus Billie Platform Bed Frame, Four Underbed Storage Drawers, King, Height Adjustable Headboard, Upholstered Style (ASIN B0FM7NTJ1H). The table gives engineered wood, foam, polyester and stainless steel, 80 by 79.8 by 42 inches, four drawers and dark grey. The bullets say woven fabric upholstery over foam and a steel frame, a foam-filled headboard that sets at 38, 40 or 42 inches with an included tool, and four gliding wire-base drawers on wheels with locking. Best for: a king bed with stated headboard heights and four drawers. Watch out: no drawer sizes and no weight in the text we read.
Kartivo King Bed Frame with 4 Storage Drawers, Upholstered Platform Bed, Beige (ASIN B0HG9BQ3NW). The table gives 84.4 by 78 by 41 inches, 94 pounds, four drawers and a metal material. The listing text is template wording with no drawer sizes. Best for: a bed with four drawers if the seller confirms the details. Watch out: see our upholstered king bed storage guide on the same seller’s odd weights.
AFI Mid-Century Modern Under Bed Storage Drawers, Queen, King, Twin XL, Light Toffee (ASIN B0CZF5VGYP). The table gives 20.55 by 39.76 by 8.07 inches, two items and a limit of 100 pounds. Best for: adding drawers to an existing king frame. Watch out: the frame needs 8.07 inches of clearance.
How the three compare
| Listing | Type | Drawers | Size | Weight |
|---|---|---|---|---|
| Zinus Billie | Bed | 4 gliding, locking | 80 × 79.8 × 42 in | Not stated |
| Kartivo | Bed | 4 | 84.4 × 78 × 41 in | 94 lb |
| AFI add-on | Drawers only | 2 per set | 20.55 × 39.76 × 8.07 in each | 100 lb max |
Questions to ask
Ask for the Zinus’s weight and drawer dimensions, where the drawers sit, the Kartivo’s drawer sizes and carton count and whether the AFI limit is per drawer. For all, a written answer is worth keeping.
How to choose
Decide between a bed and add-ons. A bed is a finished piece; add-ons keep your frame.
Check the pull-out room. Use the example with your wall.
Check the headboard. The Zinus offers three heights.
Check the weight and delivery. A king drawer bed is heavy.
Installing add-on drawers
Add-on drawers are simple but need a few checks. Measure the clearance under your frame at the legs and at the middle, since a center support or a slat bar can reduce it below the 8.07 inches the AFI drawers need. Measure the space between the legs along the side of the bed, since the drawer is 39.76 inches wide and 20.55 deep. Check that the floor is flat and that the drawers’ rollers, which the AFI listing describes as non-marking, glide on it. Slide one drawer in and out before you load it.
Moving a king drawer bed
A king drawer bed is a large, heavy piece. The Zinus listing describes locking drawers, which stay shut while you move the bed; ask whether the drawers can be taken out and carried separately. The Kartivo listing gives 94 pounds for the whole bed, which suggests a lighter build or a single carton’s weight; ask. When you move house, remove the drawers and the headboard first and carry them separately.
Choosing between them
If you want a finished piece with a headboard that adjusts, the Zinus Billie is the one whose listing gives that detail. If you want to keep your frame, the AFI add-on set gives 7.6 cubic feet for a pair. If you want the lowest-effort choice and are willing to confirm details with the seller, the Kartivo may do, but its listing gives you the least to plan with.
Mistakes to avoid
Counting drawers as capacity. Ask for sizes.
Forgetting the foot of the bed. Foot drawers need space.
Using an add-on set without clearance. 8.07 inches under the frame.
Trusting an odd weight. 94 pounds for four drawers is a question.
When a different bed is better
For a queen, see queen bed with storage. For a cal king, see california king platform bed with storage. For open space, see king platform bedframe.
To choose, imagine using each. With the Zinus, you open a drawer by pulling it on its wheels, and lock it when you are done; the listing says the headboard can be set to three heights with an included tool. With the Kartivo, you have four drawers and a bed whose listing says little. With the AFI set, you slide two drawers under a frame and they sit side by side or at the foot.
Consider also the mattress height. A bed with drawers underneath is usually higher than a floor bed, and the Zinus lists a headboard height of 38 to 42 inches. If your mattress is thick, set the headboard to 42. Check that the drawers clear the floor and do not catch on a rug; wheels roll on a hard floor and may stick on a thick pile.
Finally, think about delivery and space. A king bed is large. Measure the stairs and the doorway, and plan for two people. When the bed arrives, check the drawers slide before you assemble the rest, since a stuck drawer is easier to fix before the bed is built.
If you are still unsure, mark the drawer pull-out on the floor with tape. A drawer of 25 inches (our assumption) outlines a rectangle beside the bed; stand in it and see whether you could reach a drawer and open it fully. That test answers more than a table, and it costs nothing.
One more detail is the headboard fixings. The Zinus listing says the headboard height is set with an included tool, which suggests the headboard is bolted at set holes; check that the bolts are tight after a few weeks, since a loose headboard rattles against the wall and the noise can be mistaken for the frame.
Frequently asked questions
Are there king beds with drawers?
Yes: the Zinus Billie with four drawers and the Kartivo with four, plus add-on sets.
How do the Zinus drawers work?
The listing says they glide on wheels and lock.
How big are the drawers?
The AFI add-ons are 20.55 by 39.76 by 8.07 inches; the beds’ listings give no sizes.
How high is the Zinus headboard?
38, 40 or 42 inches, per the listing.
How much room does a king drawer bed need?
Amerisleep suggests 12 by 12 feet; the beds take about 31 to 32 percent of that.
Do they need a box spring?
The Zinus title says no box spring is required.
Products worth checking
We have not tested these products. Sizes and features come from the Amazon listings as we read them; where a listing does not say, we say so.
Zinus Billie Platform Bed Frame, Four Underbed Storage Drawers, King
- Keep in mind: we have not tested it, and the listing may show more than one size or finish, so pick the variant that matches your numbers.
Kartivo King Bed Frame with 4 Storage Drawers, Upholstered Platform Bed, Beige
- Keep in mind: we have not tested it, and the listing may show more than one size or finish, so pick the variant that matches your numbers.
AFI, Mid-Century Modern Under Bed Storage Drawers, Queen/King/Twin XL, Light Toffee
- Keep in mind: we have not tested it, and the listing may show more than one size or finish, so pick the variant that matches your numbers.
Sources checked
Specifications come from the Amazon listings as we read them for this guide. Product details and availability can change, so confirm on the product page before you buy.
