Bed height
Bed Height With a 7 Inch Frame, No foundation (platform slats) and a 14 Inch Mattress
Quick answer
A 7 inch frame deck, no foundation and a 14 inch mattress add up to a total bed height of 21 inches to the top of the mattress. In the range most adults find easy to sit down on and rise from.
Total bed height is simple addition, and it is the number that decides whether the bed is easy to get out of. This combination lands in the range most adults find comfortable.
How the height adds up
| Layer | Height (in) |
|---|---|
| Frame deck height | 7 |
| No foundation (platform slats) | 0 |
| Mattress thickness | 14 |
| Total to top of mattress | 21 |
Calculated
These figures are calculated from the numbers shown, not quoted from a manufacturer.
Is that a comfortable bed height?
In the range most adults find easy to sit down on and rise from. The convention is that a top-of-mattress height of 20 to 25 inches lets most adults sit on the edge with their feet flat and their knees near a right angle. It is a guideline, not a standard, and the right height depends on your own leg length more than on any table.
To change it: swap the foundation (a low profile box spring saves 4 inches over a standard one), change the frame, or add bed risers to gain height. Run other combinations in Total Bed Height Calculator.
Parts that change this height
HOME IT 5 to 6-inch Black Bed Risers
$16.98Bed risers.
Check price on Amazon
Utopia Bedding Adjustable Bed Risers 3 & 5 Inch
$19.99Bed risers.
Check price on Amazon
TROZULER 5 Inch Box Spring for Queen Bed
$44.995 inch box spring in queen.
Check price on AmazonFrequently asked questions
How tall is a bed with a 7 inch frame and a 14 inch mattress?
With no foundation between them, the total is 21 inches to the top of the mattress. In the range most adults find easy to sit down on and rise from. Measure from the floor to the top of the mattress, because that is the surface you actually sit on.
What is a comfortable bed height?
The common guidance is 20 to 25 inches from the floor to the top of the mattress, which lets most adults sit with feet flat and knees bent near 90 degrees. Taller people are comfortable higher, and anyone with stiff knees or hips usually prefers the upper end because rising from a low bed is harder than from a high one.
Does box spring height matter?
It matters for total height and nothing else. A low profile box spring is about 5 inches and a standard one about 9, so swapping between them moves the whole bed by roughly 4 inches. It does not change support, because both carry the mattress the same way. Choose the profile that puts the mattress top where you want it.
How do I make my bed taller or shorter?
The quickest change is the foundation: going from a 5 inch low profile box spring to a 9 inch standard one adds about 4 inches. Bed risers add 3 to 8 inches under the legs. Going shorter usually means a platform frame with no foundation at all, or a thinner mattress.
How to read the numbers on this page. Standard mattress and bedding dimensions are industry-wide and the same across manufacturers. Guidance like replacement intervals, firmness by body weight and walking clearance is convention rather than a measured standard, and every table here says which it is. Where a manufacturer does not publish a figure we leave it out instead of estimating. This is not medical advice: a mattress is not a treatment for a medical condition, and persistent pain is a reason to see a clinician.