Mattress sizes
Texas King Mattress Dimensions
Quick answer
A Texas King mattress measures 80 inches wide by 98 inches long (203 by 249 cm), which is 54.4 square feet of sleeping surface. Shared by two people that is 40 inches each. This is a specialty size rather than a standard one, so dimensions vary between manufacturers.
The texas king is a specialty size, which means the 80 by 98 inch figure below is typical rather than guaranteed. The numbers that actually decide whether it works in your bedroom are the room it needs and the height it ends up at, both of which are below.
What are the exact texas king mattress dimensions?
| Measurement | Inches | Centimetres | Feet |
|---|---|---|---|
| Width | 80 | 203 | 6.7 ft |
| Length | 98 | 249 | 8.2 ft |
| Sleeping area | 7,840 sq in | 50,547 sq cm | 54.4 sq ft |
| Width per sleeper | 40 in | 102 cm | 3.3 ft |
Convention, not a standard
This is widely repeated guidance rather than a measured standard. Treat it as a starting point.
How much room does a texas king bed need?
Add about 3 inches of frame on each side, then the walking clearance you want. The convention is 24 inches to squeeze past and 30 or more to be comfortable.
| Clearance on each side | Room width needed | Room length needed |
|---|---|---|
| 24 in | 134 in (11.2 ft) | 128 in (10.7 ft) |
| 30 in | 146 in (12.2 ft) | 134 in (11.2 ft) |
| 36 in | 158 in (13.2 ft) | 140 in (11.7 ft) |
Convention, not a standard
This is widely repeated guidance rather than a measured standard. Treat it as a starting point.
Assumes a frame about 3 inches wider than the mattress on each side, clearance on both sides and at the foot, and the headboard against a wall. Check yours with Room Size and Clearance Calculator.
How does a texas king compare to other mattress sizes?
| Size | Width (in) | Length (in) | Area (sq ft) | Standard size |
|---|---|---|---|---|
| Texas King (this page) | 80 | 98 | 54.4 | No |
| Twin | 38 | 75 | 19.8 | Yes |
| Twin XL | 38 | 80 | 21.1 | Yes |
| Full (Double) | 54 | 75 | 28.1 | Yes |
| Full XL | 54 | 80 | 30 | Yes |
| Queen | 60 | 80 | 33.3 | Yes |
| Olympic Queen | 66 | 80 | 36.7 | No |
Industry standard
These are standard published dimensions, the same across manufacturers.
Which mattresses come in texas king?
We do not currently list a mattress that publishes texas king as its size, which is normal for a size this uncommon. The mattresses below are the ones we do list, in other sizes. Check the size on the product page before ordering, and expect a texas king to need a specialty retailer.
Novilla Twin XL Mattress
$96.998 inch twin xl memory foam.
Check price on Amazon
Novilla 8 Inch Twin Mattress
$104.998 inch twin memory foam.
Check price on Amazon
EGOHOME 8 Inch Twin Mattress
$109.998 inch twin memory foam, medium firm feel as the maker describes it.
Check price on AmazonFrequently asked questions
What are the dimensions of a texas king mattress?
A texas king mattress measures 80 inches wide by 98 inches long, or 203 by 249 centimetres. That works out to 54.4 square feet of sleeping surface. This is a specialty size, so confirm the exact figures with the manufacturer before buying a frame or bedding for it.
How big a room does a texas king bed need?
For comfortable movement, allow the mattress plus about 3 inches of frame on each side plus 30 inches of walking clearance. For a texas king that means roughly 146 inches of room width and 134 inches of length. You can get away with 24 inches of clearance, but a nightstand will crowd it.
What size sheets fit a texas king mattress?
Buy sheets labelled texas king. The fitted sheet also has to clear the depth of the mattress, so check the pocket depth separately: standard pockets fit up to 12 inches, deep pockets 13 to 17 inches, and extra deep pockets 18 to 22 inches. A topper adds its full thickness to what the sheet must clear.
Is a texas king long enough for a tall person?
A mattress should be about 4 to 6 inches longer than the tallest sleeper. At 98 inches, a texas king suits someone up to roughly 94 inches tall, which is 7 feet 10 inches. Above that, look at an even longer specialty size.
Does texas king refer to thickness as well?
No. Size describes only the width and length. Thickness is separate and ranges from about 6 inches to over 16, with 9 to 12 inches counting as standard. Thickness changes the total height of the bed and the sheet pocket depth you need, but it never changes the 80 by 98 inch footprint.
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.