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Mattress Size Reference Guide
MATTRESS SIZE REFERENCE GUIDE
The International Sleep Products Association (ISPA) is a trade association comprised of mattress manufacturers and suppliers. Like many other major brands, Paramount Sleep is a long-standing partner of ISPA. ISPA’s goal is to support innovation and growth across the sleep products industry.
ISPA has established standards for mattress sizes that includes allowable variances. Below is a detailed explanation of these standards.
ISPA VARIATION STANDARDS
Paramount Sleep adheres to ISPA standards and sizing variances on all mattress designs. The chart below outlines mattress sizes as per industry standards with acceptable variance ranges.
|
Finished Mattress Sizing Variations As Per ISPA Standards |
|||||||
| Mattress Size |
Industry Standard Dimensions (+/-1/2") |
Allowable Variance (Length & Width) |
Measurement With Variance | ||||
| Width | Length | ||||||
|
Twin |
38" x 74.5" | -0.5" | 37.5" | 74" | |||
| TwinXL | 38" x 79.5" | -0.5" | 37.5" | 79" | |||
| Full | 53" x 74.5" | -0.5" | 52.5" | 74" | |||
| Queen | 60" x 79.5" | -0.75" | 59.25" | 78.75" | |||
| King | 76" x 79.5" | -0.75" | 75.25" | 78.75" | |||
| Cal King | 72" x 83.5" | -0.75" | 71.25" | 82.75" | |||
*All dimensions arein inches.
*If a ”bunkie” foundation is used, it shall have the same width, length, and tolerances as the finished twin-size box spring.
*Finished sizes are measured from outside to outside of tape edge at the centerlines of the width and length.
*The distance is measured between extreme outside edges of finished construction.
*The following dimensional tolerances apply to both lengthand width: up to 60″, + 3/4″, -1/2″; over 60″, + 1″, -3/4″; the comer radius is 3″.
Why Buy a King Mattress from Rooms To Go?
Looking to improve your bedroom? King mattresses provide ample space and sumptuous comfort. Whether you're in need of a bed for two or a place to spread out by yourself, a king mattress from Rooms To Go cradles and cushions your body to give you a great night's sleep. Choose from a variety of the best selling and best rated brands, like our own Beds To Go bed in a box models, as well as trusted names like Sealy Posturepedic and Casper. Find the best affordable fit for you, with good deals and low prices on brands like:
- Beautyrest
- Beautyrest Black
- Casper
- Purple
- Serta
- iComfort
- Nectar
- Serta Perfect Sleeper
- Stearns and Foster
- Tempur-Pedic
- Therapedic
Our king size mattress collection employs the latest technologies to create the optimal rest environment. New memory foam deliver superior support and gel mattresses specialize in wicking away moisture. For more rigidity and bounce, try latex. Browse pillowtop mattresses, as well as tried and true innerspring and split king beds. Advanced fabrics in some performance king mattresses also protect against dust, odors and stains for a fresh and healthy sleep surface.
Shop a range of mattress thicknesses as well, from medium 8 inch, 10 inch and 12 inch mattresses, to super thick 14 inch and 16 inch models. Or add the ultimate in comfort, an adjustable base.
Advanced premium fabrics also protect against dust, odors, and stains for only the freshest and healthiest sleep surface. Firm options supply an even surface ideal for sleeping on your stomach or back. Softer plush models suit side sleepers since they cushion pressure points and align the spine. From ultra plush/extra soft, extra firm to medium firm, our range of king mattresses and luxury mattress sets includes the right fit for you.
