Wyoming King Bed
The Complete Size Guide – Dimensions, Sellers & What You Need to Know

The Wyoming King is a 7-foot by 7-foot (84" x 84") square mattress that offers significantly more space than a California King while fitting in more bedrooms than an Alaskan King.
Who It's For
- Couples who want more space than a King
- Families with one child or pet
- Tall sleepers who need length and width
- Those with medium-large bedrooms
Room Requirements
Measure your bedroom before ordering. Allow at least 2-3 feet on each side of the bed for walking space, plus room for nightstands and other furniture.
Pros and Cons
Pros
- ✓Good balance of size and practicality
- ✓Fits in more bedrooms than Alaskan King
- ✓Square shape works any direction
- ✓More affordable than larger oversized options
Cons
- ✗Still requires a large bedroom
- ✗Limited retail availability
- ✗Custom bedding required
- ✗Harder to find frames than standard sizes
Where to Buy Wyoming King Beds
Last verified: February 2026
7 sellers currently offer Wyoming King beds. Most oversized beds are made-to-order and ship directly from the manufacturer.
| Seller | Price Range | |
|---|---|---|
Big Mattress Co. MattressFrameBedding | $2,000 - $5,000 | Visit |
OCOCHI Bedding | $1,500 - $4,000 | Visit |
Mattress Insider MattressFrameBedding | $2,000 - $4,500 | Visit |
Engineered Sleep MattressFoundation | $3,200 - $6,000 | Visit |
Custom Mattress Factory MattressFrameBedding | $2,000 - $5,500 | Visit |
Sleep Boutique / Von Viva MattressFoundation | $3,700 - $8,000 | Visit |
AdultBunkBeds.com FrameMattress | $2,000 - $8,000 | Visit |
Featured: Engineered Sleep
4th generation mattress makers - handcrafted in the USA since 1931. Use code BIGBED15 for 15% off.
Common Mistakes When Buying a Wyoming King
Ordering standard King bedding
A Wyoming King is 84" × 84" – a standard King is 76" × 80". The width difference is only 8 inches, which tempts some buyers to try standard King sheets. They won't fit properly. The 4-inch length difference on each side means fitted sheets won't stay tucked, and flat sheets won't drape correctly. Buy Wyoming King-specific bedding. See our Wyoming King sheets page.
Underestimating the weight difference from a standard King
A Wyoming King mattress weighs 90–160 lbs – notably heavier than a King (80–130 lbs). This matters for delivery and setup, especially on upper floors.
Assuming any King frame will work
A Wyoming King is 84" × 84" – square, and 8 inches wider and 4 inches longer than a standard King frame. You need a frame specifically built for Wyoming King dimensions. See our Wyoming King bed frames page.
Not checking if the seller ships to your area
Some Wyoming King sellers only ship within the contiguous US. If you're in Canada, Sleep Boutique (Calgary) is one of the few domestic options. Otherwise, check whether US sellers offer cross-border shipping.
Wyoming King Bedding Availability
The Wyoming King has fewer bedding options than the Alaskan King, but the essentials are covered:
Available
- ✓Sheet sets – OCOCHI, Wyoming King Beds, Mattress Insider, and Big Mattress Co. carry fitted and flat sheet sets. Materials include cotton, bamboo, and microfiber. Prices: $80–$300.
- ✓Comforters – OCOCHI and Wyoming King Beds offer Wyoming King comforters (84" × 84" or slightly oversized for drape). Big Mattress Co. also carries options.
- ✓Mattress protectors – available from OCOCHI and Wyoming King Beds.
Limited
- ✗Duvet covers specifically sized for 84" × 84" – available from OCOCHI and Wyoming King Beds, but selection is limited. An oversized King duvet (90" × 90" or larger) can work as an alternative.
- ✗Decorative bedding (shams, throws, bed skirts) – very limited in this size.
See our Wyoming King sheets page for a full comparison of what's available.
Frequently Asked Questions
How big is a Wyoming King bed?
A Wyoming King bed measures 84 inches by 84 inches (7 feet x 7 feet), providing 49 square feet of sleeping surface–about 30% more than a standard King.
What's the difference between Wyoming King and Alaskan King?
The Wyoming King is 84" x 84" (49 sq ft) while the Alaskan King is 108" x 108" (81 sq ft). The Alaskan King is 65% larger but requires a much bigger room.
How much does a Wyoming King bed cost?
Wyoming King mattresses typically range from $1,800 to $5,000. Complete setups with frame and bedding run $3,000-$7,000.
Will a Wyoming King fit in my bedroom?
You need at least a 10' x 10' room, but 12' x 12' is recommended. Measure your space and allow 2-3 feet on each side for walking and furniture.