King Mattress

King Size Mattresses Only

Our high-quality king-size mattresses let you get the sleep you need to take on the day. We offer every comfort level from extra firm to ultra-plush, as well as adjustable beds that let you decide what you're in the mood for. Special features, such as temperature-controlling gels and pressure-relieving foams, let you sleep restfully night after night. Because we carry all the top brands at the most reasonable prices, we're certain we have the perfect king-size mattress for you. More

How to Buy a King Size Mattress for Your Bedroom Space

For bed buyers interested in sleeping on the maximum surface area possible, a king-size mattress is usually the best choice. Nearly a foot and a half wider than the next largest mattress size, king mattresses prove especially ideal for couples preferring to have ample personal space while sharing a bed. The size of a king mattress, in fact, is roughly equivalent to the sleeping space created by pushing a pair of twin extra long mattresses together. Find affordable king size mattresses under $1000, $500, and $300.

Good Option for Families

Ideal for those seeking the most undisturbed sleep. In addition to giving individuals the most room to sleep, king size mattresses often make perfect options for families with children or pets that like to spend quality time with the parents in bed. The ability, or lack thereof, to move and fit the mattress in the allotted space in the house remains the major issue associated with king mattress sizes.

Sizing & Dimensions

King size mattress measurements run 76" wide by 80" long, with California king options spanning 72" by 84".

Common Measurement Questions


  • Question: How wide is a King Size mattress? Answer: The width is 76 inches, or 193.04 centimeters (cm).
  • Question: How long is a King Size mattress? Answer: The length is 80 inches, or 203.2 centimeters (cm).

Brands offering King Size Mattresses


  • Beautyrest Recharge
  • Kingsdown
  • Sealy
  • Serta
  • Stearns and Foster
  • Therapedic

Choosing a Style or Comfort Level


  • Plush - a soft, but supportive king.
  • Ultra Plush - ultimate softness.
  • Firm - supportive, distributes weight evenly.
  • Extra Firm - just about as firm as you get.
  • Pillow Top - includes comfy top layer of padding.
  • Euro Top - extra padding sewed directly to top.