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    King Size Mattress Dimensions & Buying Guide

    Upgrade your sleep experience with a luxurious king mattress from Idler’s Home. We offer a variety of comfort levels, including extra firm, firm, medium firm, medium, plush, and ultra-plush, ensuring you find the perfect fit for your sleeping preferences.

    What Size is a King Size Mattress?

    A king mattress size measures 76 inches wide by 80 inches long, making it an excellent choice for couples or those who want extra sleeping space. If you're wondering, do two twin mattresses make a king?—the answer is yes, but only if they are twin XL mattresses, which together equal the same dimensions as a king.

    Top King Mattress Brands at Idler’s Home

    We carry leading brands that prioritize comfort and durability, including:

    Choose the Right King Mattress for You

    When selecting a good king size mattress, consider the following:

    Shop King Mattress Near San Luis Obispo, CA

    If you're searching for a "king mattress near me" or a "king size mattress near me", look no further than Idler’s Home. Visit us in-store or explore our collection online to find the perfect fit.

    King Mattress for Sale – Great King Mattress Deals Await!

    Looking for an affordable yet high-quality king mattress for sale? Idler’s Home offers competitive prices on foam, hybrid, innerspring, and wrapped coil options. We also have a great selection of in stock king size mattresses!

    FAQs About King Size Mattresses

    What’s the difference between a king and a California king mattress?

    A king mattress is 76” x 80”, while a California king is 72” x 84”. Read our guide on the differences between king and california king mattresses to see which is best for you.

    What is the best king mattress for back pain?

    A medium firm or firm mattress, such as a Tempur-Pedic or Sealy hybrid, provides excellent support for those with back pain.

    Which king size mattress is best for side sleepers?

    Plush and medium mattresses, especially memory foam or hybrid models, contour well to side sleepers' bodies for pressure relief.

    How often should I replace my king mattress?

    Most king mattresses last between 7-10 years. If you notice sagging, discomfort, or allergies, it may be time for a new one.

    Where can I find a king mattress near San Luis Obispo, CA?

    Idler’s Home offers a wide selection of king size mattresses near San Luis Obispo, CA, with in-store trials and delivery options. Don't forget, we have great financing options to keep your new mattress within budget!