When it comes to getting the perfect night’s sleep, choosing the right mattress size plays a huge role. Among all options, the king mattress size stands out as one of the most popular choices for couples and families. With its generous dimensions, it provides ample space to stretch out, move freely, and sleep without disturbances. The king mattress size is especially ideal if you share your bed with a partner, children, or even pets, as it offers both comfort and room to breathe.
In this guide, we’ll explore everything you need to know about the king mattress size from dimensions and comparisons to care tips so you can make the best choice for your bedroom.
What Is the “King Mattress Size”?
When mattress makers refer to a king mattress size, they typically mean a mattress that balances generous sleeping space with usability in many bedrooms. It is larger than a double bed, offering extra width and length for couples, families, or anyone who loves more sleeping space. The king mattress size is ideal for master bedrooms, giving comfort and room to stretch out without feeling crowded. The king size mattress is 150 cm × 200 cm (roughly 59″ × 79″).
King Mattress Size vs Other Standard Sizes
To better understand whether a king mattress size is right for you, it helps to see it in context. Here’s a comparative table showing how the king size stacks up:
| Mattress Type | Dimensions (cm) | Approx. in Inches | Notes |
|---|---|---|---|
| Single / Twin | 90 × 190 | ~ 35.4″ × 74.8″ | Ideal for one person, small rooms |
| Small Double / Queen (UK) | 120 × 190 | ~ 47.2″ × 74.8″ | A bit wider than single |
| Double | 135 × 190 | ~ 53.1″ × 74.8″ | Common “standard” couple’s size |
| King | 150 × 200 | ~ 59″ × 79″ | The king mattress size |
| Super King | 180 × 200 | ~ 70.9″ × 79″ | Wider than king by 30 cm (≈12″) |
From that chart, you see that the king mattress size is comfortably larger than double size, but smaller than super king, often making it a good compromise between spaciousness and manageability.
Why Choose a King Mattress Size?
Here are several reasons many people opt for a king mattress size:
- More personal space — You and your partner both get ample room to move around without disturbing each other.
- Good for children or pets — If kids or pets sometimes hop in, a king gives some buffer room.
- Versatile for many bedrooms — A super king may be too wide for many master rooms; a king often “fits just right.”
- Better for couples of differing sleep habits — If one person tosses and turns, they’re less likely to disturb the other.
Things to Check Before Ordering a King Mattress Size
To make sure a king mattress size works well for your space and lifestyle, here are key considerations:
- Bedroom dimensions: Measure the room, allowing for space to walk around, open wardrobe doors, etc.
- Bed base or frame: Ensure your bed base supports 150 × 200 cm.
- Doorways, stairs, and corridors: Can the mattress be delivered through tight spaces?
- Weight and handling: A king mattress will weigh more to check whether two people are needed to move it.
- Bedding & accessories: Sheets, mattress protectors, and toppers must match the king dimensions.
- Mattress firmness and construction: Even for the same size, materials (memory foam, hybrid, latex) will affect feel and performance.
According to the sleep foundation, it’s important to take other factors into account when choosing the right king mattress. These include not only mattress quality and performance, but also your budget, bedroom size, and even the logistics of moving the mattress.
Best King Mattress Models
Here are a few mattress models that you can find in the king mattress size variant:
- Luxe Organic Hybrid — available in king size (150 × 200 cm) as one of the options.
- Majestic 9000 — listed in their size guide including king size 150 × 200 cm.
- Luxe-Latex Natural Pillow Top — also offered with options including king size.
According to sleep charity, always choose a mattress that feels comfortable for your body type
Tips for Using & Caring for a King Mattress Size
Once you have a king mattress size, here are tips to maximize comfort, longevity, and performance:
- Rotate regularly — Even though some modern mattresses are one-sided, if yours is double-sided, flip/rotate it every few months.
- Use a proper base — A sturdy bed frame or slatted base helps support the mattress evenly.
- Protect with a mattress protector — Accidents and spills happen; protect your investment. According to sleep foundation , use a mattress protector and wash your sheets regularly to keep dirt, sweat, and allergens from seeping into the mattress.
- Clean lightly — Vacuum occasionally; follow manufacturer recommendations for stains.
- Mind temperature — Use breathable bedding to keep the mattress ventilated.
- Follow warranty instructions — For example, some warranties require you to register and maintain the mattress.
Frequently Asked Questions (FAQs)
1. What exactly is the king mattress size in the UK?
In the UK, the king mattress size sold by Luxe is 150 cm × 200 cm (≈ 59″ × 79″).
2. How does the king mattress size compare to super king?
A super king is 180 × 200 cm. So a super king gives roughly 30 cm more width than a king mattress size.
3. Is a king mattress size big enough for two people?
Yes, for most couples, a king mattress size gives plenty of space for two adults to sleep comfortably especially in the UK dimensions. The super king offers more, but often isn’t necessary.
4. Will king size bedding be easy to find?
Yes, because king mattress size (150 × 200 cm) is standard in the UK, you’ll find bedding, mattress protectors, toppers, and sheets to match without much difficulty.
5. Can I get a king mattress size in different materials or firmness?
Definitely. Luxe offers models like the Luxe Organic Hybrid and Luxe-Latex Natural Pillow Top in the king size format. You just choose the material and firmness you prefer at that size.
6. What to watch out for when buying a king mattress size?
Make sure your room and doorways can accommodate the king mattress size, check mattress base compatibility, confirm delivery logistics, and always verify the warranty terms. Also check whether the mattress is handlable by two people.
Conclusion
Choosing the right mattress size is one of the most important decisions for achieving quality sleep and creating a comfortable bedroom. The king mattress size (150 × 200 cm) strikes the perfect balance between spaciousness and practicality. It provides ample room for couples, families with kids, or even pets while still fitting comfortably in most bedrooms. Compared to smaller sizes, the king mattress size offers more personal space and comfort, without overwhelming your room like a super king might.If you’re considering upgrading to a king mattress size, exploring trusted options is key. You can visit Luxe Mattresses to find high-quality king mattresses designed for durability, comfort, and restful sleep.
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