
Is a King Size Bed Bigger Than a Double Bed? Find Out Here
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Is a King Size Bed Bigger Than a Double Bed? Find Out Here
Tossing and turning at night? Feeling cramped in bed? Upgrading your double bed frames can dramatically improve your sleep experience. But is a double bed enough, or should you opt for a king size bed?
In this guide, we compare king size and double beds, covering dimensions, comfort, storage, and more to help you decide which option is best for your space and lifestyle.
Jump to:
Is a King Size Bed Bigger Than a Double Bed?
King Bed vs. Double Bed: Key Differences
Types of Mattresses for King and Double Beds
Comfort & Sleeping Experience: Which One Feels Better?
Customisation and Storage Options
Find Your Perfect Bed at ComfoRest
Is a King Size Bed Bigger Than a Double Bed?
Absolutely! A king size storage bed is larger than a double bed. In the UK, a standard king size bed measures approximately 150cm x 200cm (5ft x 6ft6), while a double bed usually measures around 135cm x 190cm (4ft6 x 6ft3). That extra space about 15cm in width and 10cm in length can make a significant difference in your comfort and sleep quality.
King Bed vs. Double Bed: Key Differences

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Dimensions:
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King Size: 150cm x 200cm
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Double Size: 135cm x 190cm (or smaller)
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Ideal For:
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King Size: Larger master bedrooms, couples, tall sleepers, and families
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Double Size: Smaller rooms, guest spaces, or solo sleepers
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Storage & Customisation:
King size beds typically offer larger integrated storage options, while double beds are designed to be more compact. -
Price:
King size beds are generally more expensive due to their larger size and additional storage space features, whereas double beds are more budget-friendly.
King Bed Size Categories
King Divan Bed
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Dimensions: Approximately 150cm x 200cm
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Ideal For: Larger bedrooms and couples needing extra space
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Key Measurements:
- What's the measurement of a king size bed? About 150cm x 200cm
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What size is a king divan bed? Around 150cm wide.
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How long is a king divan bed? Roughly 200cm.
King Ottoman Bed
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Dimensions: Approximately 150cm x 200cm
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Ideal For: Those seeking hidden under drawers storage
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Key Measurements:
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What size ottoman for king bed? Designed to match a 150cm x 200cm mattress with a lift mechanism for storage.
Good quality ottoman beds are known for their strength and durability, featuring robust fixtures and integrated storage systems.
King Bed Frame
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Dimensions: Supports a 150cm x 200cm mattress
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Ideal For: Traditional setups without integrated storage
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Key Measurements:
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How many feet is a king size bed frame? Roughly 5ft wide by 6 ft6 in long.
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How many inches is a king size bed frame? About 59 inches by 79 inches.
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How much weight can a king size bed frame hold? Around 300-400kg.
Double Bed Size Categories
Double Divan Bed
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Dimensions: Approximately 135cm x 190cm (sometimes 120cm x 190cm for small doubles)
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Ideal For: Smaller bedrooms, guest rooms, or solo sleepers
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Key Points: Provides a compact yet comfortable sleeping surface. Double divan beds are suitable for teenagers.
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What size is a double bed UK? A standard double bed in the UK usually measures around 135cm x 190cm, though some small doubles measure about 120cm x 190cm.
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How long is a double bed in feet? A double bed is typically around 190cm long (approximately 6ft3in).
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How wide is a double bed cm? Double beds are usually about 120cm to 135cm wide.
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How many meters is a double bed? Approximately 1.2m to 1.35m wide by 1.9m long.
Double Ottoman Bed
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Dimensions: Approximately 135cm x 190cm (or 120cm x 190cm )
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Ideal For: Those needing hidden storage in compact spaces
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Key Point: Utilises a lift mechanism for under-bed storage. Single ottoman beds, small double, king Super king ottoman beds are also available, offering enough room for storage capacity while maintaining style and comfort.
Double Bed Frame
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Dimensions: Supports a 135cm x 190cm (or 120cm x 190cm ) mattress
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Ideal For: Minimalist setups without built-in storage
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Key Point: Offers versatile design options for compact rooms. Great for maximising floor space.
Types of Mattresses for King and Double Beds
Choosing the right mattress is crucial for comfort. Consider these options:
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Memory Foam:
Conforms to your body and relieves pressure; ideal for side sleepers. -
Pocket Sprung:
Provides firm support and helps regulate temperature; perfect for back and stomach sleepers. -
Hybrid (Foam + Springs):
Balances softness and support while minimising motion transfer.
Tip: Match your mattress to your sleeping style for optimal comfort.
Comfort & Sleeping Experience: Which One Feels Better?
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King Bed:
Offers a spacious, luxurious sleeping surface ideal for couples and larger master bedrooms. -
Double Bed:
Provides a cozier sleep area suited for smaller rooms or guest spaces.
Key Takeaway
If you value extra space and comfort, a king size bed is the better option. For smaller spaces or tighter budgets, a double bed provides excellent value.
Customisation and Storage Options
Both king and double beds offer various customisation and storage features:
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Fabrics & Colours:
Personalise your bed with a variety of upholstery options. -
Headboard Styles:
Choose from classic, minimalist, or bold statement designs. -
Storage Solutions:
Integrated drawers or ottoman lifts help keep your room clutter-free. -
Accessories:
Coordinate bedding, pillows, and bedside furniture for a cohesive look.
Tip: Use design tools or consult your retailer to tailor your bed to your unique style and space.
Which Bed Is Right for You?
Choosing between a king and a double bed depends on your room size, lifestyle, and storage needs:
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King Bed: Ideal for spacious master bedrooms, couples, and families who desire extra comfort and luxury.
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Double Bed: Perfect for smaller bedrooms or guest rooms, offering a compact and budget-friendly solution.
Key Takeaway
Assess your room dimensions and lifestyle. If you have ample space and value extra room, go with a king bed; if you’re limited by space or budget, a double bed is a smart, practical choice.
Frequently Asked Questions
What is the difference between double and king size bed?
A king size bed measures approximately 150cm x 200cm , while a double (or queen/small double) bed measures around 135cm x 190cm or 120cm x 190cm . The king offers extra space for couples and taller sleepers.
Are king size beds longer than double beds?
Yes, a king size bed is usually 200cm long, compared to about 190cm for a double bed, offering extra legroom.
Are king size and double beds the same length?
Not exactly; a king bed is generally about 200cm in length, while a double bed is slightly shorter at around 190cm .
Is a king size bed bigger than a double bed?
Yes, a king size bed is larger in both dimensions—typically 150cm wide and 200cm long, compared to a double bed's approximately 135cm x 190cm or 120cm x 190cm .
Is a king size bed wider than a double?
Yes, a king size bed is about 150cm wide, while a standard double bed is generally around 135cm (or 120cm for a small double).
Should I get a double or king size bed?
If you have ample space and need extra comfort, choose a king size bed; if your room is smaller or you’re on a budget, a double bed is a practical choice.
Can I use a king size topper on double bed?
No, a topper designed for a king size bed (150cm x 200cm) won’t fit a double bed properly.
Can you fit king size mattress on double bed?
No, a king size mattress (150cm x 200cm) is too large for a double bed.
How many cm bigger is king size than double bed?
A king size bed is typically about 15cm wider and 10cm longer than a double bed.
How wide is double bed and king size?
A double bed is usually around 135cm (or 120cm for small doubles) wide, compared to 150cm for a king.
Is king size bigger than a double bed?
Yes, it is both wider and longer.
Why Choose ComfoRest?
At ComfoRest, finding your new bed is easy. Whether you’re after an ottoman storage bed frame or a divan storage bed with matching headboards, convenient pull-out drawers and storage underneath, our wide range of divan bases and storage bed frame selections offer the perfect blend of comfort and practicality.
Our divan bed set collection comes in a range of different sizes - single bed, small double, double, king size, and super king beds come all with storage options or with a mattress included to tailor to your needs.
Prefer four drawers, two drawers on one side, or one on each side? We’ve got it covered. We even offer continental storage options offering more space for those with winged headboards and bedside tables.
Upgrade Your Sleep with ComfoRest
Explore our wide selection of high-quality ottoman beds, divan bed bases, and divan bed sets with storage drawers. All our divan beds feature elegant finishes and practical storage solutions that fit seamlessly into your bedroom and guest rooms.
With a range of sizes different styles, storage options, and designs to choose from, there’s something to suit every home and lifestyle. Sweet dreams start with ComfoRest!