Have you ever woken up feeling cramped or restless and wondered if your bed size might be to blame? Or perhaps you’re moving into a new home and are deliberating which bed size will perfectly suit both your bedroom and lifestyle? Choosing the right bed size is more than just a furniture decision—it’s about creating a comfortable, restful sanctuary that supports your health and well-being every night.
This thorough guide will help you navigate the many options available in South Africa, detailing mattress dimensions and bed sizes, and incorporating popular choices like king-size beds, queen-size beds in cm, and double beds to ensure you make an informed decision that aligns with your space and sleeping preferences.

Why the Right Bed Size Matters
The bed size you select impacts your sleep quality, room aesthetics, and even your daily energy levels. Whether you sleep solo, share your bed with a partner, kids, or pets, or need extra space to stretch out, the bed size can make a marked difference.
For restless sleepers or couples needing personal sleeping space, a larger bed, such as a king-size bed, can prevent disturbances and promote restful sleep.
Mattress Dimensions and Bed Sizes: South African Standards
South African bed and mattress dimensions are fairly standardized, typically available in standard and extra-length options to accommodate different heights and preferences.
| Bed Size | Standard Dimensions (cm) | Extra Length Dimensions (cm) | Minimum Room Size (approx.) | Dimensions in Inches (Standard / Extra Length) |
|---|---|---|---|---|
| Single Bed | 91 x 188 | 91 x 200 | 2.4 m x 3.0 m | 36 x 74 / 36 x 79 |
| Three Quarter Bed | 107 x 188 | 107 x 200 | 2.7 m x 3.0 m | 42 x 74 / 42 x 79 |
| Double Bed | 137 x 188 | 137 x 200 | 3.0 m x 3.3 m | 54 x 74 / 54 x 79 |
| Queen Size Bed | 152 x 188 | 152 x 200 | 3.3 m x 3.5 m | 60 x 74 / 60 x 79 |
| King Size Bed | 183 x 188 | 183 x 200 | 3.5 m x 3.7 m | 72 x 74 / 72 x 79 |
Single Bed Mattress Dimensions: Best for Small Spaces and Kids
Single beds measure typically 91cm wide by 188cm long, with an extra length option of 200cm for taller sleepers. Ideal for children, teenagers, and small guest rooms, the single bed mattress dimensions provide a compact yet practical sleeping surface.

Three-Quarter Bed: A Step Up for Growing Teens and Students
With a width of 107cm and length options mirroring the single, the three-quarter bed mattress offers a bit more room while still fitting comfortably in smaller bedrooms or guest spaces.

Double Bed Size and Its Popularity
Double bed width is usually about 137cm, providing a cozy sleeping surface for couples or single adults who desire extra space. The dimensions (137cm x 188cm standard) make it a versatile option for smaller master bedrooms or guest rooms. For those interested in a double bed size upgrade, extra length (200cm) provides more legroom. The double bed dimensions balance comfort and practicality.

Queen Size Bed in cm: The South African Favourite
dimensions usually measure 152cm wide by 188cm long, with an additional extra-length option that extends to 200cm. Loved by couples and single sleepers alike, a queen-size bed strikes the perfect balance of luxurious sleeping space without overwhelming typical bedroom sizes. Queen-size dimensions fit comfortably in many households, making it the most popular choice.

King Size Bed: The Luxury of Space
A king-size bed measures about 183cm wide by 188cm long, again with an optional extra length extending to 200cm. A king-size bed is ideal for couples seeking maximum personal space or families who often have kids or pets joining them for sleep. It offers the epitome of comfort and luxury. The spacious dimensions of a king size bed reduce disturbances for restless sleepers, enhancing sleep quality.

What Makes an Extra-Length Mattress?
Extra-length mattresses add approximately 12cm in length compared to standard sizes, making them perfect for taller individuals or those who appreciate a bit more room to stretch out, even accommodating foot-sleeping pets comfortably.
Other Essential Considerations When Choosing Bed Sizes
- Room Dimensions: Ensure your chosen bed size leaves enough space for easy movement and additional furniture. Proper space promotes cleanliness and good air circulation, crucial for a healthy sleep environment.
- Lifestyle Needs: Whether you sleep alone, share with a partner, or have kids and pets joining you, your sleeping habits and space requirements should guide your choice.
- Future Flexibility: Consider if your family size, housing situation, and sleep needs may change over time. Investing in a versatile bed can save hassle later.
- Budget: Larger beds and mattresses tend to cost more, including bedding costs. Always align your choice with your budget while prioritizing quality.
How to Choose the Right Bed Size for You and Your Bedroom
To avoid waking up sore or cramped, measure your room accurately and consider your lifestyle. For single sleepers or smaller rooms, single or three-quarter beds work well. Couples might start with a double bed size but often find queen or king-size beds more comfortable. Restless sleepers or those sharing with children or pets often benefit from opting for a king-size bed. If you are tall or require extra legroom, consider the extra-length mattress options.
Final Thoughts: Making Your Bed the Best Place to Be
Your bed is more than just a place to rest—it’s where your day begins and ends. Choosing the right mattress dimensions and bed sizes ensures restful, restorative sleep so you can greet each morning refreshed and energized.
Visit your nearest Hirsch’s store today to explore our vast range of bed sizes and find your perfect fit. Whether you need a compact single bed mattress or the luxurious expanse of a king-size bed, Hirsch’s offers quality and comfort tailored to your lifestyle.
Frequently Asked Questions (FAQs)
Standard double bed dimensions in South Africa are 137cm wide by 188cm long, with extra-length options extending to 200cm.
A queen-size mattress typically measures 152cm wide by 188cm long, with an extra length option of 200cm.
The double bed width is usually 137cm, providing a comfortable sleeping space for individuals or couples.
Consider room size, budget, and sleeping needs. Queen beds fit well in most rooms and offer ample space for couples, while king-size beds provide extra room for restless sleepers, families with kids or pets, or those wanting luxurious comfort.
Single beds usually measure 91cm wide by 188cm long, with an option for 200cm extra length for taller sleepers.
By addressing these key factors and understanding mattress dimensions and bed sizes, you can select the bed size that best suits your space, lifestyle, and comfort requirements.
Now is the perfect time to upgrade your sleeping experience. Discover the full range of quality beds and mattresses at Hirsch’s and find your perfect fit today. Your best night’s sleep awaits!
