If you want maximum space and comfort, a king bed is the largest standard option available in South Africa. It’s ideal for couples who want extra room—but before buying, it’s important to understand the exact dimensions and whether it fits your space and budget.

If you’re currently browsing king beds for sale in Johannesburg, knowing the exact size will help you choose the right option without wasting money or space.

This guide covers king bed dimensions in South Africa, how they feel in real life, and whether this size is the right choice for your bedroom.

What Size Is a King Bed in CM?

A standard king bed in South Africa measures:

Width: 183 cm
Length: 188 cm

If you’re searching for king size bed dimensions in cm or king bed size South Africa, this is the standard used across most manufacturers.

This provides significantly more space per person compared to a queen bed, making it the most comfortable option for couples.

What Size Is a King Bed in Metres?

A king bed is:

1.83 metres wide
1.88 metres long

This is especially useful if you’re measuring your room or planning your layout in metres.

King Bed Dimensions (Including Extra Length)

King beds are also available in extra-length options:

Standard King Bed: 183 cm x 188 cm
Extra Length King Bed: 183 cm x 200 cm

Extra length is ideal if:

You are taller than average
You want more legroom
You prefer a more spacious sleeping experience

How Big Is a King Bed in Real Life?

A king bed offers the most sleeping space of any standard bed size.

Suitable for: Two adults (with plenty of space)
Comfort level: Maximum
Ideal for: Couples, families, or anyone who wants extra room

Each person gets about 91.5 cm of personal space—more than a single bed per person.

If you’re wondering whether upgrading is worth it, see our king vs queen bed comparison to understand the difference in space and comfort.

King Bed vs Queen Bed (Do You Need the Extra Space?)

This is one of the most common comparisons when buying a bed.

Queen Bed: Comfortable and practical for most couples
King Bed: More space, less disturbance, and a more premium feel

Choose a king bed if:

You want more personal space
You or your partner move a lot during sleep
You share your bed with kids or pets

Stick with a queen if:

Your room is smaller
You want to save on cost

Two Single Beds Make a King (Ideal for Hospitality)

One of the biggest advantages of a king bed is its flexibility.

In many cases, a king bed can be made up of two single beds placed together.

This setup is especially popular in:

Guest houses
Hotels
Airbnb and rental properties

Benefits include:

Flexibility to offer 2 single beds or 1 king bed
Easier transport and movement
Practical for multi-use spaces

This makes king beds a smart choice for hospitality businesses in Johannesburg.

What Size Room Do You Need for a King Bed?

A king bed works best in:

Large bedrooms
Master bedrooms
Spacious homes

To keep your room comfortable, allow at least 60–70 cm of space around the bed.

Before buying, check your layout in our guide on what size room you need for a king bed.

In smaller Johannesburg homes or apartments, a king bed can feel too large—so always measure your space carefully.

Why King Beds Are a Premium Choice

King beds are chosen for comfort, space, and long-term value.

Maximum Comfort

More space means less disturbance during sleep.

Ideal for Families

Great if children or pets share the bed.

Luxury Feel

Creates a spacious, high-end bedroom setup.

How to Choose the Right King Bed

Choosing the right king bed depends on more than just size.

Room Size and Access

Measure your room and check:

Doorways
Staircases
Tight spaces

King beds can be more difficult to move, especially in apartments.

Sleeping Habits

If you value personal space while sleeping, a king bed is the best option.

Budget and Value

King beds are more expensive—but buying from a warehouse supplier in Johannesburg can help you get better value for money without overspending.

See our king bed price South Africa guide to compare realistic pricing.

King Bed Mattress Considerations

When choosing a mattress for your king bed, consider:

Support level: Based on weight and sleeping position
Comfort preference: Firmness and thickness
Durability: Important for long-term use

Mattress height typically ranges from 15 cm to 30+ cm, which affects overall bed height and comfort.

Is a King Bed the Right Choice?

A king bed is the ultimate upgrade—but it’s not for every space.

Choose a King Bed If:

You have a large bedroom
You want maximum comfort
You share your bed regularly

Consider a Queen If:

Your room is limited in space
You want a more budget-friendly option

From Dimensions to Buying the Right Bed

Understanding king bed dimensions is the first step—but choosing the right bed also comes down to quality and price.

If you’re buying locally, going direct to a warehouse supplier in Johannesburg can help you get:

Better pricing
Reliable quality
The right size without overspending

Browse our range of king beds for sale in Johannesburg to find affordable options available now.

Frequently Asked Questions

How big is a king bed in cm?

A king bed measures 183 cm wide and 188 cm long in South Africa.

Is a king bed worth it?

Yes—if you have the space and want maximum comfort, a king bed is one of the best upgrades you can make.

Can two single beds make a king bed?

Yes, two single beds can be combined to create a king-size sleeping surface, commonly used in hospitality setups.

Are king beds available in extra length?

Yes, most king beds are available in 200 cm extra length options in South Africa.