TL;DR: Standard Singapore mattress sizes range from Single to King (1830 x 1900 mm). California King, Super King, and other oversized formats are non-standard in Singapore and typically require a custom-size mattress order. Always confirm your bed frame dimensions before ordering.
You’ve bought the bed frame. Now you’re measuring the mattress section—and the numbers don’t match anything on a standard size chart. If this sounds familiar, you’re not alone.
Oversized and non-standard bed frames are becoming more common in Singapore, particularly in larger condominiums and landed properties. Here’s what you need to know before ordering a custom size mattress.
What are the standard mattress sizes available in Singapore?
Most mattress retailers in Singapore—including Catnap Lair—carry these standard sizes:
| Size | Dimensions |
| Single | 920 x 1900 mm |
| Super Single | 1070 x 1900 mm |
| Queen | 1530 x 1900 mm |
| King | 1830 x 1900 mm |
These dimensions are consistent across most Singapore brands including Dozi, Dreamster, MaxCoil, and Lady Americana.
What is a California King mattress, and is it available in Singapore?
A California King mattress (approximately 1830 x 2130 mm) is an American standard that is longer but slightly narrower than a standard King. It is not a standard size in Singapore. If your bed frame requires California King dimensions, you will need a custom-size mattress.
What is a Super King mattress in Singapore?
The term “Super King” is used inconsistently across markets. In the UK, a Super King measures approximately 1800 x 2000 mm. In Singapore, it sometimes refers to mattresses wider than the standard King (1830 mm), such as 2000 x 2000 mm configurations. Always confirm exact dimensions with your retailer rather than relying on the label.
When do you need a custom size mattress in Singapore?
You may need a custom-size mattress if:
- Your imported or custom-built bed frame has non-standard dimensions
- You are furnishing a master bedroom in a large condo or landed property with an oversized frame
- Your current mattress is undersized for your frame, leaving gaps at the edges
- You have a round, hexagonal, or otherwise irregular bed frame
How to order a custom size mattress in Singapore
Before placing a custom order, take these steps:
- Measure your bed frame’s internal sleeping surface — not the outer frame dimensions
- Account for mattress compression — some mattresses compress slightly under body weight, affecting perceived fit
- Confirm spring type compatibility — custom-size mattresses may have limitations on spring type or thickness depending on the manufacturer
- Check lead time — custom orders typically take longer than off-the-shelf mattresses
Catnap Lair offers direct factory pricing and customised furnishing solutions, making it a practical option for non-standard mattress requirements. Contact the team directly via WhatsApp to discuss your dimensions and available options. You can also browse the standard mattress range to see what’s available off the shelf.
Choosing the Right Bed Frame for Oversized Mattresses
If you’re still in the planning stage, it may be worth choosing a standard-size bed frame first to simplify your mattress options. Catnap Lair’s bed frame collection includes divan, storage, and designer headboard options in Queen and King sizes—all compatible with standard mattress dimensions.
Frequently Asked Questions
Can I buy a California King mattress in Singapore?
California King is not a standard Singapore size. You would need to place a custom mattress order with a retailer that offers bespoke sizing.
Is a Super King mattress bigger than a King in Singapore?
Generally yes, but the exact dimensions vary by brand and retailer. Always confirm measurements before ordering.
How long does a custom size mattress take to deliver in Singapore?
Lead times vary by manufacturer. Custom orders typically take two to four weeks, depending on the spring type, thickness, and materials selected.
Will a custom mattress cost more than a standard one?
Yes. Custom-size mattresses typically carry a price premium due to non-standard manufacturing requirements. The extent of the markup depends on the size deviation and materials used.
Where can I order a custom size mattress in Singapore?
Contact Catnap Lair directly via WhatsApp or visit the showroom to discuss your requirements. With direct factory access and 10+ years of experience, the team can advise on feasibility and pricing.
