Sofa bed sizes explained: How to pick the right fit for your room and guests
Choosing between sofa bed sizes is about more than how many people need to sleep. The right fit also depends on the space available when the sofa is closed, how much room it needs when opened, and how often it will be used as a bed.
Because size names vary between markets, check the actual measurements rather than relying on labels alone. KHOY sofa beds range from Single to King, with every size opening into a 200 cm long sleeping surface.
Sofa bed sizes at a glance
| Size | Sofa size | Bed size | Best for |
|---|---|---|---|
| Single | 100 × 100 cm (3'3" × 3'3") | 100 × 200 cm (3'3" × 6'7") | One sleeper, small rooms |
| Double | 140 × 100 cm (4'7" × 3'3") | 140 × 200 cm (4'7" × 6'7") | One sleeper or two occasional guests |
| Queen | 160 × 100 cm (5'3" × 3'3") | 160 × 200 cm (5'3" × 6'7") | Couples and regular guests |
| King | 200 × 90 cm (6'7" × 2'11") | 180 × 200 cm (5'11" × 6'7") | Couples and larger rooms |
Which sofa bed size is right for you?
Single: for one sleeper and compact rooms
The KHOY Single sofa bed works as a chair by day and a full-length bed by night. It suits a studio apartment, home office, child's room or guest room where space is limited.
Double: extra width in a smaller space
The KHOY Double sofa bed gives one sleeper plenty of room and can also accommodate two people for occasional overnight stays. Its compact size as a sofa makes it a practical choice for guest rooms and smaller apartments.
Queen: more space for two
The KHOY Queen sofa bed is a practical choice for couples, regular overnight guests or everyday sleeping when more width is useful. It offers the space of a queen-size bed while remaining a compact two-seater sofa during the day.
King: the most generous option
The KHOY King sofa bed is the largest size in the range. Its 180 cm wide sleeping surface gives two sleepers more room and suits larger living spaces or homes where the sofa bed is used frequently.
How should you measure your room?
Measure the sofa in both positions. Check the closed sofa size against doors, windows and walkways, then mark the full bed size on the floor. Make sure there is enough space to open the bed and move comfortably around it. If you are adding a Sofa Frame, remember to allow for the extra space it requires when measuring the overall dimensions.
Sofa bed size FAQ
How deep is a KHOY sofa bed mattress?
KHOY sofa beds use a 19 cm dual-layer mattress, combining a 15 cm medium-firm foam base with a 4 cm memory foam comfort layer. Mattress depth is another useful measurement to check when comparing different sofa beds.
How much space does a sofa bed need when opened?
Plan for the full bed size when opened, not only the sofa size. KHOY Single, Double and Queen models are 100 cm (3'3") deep as seating and extend to a 200 cm (6'7") sleeping length. The King is 90 cm (2'11") deep as a sofa and opens to 180 cm (5'11") in bed mode. Leave additional room for easy access where possible.
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