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sizing comparison

UK King vs UK Super King

Evergreen URL: /compare/uk-king-vs-uk-super-king

In short

A UK King mattress is typically 150 × 200 cm; a UK Super King is typically 180 × 200 cm. Both share 200 cm length — longer than UK Double at 190 cm — while Super King adds 30 cm of width for couples who need more personal space.

Educational diagram: UK King
UK King
Educational diagram: UK Super King
UK Super King

Size names are not global. Confirm centimetres before importing EU or US “King” products into a UK frame.

Key differences

Criterion UK King UK Super King
Width × length 150 × 200 cm 180 × 200 cm
Approx. width per sleeper (two adults) ~75 cm each ~90 cm each
Length vs UK Double 10 cm longer than 190 cm Doubles 10 cm longer than 190 cm Doubles
Common confusion Narrower than many EU Kings (~160 cm) Still distinct from Emperor (~200 × 200 cm)

UK King may suit if…

  • Room width is limited but you want 200 cm length
  • Two sleepers need moderate extra width over a Double

Full UK King guide →

UK Super King may suit if…

  • Couples want near-Single width each
  • The room can accept an 180 cm-wide footprint

Full UK Super King guide →

Frequently asked questions

Is UK King the same as US King?
No. US King is typically about 76 × 80 inches (~193 × 203 cm) — a different standard. Always compare millimetres/centimetres.