US Trends

how big is a super king bed

A super king bed is typically about 180 cm wide by 200 cm long (around 71–72 inches by 78–79 inches).

Quick Scoop

  • In the UK and most of Europe, a super king bed is 180 cm x 200 cm (about 6 ft wide by 6 ft 6 in long).
  • That makes it about 30 cm wider than a standard UK king (150 cm x 200 cm).
  • In the US, “super king” is not a standard name; the closest equivalents are King (76" x 80") or California King (72" x 84").
  • Some US retailers use “super king” for a 72" x 78" mattress, which is slightly wider than a queen but a bit shorter than a standard king.

Regional size snapshot (common meanings)

Region Typical label Dimensions (cm) Dimensions (inches)
UK / Europe Super king 180 x 200 cm ≈ 71–72" x 78–79"
US (common usage) “Super king” (non‑standard) Approx. 183 x 198 cm ≈ 72" x 78"
US standard king King 193 x 203 cm 76" x 80"
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In everyday terms: a super king is a very large bed, usually 6 ft wide and just over 6½ ft long, giving two adults plenty of room to spread out.

SEO notes: People asking “how big is a super king bed” often compare it to a king and want quick dimensions by region, plus whether it will fit their room; current 2025–2026 guides highlight the 180 x 200 cm UK size and note that US sizing uses different names instead.

TL;DR: A super king bed is usually 180 x 200 cm (about 71–72" x 78–79"), but the exact meaning can change by country, so always double‑check local sizing before you buy.

Information gathered from public forums or data available on the internet and portrayed here.