A standard king bed is typically 76 inches wide (about 193 cm) in the US and Canada.

Quick Scoop

  • Standard king (US/Canada): 76" wide x 80" long (about 193 cm x 203 cm).
  • Often called an Eastern king in some guides.
  • California king is narrower at 72" wide, but longer at 84".

Other King Sizes (Global & Variants)

Dimensions can change by country and type of king.

  • UK king: about 60" wide x 78" long (152 cm x 198 cm).
  • New Zealand king: about 65" wide x 80" long (165 cm x 203 cm).
  • King (Japan example): about 76" wide x 77" long (194 cm x 195 cm).
  • Super/Alaskan/Texas kings can be much wider (up to 108" wide / 274 cm).

King vs Other Common Sizes

Bed size| Width (in)| Width (cm)| Note
---|---|---|---
Queen| 60| 152| Standard couple size.37
King (US standard)| 76| 193| Widest common standard.1379
California king| 72| 183| Narrower, but longer.379

One-Line TL;DR

In most current US guides, when people ask “how wide is a king bed,” they mean 76 inches (about 193 cm) wide.

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