California king bed size
72 × 84 in183 × 213 cm
A California king mattress measures 72 × 84 in (183 × 213 cm). With a 24 in (61 cm) walkway on both sides and at the foot, it needs a room at least 10 ft × 9 ft.
Bed fit checker
Measurements
| Measurement | Value |
|---|---|
| Width | 72 in182.9 cm (1.83 m) |
| Length | 84 in213.4 cm (2.13 m) |
| Width per person (two sleepers) | 36 in91.4 cm |
| Walkway | Minimum room |
|---|---|
| 24 in (61 cm) on sides and foot | 10 ft × 9 ft (3.05 × 2.74 m) |
| 36 in (91 cm) on sides and foot | 12 ft × 10 ft (3.66 × 3.05 m) |
Assumes the headboard is against a wall. Add space for nightstands (usually 18–24 in wide each) and for doors and drawers to open.
What to know
Mattress sizes are nominal. Individual brands can be up to about 1 in (2–3 cm) smaller, and the bed frame adds to the footprint: a platform frame usually adds 1–4 in to each side, and a headboard adds 2–6 in to the length.
Questions people ask
How big is a California king bed?
A California king mattress is 72 × 84 in (183 × 213 cm).
What room size do I need for a California king bed?
At least 10 ft × 9 ft for 24 in walkways, or 12 ft × 10 ft for a comfortable 36 in.
Is a California king bigger than a queen?
A queen is 60 × 80 in (152 × 203 cm). The California king is larger in area: 126% of a queen.
Related sizes
Sources and method
- Mattress industry standard sizes (U.S.)
- U.S. Consumer Product Safety Commission, full-size crib mattress requirements
- UK and European standard bed sizes
Imperial and metric values are converted with 1 in = 25.4 mm exactly and rounded only for display. Found a mistake? Report it and we will correct the page.