California King Mattress Dimensions
The California king mattress measures 72 inches wide by 84 inches long. It trades 4 inches of width for 4 extra inches of length compared to a standard king, making it the best choice for sleepers over 6'2".
How big is a California king mattress?
A California king is 72 inches wide and 84 inches long — 4 inches narrower but 4 inches longer than a standard king. Best for taller sleepers.
Dimensions
Doorway Fit Analysis
Will a California King Mattress fit through a standard doorway?
Will fit through with proper technique
- •Smallest dimension (thickness): 10"
- •Standard interior door: 32"
- •Standard exterior door: 36"
Fits with room to spare
Fits with room to spare
Fits with room to spare
Mattress Size Comparison
| Size | Width | Length | Area |
|---|---|---|---|
| Twin | 38" | 75" | 2,850 sq in |
| Twin XL | 38" | 80" | 3,040 sq in |
| Full/Double | 54" | 75" | 4,050 sq in |
| Queen | 60" | 80" | 4,800 sq in |
| King | 76" | 80" | 6,080 sq in |
| Cal King ← | 72" | 84" | 6,048 sq in |
Frequently Asked Questions
Will a California king mattress fit through a standard doorway?
Yes, when on its side. The 10" thickness clears a 32" door easily. The 84" length is the main challenge — plan your path to avoid tight corners where the length could get stuck.
Is a California king bigger than a king?
No — a Cal king has slightly less total area (6,048 sq in vs 6,080 sq in). It's 4" narrower (72" vs 76") but 4" longer (84" vs 80"). It's designed for height, not extra width.
Are California king sheets hard to find?
Cal king bedding is less common in stores but widely available online. Note that king and Cal king sheets are NOT interchangeable — Cal king sheets are narrower and longer.
Related Mattress Sizes
Related Calculators
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