Sheets · King
King sheet dimensions and fitted-pocket measurements
A US King fitted sheet targets a nominal 76 × 80 in mattress top, while current product examples can be listed around 78 in wide. California King and Split King use different fitted pieces.
Semrush US · 2,900 searches/mo · KD 17| Label or calculation | Dimensions | What it means |
|---|---|---|
| King mattress top | 76 × 80 in (193 × 203.2 cm) | Nominal US reference. |
| Current fitted examples | about 76–78 × 80 in | Finished widths and construction vary. |
| Brooklinen flat-sheet example | 110 × 104 in (279.4 × 264.2 cm) | The same example is offered for California King top-sheet use. |
Standard King, California King, and Split King require different fitted-sheet configurations.
Separate top-sheet size from fitted shape
One generous flat sheet can cover both King and California King, while the fitted corners cannot swap the four-inch width-for-length difference.
Split King uses two fitted pieces
A Split King normally uses two Twin XL fitted sheets around separate mattress halves. The top sheet or duvet can still use King dimensions.
Measurement method
Start with the product and space you actually have.
- 1
Measure the mattress. Record width, length, and full depth without relying on the label.
- 2
Add every layer. Toppers and pads change fitted-sheet pocket needs.
- 3
Choose coverage. Decide the side drop, foot drop, top alignment, and any tuck.
- 4
Read finished dimensions. Compare your target with the actual product specification.
Questions, answered
Frequently asked questions
What size is a King fitted sheet?
It targets a nominal 76 × 80 in mattress, with a separately stated pocket depth. Finished products can vary.
Will King sheets fit California King?
Standard fitted sheets are different shapes. Some top sheets and bedding are intentionally sold for both.