How to Measure Your Mattress

Find your mattress shape below and note every dimension shown.

Diagram 1

Island with Bolster / Curved Bottom

Measure the separate bolster cushion (width and depth), the main mattress length before the curve starts, the total overall length, and the flat width of the foot end.

Diagram 2

Side Cutout / Curved Corner

Note the full length, maximum width at the head, narrower width at the foot, and the straight vertical lengths before and after the side cutout curve begins.

Diagram 3

Diagonal / Corner Cut

Note the full width at the head, the narrower width at the foot, the total overall length on the long straight side, and the length of the shorter side before the angle starts.

Diagram 4

Island with Bolster / Curved Corners

Measure the separate bolster cushion (width and depth), the total length of the long side, the straight vertical side before the curves begin, and the flat width of the mattress foot.