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How to Match Bedding Sizes with Mattress Sizes

When people first shop for bedding, many are surprised to learn how many different mattress sizes there are. They are also surprised to learn just how widely bedding sizes can vary. It’s easy to get confused about how to match bedding sizes and bed sheet sizes with the many different mattress and bed dimensions there are.

It’s even more confusing when you find that mattress sizes differ from country to country. There are even mattress sizes peculiar to single companies! The “Olympic Queen” (66” x 80”) from Simmons is six inches wider than a standard queen bed, Select Comfort’s “Grand King” mattress is 4” wider and more than a foot longer than a normal king (80” x 98”), and McRoskey, a Bay Area mattress company, sells a seven foot by seven foot square “San Francisco King” (84” x 84”).

In this guide we detail standard North American mattress dimensions and show the comforter sizes that work best with each of them. Then we offer some helpful suggestions about how to get the right bedding for novelty-size mattresses.

Standard Bed Dimensions and Bedding

image of varying mattress sizes
Twin 39" x 75"
Twin XL 39" x 80"
Full 54" x 75"
Queen 60" x 80"
King 76" x 80"
Cal-King 72" x 84"

When shopping for bedding, you have some room for error when it comes to the size of duvet covers, duvet inserts, and flat sheets, but not fitted sheets. How much room you have depends on how far the top of your bed is from the floor. Bedding that is too wide will drape onto the bedroom floor.

For example, a bed with a thick mattress and box spring allows for a lot more variation in the size of top sheets, blankets, and duvets than a futon frame close to the floor. To get your maximum bedding width, measure the distance from the top of your bed to the floor, double it, and add the width of the mattress.

Since fitted sheets are designed to exactly fit the mattress you have much less room for variation. A slightly too large fitted sheet can be usable if you tuck it in tightly, but it’s much better to get fitted sheets that exactly match the dimensions of your mattress. If a fitted sheet is too small, you won’t be able to get it on the mattress at all.

Crane & Canopy Size Chart

Crane & Canopy sells duvet covers and duvet inserts in three sizes, Twin/Twin XL (68" x 86"), Full/Queen (88” x 92”) and King/Cal King (106” x 92”), and flat sheets in four sizes, Twin/Twin XL (66" x 96"), Full (90” x 105”), Queen (96” x 105”) and King/Cal King (108” x 105”).

We sell fitted sheets and mattress pads in six sizes that exactly match standard North American bed dimensions for Twin, Twin XL, Full, Queen, King and California King. Here is a simple table for matching Crane & Canopy bedding sizes with standard mattresses:

Twin 39" x 75" Twin Twin
Twin-XL 39" x 80" Twin Twin Flat Sheet, Twin-XL Fitted Sheet
Full/Double 54" x 75" Full/Queen Full
Queen 60" x 80" Full/Queen Queen
King 76" x 80" King/Cal-King King/Cal-King Flat Sheet, King Fitted Sheet
California King (Cal-King) 72" x 84" King/Cal-King King/Cal-King Flat Sheet, Cal-King Fitted Sheet

Note: If you own one of the unusual sizes mentioned above, we would suggest King/Cal King duvet covers and duvet inserts for all of them, queen flat sheets for the Olympic Queen, and King/Cal King flat sheets for the SF and Grand King. Fitted sheets are more challenging, because they should match the mattress dimensions. A Cal King fitted sheet will fit relatively well on an Olympic Queen, but for the outsized kings you’ll need to contact the companies that make them for appropriate fitted sheets.

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