Mattress Sizes & Dimensions

Choose from the following to help you select the perfect sized mattress.

Mattress Sizes

What Size is Best?

Mattress Fit by Height

MattressInsider.com can make any mattress size on this page in addition to any custom mattress size. If you don't see the size you're looking for, give us a call at 888-488-1468.

Mattress Size Charts

Standard Mattress Sizes

Bed Size	Bed Measurement
Twin	38" x 74" or 38" x 75"
Twin XL	38" x 80"
Full	53" x 75"
Queen	60" x 80"
King	76" x 80"
Cal King	72" x 84"

Other Mattress Sizes

Bed Size	Bed Measurement
Three-quarters	48" x 75"
Full XL	54" x 80"
Olympic Queen	66" x 80"
Texas King	80" x 98"

Waterbed Mattress Sizes

Bed Size	Bed Measurement
Cal Queen Waterbed	58" x 82"
Cal King Waterbed	70" x 82"

RV Mattress Sizes

Bed Size	Bed Measurement
Short Queen	60" x 75"
RV King	72" x 80"
RV Short King	72" x 75"

Truck Mattress Sizes

Bed Size
32" x 79"
35" x 79"
36" x 76"
42" x 80"

What Mattress Size is Best?

Twin Mattress

Twin size mattresses are measured at 38 in x 74 in or 38 in x 75 in. They are suitable for a small child or a single adult, however, taller adults may want to consider the Twin XL for additional leg room. Also referred to as a ‘single,’ twin size mattresses are designed ideally for children’s bedrooms, bunk beds, etc.

Twin XL Mattress

Twin XL mattresses are measured at 38 in x 80 in. They are found most commonly in college dorm rooms. With an additional 5 inches in length, this is a great alternative to people who are taller than 5’5 in height.

Full Mattress

Full size mattresses are measured at 54 in x 75 in. The additional 14 inches in width provides ample moving space for a single adult or a growing child. Despite being referred to as a ‘double,’ these mattresses are designed for a single person.

Queen Mattress

Queen size mattresses are measured at 60 in x 80 in. They are the most commonly purchased mattress size, as they are designed ideally for two adults. The vast width allows for sleepers to rest comfortably without spatial interference.

King Mattress

King size mattresses are measured at 76 in x 80 in. Nearly the width of two twin XL mattresses, the king size mattress provides an additional 16 inches in width. It can comfortably sleep two adults with plentiful room for a small child or a pet animal.

California King Mattress

California King sized mattresses are measured at 72 in x 84 in. Although it is 4 inches shorter in width as compared to the normal King size mattress, the mattress makes up for it with an additional 4 inches in length. This bed is ideal for two taller adults who are seeking ample moving space and legroom.

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