Sleep Number

Mattress Size Guide

How to choose the right bed size

Choosing the right bed size isn't always simple. We want to help you to find what bed size is ideal for you and your needs.

Mattress Size

Mattress Dimensions

Twin 38" wide x 75" long
Twin XL 38" wide x 80" long
Full / Double 54" wide x 75" long
Queen 60" wide x 80" long
King 76" wide x 80" long
California King 72" wide x 84" long
Twin Sized Mattress

TWIN SIZE MATTRESS DIMENSIONS

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38" X 75"

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1 person

A twin bed is 38 inches wide and 75 inches long. Twin beds are usually used in children’s rooms, apartments, or a guest bedroom. Twins are a great choice for smaller bedrooms or if you will be moving frequently.

Sleep Number

Twin XL Mattress Dimensions

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38" X 80"

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1 person

A twin XL bed or a twin extra-long, is 38 inches wide and 80 inches long. Twin XL beds are perfect for taller individuals, dorm rooms, or shared adult bedrooms because there is more leg room but will leave adequate walking space around the bed.

Full Sized Mattress

Full SIZE MATTRESS DIMENSIONS

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54" X 80"

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1 person

A full bed is 54 inches wide and 75 inches long. It is 6 inches thinner and 5 inches shorter than a queen size bed and will comfortably fit one adult. A full-size bed is perfect for older children, single adults, or smaller bedrooms.

Sleep Number

QUEEN SIZE MATTRESS DIMENSIONS

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60" X 80"

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2 person

A queen bed is 60 inches wide and 80 inches long. The queen bed can comfortably fit a couple, tall individuals, and single adults who want plenty of sleeping room.

Full Sized Mattress

KING SIZE MATTRESS DIMENSIONS

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76" X 80"

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2 person

A king bed is 76 inches wide and 80 inches long. As the widest mattress option, king beds are the best option for couples who want maximum personal space, couples sleeping with pets or children, and for large bedrooms

Sleep Number

SPLIT KING SIZE MATTRESS DIMENSIONS

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76" X 80"

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2 person

A split king bed is 76 inches wide by 80 inches long. There are two types of split king beds, a half split or full split. Either option is great for couples who have different preferences of comfort and firmness.

Full Sized Mattress

CALIFORNIA KING SIZE MATTRESS DIMENSIONS

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72" X 84"

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2 person

A California king bed is 72 inches long and 84 inches long. It is four inches longer but slightly narrower than a standard king bed. A California king is the longest bed and could accommodate individuals taller than 6 feet.

Sleep Number

SPLIT CALIFORNIA KING SIZE MATTRESS DIMENSIONS

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72" X 84"

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2 person

A split California king bed is 72 inches wide by 84 inches long. Split beds are perfect for couples sharing a bed without needing to compromise on comfort and firmness. The California king bed is great for people taller than 6 feet.

FAQS


Mattress Size Comparisons


Understanding Split Beds


What Size Bed Do You Need?


Recommended Room Size based on Bed Type

Sleep Number
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