Twin Bed Size Chart: Single bed dimensions guide

by Marie

Twin-sized beds are the most common for single sleepers, effectively matched with a twin-size mattress (or single mattress). The Twin-size bed are best for small bedrooms such as children’s rooms, guest rooms, hotels, and studios (or micro apartments). The Twin-size bed and mattress dimensions are 75” (191 cm) and width of 38” (97 cm). Twin or Single Beds occupy an area of 19.79 ft2 (1.85 m2). Twin Beds typically have mattress thicknesses of 9”-12” (22.9-30.5 cm).

Looking for other bed sizes and bedframe dimensions? check the most complete bed size post here

Twin Bed Size Chart

Twin-size bed and mattress dimensions are 75” (191 cm) and width of 38” (97 cm). Twin or Single Beds occupy an area of 19.79 ft2 (1.85 m2). Twin Beds typically have mattress thicknesses of 9”-12” (22.9-30.5 cm). Check the mattress brands size here to find your preferred King size mattress.

US (Twin): 38″ x 75” | 97 cm x 191 cm

  • Width: 38” – 97 cm
  • Depth: 9”-12” – 22.9-30.5 cm
  • Length: 75” – 191 cm
  • Area: 19.79 ft² – 1.85 m²

Are you looking for TWIN XL bed dimensions? check the full post here. Below the dimensions

  • US (Twin XL): 38″ x 80” – 97 cm x 203 cm
  • Length (Twin XL): 80” – 203 cm


Similar Beds sizes by Country:

Many countries have different bed sizes. A comparison of similar Twin bed sizes in different countries

  • US: 97 cm x 191 cm (38″ x 75″)
  • UK: 92 cm x 188 cm (Single)
  • Australia: 92 cm x 188 cm (Single)
  • New Zealand: 91 cm x 188 cm (Single)
  • Continental Europe: 90 cm x 200 cm (Single)
  • Scandinavia: 90 cm x 200 cm (Single)
  • Japan: 97 cm x 195 cm (Single)
  • China: 106 cm x 188 cm (Single)
  • Thailand: 107 cm x 198 m (Single)
  • Singapore: 91 cm x 191 cm (Single)
  • Brazil: 88 cm x 188 cm (Single)
  • South Africa: 107 cm x 188 cm (Three Quarter)

Bedroom layouts with twin Beds

Find below the minimal and ideal room size for rooms with a twin-sized bed. When the room comprises a desk or closet you can find the sizes in the below list of room sizes that fit a Single, Twin and Twin XL bed

Area: 168 ft2 | 15.6 m2
Length: 16’6” | 5 m
Depth: 10’2” | 3.1 m

  • King Bed Size: 76” x 80” – 193 x 203 cm
  • Room Length (Min.): 8’0” – 240 cm or 2.4 m
  • Room Width (Min.): 10’2” – 310 cm or 3.10 m
  • Room Area (Min.): 81 ft² – 7.75 m²
  • Room with closet Length: 10’2” – 310 cm or 3.1 m
  • Room with closet Width: 16’6″ – 500 cm or 5.0 m
  • Room with closet area: 168 ft2 or 15.6 m2 

Twin / Single size bed dimension FAQ

How long is a Twin Size Bed?

Twin Beds or Single beds are 75” (6’3″) – 191 cm long

How wide is a King Size Bed?

Twin size beds are 38” (3’2″) – 97 cm wide.

What are the dimensions of a Twin Size Bed?

Twin or Single beds are 75” (6’3″) – 191 cm long and 38” (3’2″) – 97 cm wide.

What is a bedroom size for a Twin Size Bed?

Single bedrooms with Twin or Single beds should have minimum floor plan areas of around 81 ft2 or 7.75 m2 with shared Twin or Single bedrooms at areas around 168 ft2 or 15.6 m2.

Picture in this Twin size bed post by furkanfdemir via Pexels

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