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Double Bed Sizes | Standard, Queen, and King Size Mattress Dimensions

Due to differences in average height and measurement units across countries, the dimensions of double beds vary slightly worldwide. Below is an introduction to the double bed specifications in Taiwan and other countries.


Common Double Bed Sizes in Taiwan

In Taiwan, the most common double bed sizes include:

  • Standard Double Bed
  • Queen Size Bed
  • King Size Bed

Taiwan typically uses "Tai Chi" (台尺) as a measurement unit, where 1 Tai Chi = 30.3 cm.

Taiwan Standard Double Bed Size Chart

Taiwan Double Bed Size Common Name Width × Length (Tai Chi) Width × Length (cm) Area (Ping, 坪)
Standard Double Bed 5-Chi Bed 5' x 6.2' 152 x 188 cm 0.86 坪
Queen Size Bed 6-Chi Bed 6' x 6.2' 182 x 188 cm 1.03 坪
King Size Bed 7-Chi Bed 6' x 7' 182 x 212 cm 1.17 坪

Descriptions of Each Size

  • Standard Double Bed (5-Chi Bed): 152 cm (W) × 188 cm (L), the most commonly used double bed size.
  • Queen Size Bed (6-Chi Bed): 182 cm (W) × 188 cm (L), closer to a square shape, also known as Queen Size.
  • King Size Bed (7-Chi Bed): 182 cm (W) × 212 cm (L), also referred to as King Size.

IKEA Double Bed Sizes (European Standard)

Since the average height of Europeans is higher, European double bed sizes tend to be longer than those in Taiwan.

IKEA Double Bed Size Comparison

Taiwan Double Bed Size Width × Length (cm) IKEA European Double Bed Size Width × Length (cm)
Standard Double Bed 152 x 188 cm 140 x 200 cm  
  150 x 190 cm    
  150 x 200 cm    
Queen Size Bed 182 x 188 cm 180 x 200 cm  

MUJI Japan Double Bed Sizes

In Taiwan, one of the most well-known Japanese mattress brands is MUJI (無印良品). Japanese double bed sizes also differ slightly from Taiwan’s standards.

Notably, Japanese double beds are narrower than Taiwan’s standard sizes but 7 cm longer.

MUJI Japan Double Bed Size Comparison

Taiwan Double Bed Size Width × Length (cm) MUJI Japan Double Bed Size Width × Length (cm)
Standard Double Bed 152 x 188 cm 140 x 195 cm  
Queen Size Bed 182 x 188 cm 160 x 195 cm  

U.S. Double Bed Sizes

The U.S. typically uses inches (in) as a measurement unit, where 1 inch = 2.54 cm.

U.S. Standard Double Bed Size Chart

U.S. Double Bed Size Width × Length (inches) Width × Length (cm)
Full / Double Bed 54 x 75 in 137 x 191 cm
Queen Size Bed 60 x 80 in 152 x 203 cm
King Size Bed 76 x 80 in 193 x 203 cm
California King Bed 72 x 84 in 183 x 213 cm

This guide provides a comprehensive comparison of double bed sizes across different regions. When purchasing a mattress or bedding, be sure to check regional size variations to ensure compatibility with your bed frame!