It's been my experience that "twin" sized beds in Japanese hotels are quite a bit bigger than what we would call "twin" here in the US. How wide/long are they exactly?

  • 4
    I was very confused by this question, until I found on Wiki: "What is referred to as a "single bed" in many parts of the world is known in U.S. terminology as a "twin bed". In some countries, a "twin bed" may also be used to describe one of two single beds in the same room."
    – Mark Mayo
    Jul 12, 2012 at 22:20

1 Answer 1


I think you'll find this chart of bed sizes to be just what you need.

  • North America: 39in × 75in (0.99 m × 1.91 m)
  • Japan: 38in × 77in (0.97 m × 1.95 m)

Which would seem to indicate you're perhaps mistaken in your experience, unless they have a different custom size that you've been experiencing.

  • Technically 38"x77" is 2,926 square inches, exactly one square inch more than 39"x75", which is 2,925 square inches.
    – A. R.
    Oct 11, 2022 at 14:42

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