Unit Converter: Tatami mats (Square meter, Square foot, Jō, etc.)

square meterm2
square footsq ft
tsubo

畳 / 帖 (jō)

Jō (帖)
Kyōma (京間)
Chūkyōma (中京間)
Edoma (江戸間)
Danchima (団地間)
6-2 ma (六二間)
6-1 ma (六一間)
* Round to the 14th decimal place.
* About the notation of "e": Numbers with many digits may be displayed as "1e9". This is a computer exponential notation, where “e” represents a power of 10.
1e3 = 103 = 1,000
1e6 = 106 = 1,000,000
1e9 = 109 = 1,000,000,000
1e-3 = 10-3 = 0.001
1e-6 = 10-6 = 0.000001
1e-9 = 10-9 = 0.000000001
日本語 / English

Convert based on square meters.

1sq ft=0.09290304m21 sq \ ft = 0.09290304 m^2 1=400121m23.305785m21\text{坪} = {\dfrac {400}{121}} m^2 \approx 3.305785 m^2

Jō (帖)

1=1.62m21\text{帖} = 1.62 m^2

Kyōma (京間)

1=315×63(955mm×1910mm=1.82405m2)1\text{畳} = 3\text{尺}1\text{寸}5\text{分} \times 6\text{尺}3\text{寸}\\ (\approx 955mm \times 1910mm = 1.82405 m^2)

Chūkyōma (中京間)

1=3×6(910mm×1820mm=1.6562m2)1\text{畳} = 3\text{尺} \times 6\text{尺}\\ (\approx 910mm \times 1820mm = 1.6562 m^2)

Edoma (江戸間)

129×58(880mm×1760mm=1.5488m2)1\text{畳} \approx 2\text{尺}9\text{寸} \times 5\text{尺}8\text{寸}\\ (\approx 880mm \times 1760mm = 1.5488 m^2)

Danchima (団地間)

1=28×56(850mm×1700mm=1.445m2)1\text{畳} = 2\text{尺}8\text{寸} \times 5\text{尺}6\text{寸}\\ (\approx 850mm \times 1700mm = 1.445 m^2)

6-2 ma / Roku-ni-ma (六二間)

1=31×62(940mm×1880mm=1.7672m2)1\text{畳} = 3\text{尺}1\text{寸} \times 6\text{尺}2\text{寸}\\ (\approx 940mm \times 1880mm = 1.7672 m^2)

6-1 ma / Roku-ichi-ma (六一間)

1=35×61(925mm×1850mm=1.71125m2)1\text{畳} = 3\text{尺}5\text{寸} \times 6\text{尺}1\text{寸}\\ (\approx 925mm×1850mm = 1.71125 m^2)