Japan Land Area Converter
Convert between Tsubo (坪), Tan (反), Chō (町), and Square Meters for Japanese land measurements.
Land Area Converter
Total Tsubo300 tsubo
Square Meters991.74 m²
Square Feet10,675 sqft
Acres0.245 acre
Hectares0.099 ha
Quick Conversion Tools
Japan Land Measurement Units (Shakkanhō System)
- 1 Tsubo (坪) = 3.30579 m² = 35.58 sqft ≈ 2 tatami mats
- 1 Tan (反) = 300 Tsubo = 991.74 m² = 10,675 sqft = 0.245 acres
- 1 Chō (町) = 10 Tan = 3,000 Tsubo = 9,917.36 m² = 2.45 acres ≈ 1 hectare
- 1 Acre = 1,224 Tsubo = 4,047 m²
- 1 Hectare = 3,025 Tsubo = 10,000 m²
Understanding Traditional Japanese Land Units
Historical Context: The Shakkanhō (尺貫法) measurement system was standardized in 1891 and remained official until 1966, when Japan fully transitioned to the metric system.
Modern Usage:
- Real Estate: Tsubo still widely used for property listings and pricing
- Agriculture: Tan and Chō remain common among farmers
- Legal: Metric required since 1966, but traditional units persist informally
FAQs
How many square meters in 1 Tsubo?
1 Tsubo = 3.30579 square meters (exact: 400/121 m²). This was standardized in 1891.
Why is Tsubo still used in modern Japan?
Despite metric being official since 1966, real estate professionals and older generations still use Tsubo for property transactions and pricing.
What is the relationship between Tsubo and tatami?
1 Tsubo = area of 2 standard tatami mats. Traditional rooms are measured in "jō" (畳) = 1 tatami mat = 0.5 Tsubo.
Are Tan and Chō still used?
Mainly by farmers and for agricultural land. Urban properties typically use Tsubo or square meters.