Convert Japanese Tsubo to Acre easily.
1 坪 x 0.000816877 = 0.000816877 ac
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Whether you're comparing property sizes in Tokyo and Texas or analyzing historical land records, converting between Japanese Tsubo and Acres bridges Eastern and Western measurement traditions. Let's explore this practical conversion that connects tatami mats to tractors.
Unit definitions
What is a Japanese Tsubo (坪)?
Description: A traditional Japanese area unit rooted in the size of tatami mats
Symbol: 坪
Common uses: Real estate, flooring, architecture
Definition: 1 Tsubo = 400/121 square meters ≈ 3.30579 m²
What is an Acre (ac)?
Description: Imperial unit for large land areas
Symbol: ac
Common uses: Agriculture, forestry, rural property
Definition: 1 Acre = 43,560 square feet ≈ 4,047 m²
Conversion formula
1 Tsubo = 0.000816877 Acres
To convert Tsubo to Acres:
Acres = Tsubo × 0.000816877
To convert Acres to Tsubo:
Tsubo = Acres ÷ 0.000816877
Example calculations
- Converting 10 Tsubo to Acres:
10 × 0.000816877 = 0.00816877 Acres - Converting 2.5 Acres to Tsubo:
2.5 ÷ 0.000816877 ≈ 3,060.70 Tsubo
Conversion tables
Tsubo to Acres (1-10)
| Tsubo | Acres |
|---|---|
| 1 | 0.000816877 |
| 2 | 0.001633754 |
| 3 | 0.002450631 |
| 4 | 0.003267508 |
| 5 | 0.004084385 |
| 6 | 0.004901262 |
| 7 | 0.005718139 |
| 8 | 0.006535016 |
| 9 | 0.007351893 |
| 10 | 0.00816877 |
Acres to Tsubo (1-10)
| Acres | Tsubo |
|---|---|
| 1 | 1,224.17 |
| 2 | 2,448.34 |
| 3 | 3,672.51 |
| 4 | 4,896.68 |
| 5 | 6,120.85 |
| 6 | 7,345.02 |
| 7 | 8,569.19 |
| 8 | 9,793.36 |
| 9 | 11,017.53 |
| 10 | 12,241.70 |
From tatami mats to farmland
The Tsubo's history begins with tatami mats, standardized during the Edo period (1603-1868). Originally based on the space needed for one mat (about 1.82m × 0.91m), it became crucial for urban planning in crowded Japanese cities. The Acre's story starts much earlier, evolving from medieval English farming practices as the area a yoke of oxen could plow in a day.
These units reveal cultural priorities: Japan's focus on efficient urban living versus Europe's agricultural roots. Interestingly, both measurements survived metrication efforts, showing how traditional units persist when they align with practical needs. Modern architects sometimes combine both systems, using Tsubo for building footprints and Acres for landscape planning around Japanese developments abroad.
Interesting facts
- A standard parking space in Japan (2.5 Tsubo) equals 0.00204 Acres
- Central Park in New York (843 Acres) equals about 1,030,000 Tsubo
- The Tsubo remains legally recognized in Japan alongside metric units
- 1 Tsubo equals exactly 2 Japanese mats (畳)
- Silicon Valley tech campuses often use Acres for their size comparisons, while Tokyo offices use Tsubo
FAQ
This conversion is essential for international real estate transactions, agricultural land comparisons, or academic research involving Japanese and Western land measurements.
The conversion factor (1 Tsubo = 0.000816877 acres) is standardized, but always verify critical measurements with local authorities due to rounding differences.
Yes, despite metrication efforts, Tsubo remains widely used in real estate, architecture, and interior design for flooring measurements.
Tsubo measures smaller residential/commercial spaces, while Acres typically quantify larger agricultural or rural properties.
While our tool provides precise calculations, always consult a professional surveyor for legally binding measurements.