Convert Jō (Tatami) (畳) to Square Meters (m²)
1 畳 = 1.652893 m². Enter any value in 畳 below and see it expressed in m² with full precision.
Formula
1 畳 = 1.652893 m²
To convert 畳 to m², multiply the value by 1.652893.
Conversion Table
| Jō (Tatami) (畳) | Square Meters (m²) |
|---|---|
| 0.01 畳 | 0.0165 m² |
| 0.1 畳 | 0.1653 m² |
| 0.5 畳 | 0.8264 m² |
| 1 畳 | 1.6529 m² |
| 2 畳 | 3.3058 m² |
| 3 畳 | 4.9587 m² |
| 5 畳 | 8.2645 m² |
| 10 畳 | 16.5289 m² |
| 15 畳 | 24.7934 m² |
| 20 畳 | 33.0579 m² |
| 25 畳 | 41.3223 m² |
| 50 畳 | 82.6446 m² |
| 100 畳 | 165.2893 m² |
| 250 畳 | 413.2233 m² |
| 500 畳 | 826.4465 m² |
| 1000 畳 | 1652.893 m² |
| 2500 畳 | 4132.2325 m² |
| 5000 畳 | 8264.465 m² |
| 10000 畳 | 16528.93 m² |
| 50000 畳 | 82644.65 m² |
Common 畳 to m² Examples
- 1 畳 = 1.6529 m²
- 5 畳 = 8.2645 m²
- 10 畳 = 16.5289 m²
- 25 畳 = 41.3223 m²
- 50 畳 = 82.6446 m²
- 100 畳 = 165.2893 m²
- 500 畳 = 826.4465 m²
- 1000 畳 = 1652.893 m²
About the units
Jō (Tatami) (畳) — The jō counts tatami mats and is how Japanese rooms are sized: a "6-jō room" fits six mats. A mat is about 1.62 m², though Kyoto, Nagoya and Tokyo mats differ slightly.
Frequently Asked Questions
Where does the unit 畳 come from?
The jō counts tatami mats and is how Japanese rooms are sized: a "6-jō room" fits six mats. A mat is about 1.62 m², though Kyoto, Nagoya and Tokyo mats differ slightly.
Where does the unit m² come from?
Square Meters is a Area unit with its own historical and regional roots, now defined in relation to internationally agreed reference standards.
How many decimal places should I keep when converting 畳 to m²?
For everyday use, 2 to 4 decimal places are enough. Scientific or engineering work may require 6 or more.
Can I convert m² back to 畳?
Yes. Simply invert the ratio: divide the m² value by 1.652893 to get the equivalent in 畳.
What is the difference between 畳 and m²?
Both measure Area, but they belong to different unit systems or scales, which is why a conversion factor is needed between them.
Why are there different units for Area?
Different regions and industries developed their own Area standards over time. International trade and science later required conversion tools to bridge them.