🗺️ Jō (Tatami Mats, Japan) to Ares Converter

5.0 out of 5 (1 rating)
Advertisement

Enter details

Converted Value
4.05

Also available in our Android app, with charts and full breakdown tables.

Rate this calculator

Was it useful? A quick star rating helps others — and you can leave a comment too.
Rate it: ★ ★ ★ ★ ★
Advertisement

⚡ Jō (Tatami Mats, Japan) to Ares: the quick answer

1 jō = 0.0162 a 1 jō (tatami mat, Japan) equals 0.0162 ares

To convert jō (tatami mats, Japan) to ares, multiply the value by 0.0162. To go the other way, multiply ares by 61.7284 to get jō (tatami mats, Japan).

↔ Convert ares to jō (tatami mats, Japan) instead

🧮 Formula

Jō (Tatami Mats, Japan) to Ares
a = jō × 0.0162
Ares to Jō (Tatami Mats, Japan)
jō = a × 61.7284

Where

  • jō = the area in jō (tatami mats, Japan)
  • a = the area in ares
Every unit here is defined by its area in square meters, so the conversion factor is (square meters per jō (tatami mat, Japan)) ÷ (square meters per are).

📊 Jō (Tatami Mats, Japan) to Ares conversion table

Jō (Tatami Mats, Japan) (jō)Ares (a)
1 jō0.0162 a
2 jō0.0324 a
5 jō0.081 a
10 jō0.162 a
20 jō0.324 a
50 jō0.81 a
100 jō1.62 a
500 jō8.1 a
1,000 jō16.2 a

✏️ Worked examples

Convert 25 jō (tatami mats, Japan) to ares

25 jō × 0.0162 = 0.405 a

Try this example →

Convert 250 jō (tatami mats, Japan) to ares

250 jō × 0.0162 = 4.05 a

Try this example →

📘 About these units

Jō (tatami mat, Japan) (jō). In Japanese property listings one jō (tatami mat) is counted as at least 1.62 m². Actual mat sizes vary by region (about 1.5 to 1.8 m²). Used in: Asia — Japan, Korea & Taiwan.

Are (a). An are is 100 square meters (10 m × 10 m), used for plot sizes in much of Europe and in Russia, where it is called a sotka.

❓ Frequently asked questions

How many ares are in one jō (tatami mat, Japan)?

There are 0.0162 ares in one jō (tatami mat, Japan).

How do I convert jō (tatami mats, Japan) to ares?

Multiply the number of jō (tatami mats, Japan) by 0.0162. For example, 10 jō (tatami mats, Japan) equal 0.162 ares.

How many jō (tatami mats, Japan) are in one are?

One are equals 61.7284 jō (tatami mats, Japan).

What people are saying
★★★★★
Anonymous · 04 Oct 2026