🗺️ Jō (Tatami Mats, Japan) to Square Feet Converter

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Converted Value
435.938

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

1 jō = 17.4375 ft² 1 jō (tatami mat, Japan) equals 17.4375 square feet

To convert jō (tatami mats, Japan) to square feet, multiply the value by 17.4375. To go the other way, multiply square feet by 0.0573476 to get jō (tatami mats, Japan).

↔ Convert square feet to jō (tatami mats, Japan) instead

🧮 Formula

Jō (Tatami Mats, Japan) to Square Feet
ft² = jō × 17.4375
Square Feet to Jō (Tatami Mats, Japan)
jō = ft² × 0.0573476

Where

  • jō = the area in jō (tatami mats, Japan)
  • ft² = the area in square feet
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 square foot).

📊 Jō (Tatami Mats, Japan) to Square Feet conversion table

Jō (Tatami Mats, Japan) (jō)Square Feet (ft²)
1 jō17.4375 ft²
2 jō34.8751 ft²
5 jō87.1877 ft²
10 jō174.375 ft²
20 jō348.751 ft²
50 jō871.877 ft²
100 jō1,743.75 ft²
500 jō8,718.77 ft²
1,000 jō17,437.5 ft²

✏️ Worked examples

Convert 25 jō (tatami mats, Japan) to square feet

25 jō × 17.4375 = 435.938 ft²

Try this example →

Convert 250 jō (tatami mats, Japan) to square feet

250 jō × 17.4375 = 4,359.38 ft²

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.

Square foot (ft²). A square foot is 0.09290304 m², the standard unit for building and floor areas in the US, UK, India and many other countries.

❓ Frequently asked questions

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

There are 17.4375 square feet in one jō (tatami mat, Japan).

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

Multiply the number of jō (tatami mats, Japan) by 17.4375. For example, 10 jō (tatami mats, Japan) equal 174.375 square feet.

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

One square foot equals 0.0573476 jō (tatami mats, Japan).

What people are saying
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Anonymous · 04 Oct 2026