🗺️ Square Kilometers to Tsubo (Japan) Converter

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Converted Value
302,500

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⚡ Square Kilometers to Tsubo (Japan): the quick answer

1 km² = 302,500 tsubo 1 square kilometer equals 302,500 tsubo (Japan)

To convert square kilometers to tsubo (Japan), multiply the value by 302,500. To go the other way, multiply tsubo (Japan) by 3.30579 × 10⁻⁶ to get square kilometers.

↔ Convert tsubo (Japan) to square kilometers instead

🧮 Formula

Square Kilometers to Tsubo (Japan)
tsubo = km² × 302,500
Tsubo (Japan) to Square Kilometers
km² = tsubo × 3.30579 × 10⁻⁶

Where

  • km² = the area in square kilometers
  • tsubo = the area in tsubo (Japan)
Every unit here is defined by its area in square meters, so the conversion factor is (square meters per square kilometer) ÷ (square meters per tsubo (Japan)).

📊 Square Kilometers to Tsubo (Japan) conversion table

Square Kilometers (km²)Tsubo (Japan) (tsubo)
1 km²302,500 tsubo
2 km²605,000 tsubo
5 km²1,512,500 tsubo
10 km²3,025,000 tsubo
20 km²6,050,000 tsubo
50 km²15,125,000 tsubo
100 km²30,250,000 tsubo
500 km²151,250,000 tsubo
1,000 km²302,500,000 tsubo

✏️ Worked examples

Convert 25 square kilometers to tsubo (Japan)

25 km² × 302,500 = 7,562,500 tsubo

Try this example →

Convert 250 square kilometers to tsubo (Japan)

250 km² × 302,500 = 75,625,000 tsubo

Try this example →

📘 About these units

Square kilometer (km²). A square kilometer is one million square meters (100 hectares), used for countries, cities and lakes.

Tsubo (Japan) (tsubo). A tsubo is 6 shaku × 6 shaku, exactly 400/121 m² (3.3058 m²), about two tatami mats; still used for home and land sizes in Japan. Used in: Asia — Japan, Korea & Taiwan.

❓ Frequently asked questions

How many tsubo (Japan) are in one square kilometer?

There are 302,500 tsubo (Japan) in one square kilometer.

How do I convert square kilometers to tsubo (Japan)?

Multiply the number of square kilometers by 302,500. For example, 10 square kilometers equal 3,025,000 tsubo (Japan).

How many square kilometers are in one tsubo (Japan)?

One tsubo (Japan) equals 3.30579 × 10⁻⁶ square kilometers.

What people are saying
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Anonymous · 04 Oct 2026