🗺️ Square Kilometers to Rai (Thailand) Converter

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Converted Value
15,625

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⚡ Square Kilometers to Rai (Thailand): the quick answer

1 km² = 625 rai 1 square kilometer equals 625 rai (Thailand)

To convert square kilometers to rai (Thailand), multiply the value by 625. To go the other way, multiply rai (Thailand) by 0.0016 to get square kilometers.

↔ Convert rai (Thailand) to square kilometers instead

🧮 Formula

Square Kilometers to Rai (Thailand)
rai = km² × 625
Rai (Thailand) to Square Kilometers
km² = rai × 0.0016

Where

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

📊 Square Kilometers to Rai (Thailand) conversion table

Square Kilometers (km²)Rai (Thailand) (rai)
1 km²625 rai
2 km²1,250 rai
5 km²3,125 rai
10 km²6,250 rai
20 km²12,500 rai
50 km²31,250 rai
100 km²62,500 rai
500 km²312,500 rai
1,000 km²625,000 rai

✏️ Worked examples

Convert 25 square kilometers to rai (Thailand)

25 km² × 625 = 15,625 rai

Try this example →

Convert 250 square kilometers to rai (Thailand)

250 km² × 625 = 156,250 rai

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.

Rai (Thailand) (rai). A rai is 4 ngan, exactly 1,600 m² (40 m × 40 m), the main land unit in Thailand. Used in: Asia — Thailand & Southeast Asia.

❓ Frequently asked questions

How many rai (Thailand) are in one square kilometer?

There are 625 rai (Thailand) in one square kilometer.

How do I convert square kilometers to rai (Thailand)?

Multiply the number of square kilometers by 625. For example, 10 square kilometers equal 6,250 rai (Thailand).

How many square kilometers are in one rai (Thailand)?

One rai (Thailand) equals 0.0016 square kilometers.

What people are saying
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Anonymous · 04 Oct 2026