🗺️ Rai (Thailand) to Square Kilometers Converter

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Converted Value
0.0016

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

1 rai = 0.0016 km² 1 rai (Thailand) equals 0.0016 square kilometers

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

↔ Convert square kilometers to rai (Thailand) instead

🧮 Formula

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

Where

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

📊 Rai (Thailand) to Square Kilometers conversion table

Rai (Thailand) (rai)Square Kilometers (km²)
1 rai0.0016 km²
2 rai0.0032 km²
5 rai0.008 km²
10 rai0.016 km²
20 rai0.032 km²
50 rai0.08 km²
100 rai0.16 km²
500 rai0.8 km²
1,000 rai1.6 km²

✏️ Worked examples

Convert 25 rai (Thailand) to square kilometers

25 rai × 0.0016 = 0.04 km²

Try this example →

Convert 250 rai (Thailand) to square kilometers

250 rai × 0.0016 = 0.4 km²

Try this example →

📘 About these units

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.

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

❓ Frequently asked questions

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

There are 0.0016 square kilometers in one rai (Thailand).

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

Multiply the number of rai (Thailand) by 0.0016. For example, 10 rai (Thailand) equal 0.016 square kilometers.

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

One square kilometer equals 625 rai (Thailand).

What people are saying
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Anonymous · 04 Oct 2026