Use this free online calculator to convert Square Chain [Gunter Survey] to Rai instantly. This area conversion tool provides accurate results for all your measurement needs.

Quick Reference

1 Square Chain [Gunter Survey] = 0.252930 Rai

1 Rai = 3.9537 Square Chain [Gunter Survey]

Square Chain [Gunter Survey] to Rai Conversion Formula

To convert Square Chain [Gunter Survey] to Rai, multiply by 0.252930.

Rai = Square Chain [Gunter Survey] × 0.252930

Square Chain [Gunter Survey] = Rai × 3.9537

To convert Rai back to Square Chain [Gunter Survey], divide by 0.252930 (or multiply by 3.9537).

About These Units

About Square Chain [Gunter Survey]

The square chain [Gunter, survey] is a traditional unit of area in English surveying, defined to be the area of a square whose side equals Gunters chain (4 rods or 22 yards). Thus the square chain equals 16 square rods, 484 square yards, 4356 square feet, or exactly 0.1 acre.

About Rai

The rai is a traditional unit of land area in Thailand. The rai is now considered to equal exactly 1600 square meters, which is 0.16 hectare or approximately 0.3954 acre. The rai is divided into 4 ngan. The unit is called the hai in northern Thailand and the lai in Laos. The word means "field," that is, an upland field rather than a rice paddy.

Square Chain [Gunter Survey] to Rai Conversion Table

Square Chain [Gunter Survey]	Rai	Rai	Square Chain [Gunter Survey]
0.1	0.025293	0.1	0.395367
0.5	0.126465	0.5	1.9768
1	0.252930	1	3.9537
2	0.505859	2	7.9073
5	1.2646	5	19.7684
10	2.5293	10	39.5367
20	5.0586	20	79.0734
25	6.3232	25	98.8418
50	12.6465	50	197.6835
100	25.2930	100	395.3670
250	63.2324	250	988.4176
500	126.4648	500	1976.84
1000	252.9295	1000	3953.67

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