Use this free online calculator to convert Rai to Square Fathom instantly. This area conversion tool provides accurate results for all your measurement needs.

Quick Reference

1 Rai = 478.3941 Square Fathom

1 Square Fathom = 2.090e-3 Rai

Rai to Square Fathom Conversion Formula

To convert Rai to Square Fathom, multiply by 478.3941.

Square Fathom = Rai × 478.3941

Rai = Square Fathom × 2.090e-3

To convert Square Fathom back to Rai, divide by 478.3941 (or multiply by 2.090e-3).

About These Units

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.

About Square Fathom

The square fathom is a unit of area equal to the area of a square with sides of one fathom (6 feet). It was traditionally used in maritime and nautical measurements.

Rai to Square Fathom Conversion Table

Rai	Square Fathom	Square Fathom	Rai
0.1	47.8394	0.1	2.090e-4
0.5	239.1971	0.5	1.045e-3
1	478.3941	1	2.090e-3
2	956.7882	2	4.181e-3
5	2391.97	5	0.010452
10	4783.94	10	0.020903
20	9567.88	20	0.041807
25	11959.85	25	0.052258
50	23919.71	50	0.104516
100	47839.41	100	0.209033
250	119598.53	250	0.522582
500	239197.05	500	1.0452
1000	478394.11	1000	2.0903

Why Use Our Rai to Square Fathom Converter?

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