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

Quick Reference

1 Perch = 0.015808 Rai

1 Rai = 63.2590 Perch

Perch to Rai Conversion Formula

To convert Perch to Rai, multiply by 0.015808.

Rai = Perch × 0.015808

Perch = Rai × 63.2590

To convert Rai back to Perch, divide by 0.015808 (or multiply by 63.2590).

About These Units

About Perch

The perch is a unit of area. A perch of area covers exactly 272.25 square feet or about 25.292 85 square meters. There are 40 perches in a rood and 160 perches in an 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.

Perch to Rai Conversion Table

Perch	Rai	Rai	Perch
0.1	1.581e-3	0.1	6.3259
0.5	7.904e-3	0.5	31.6295
1	0.015808	1	63.2590
2	0.031616	2	126.5180
5	0.079040	5	316.2949
10	0.158080	10	632.5898
20	0.316161	20	1265.18
25	0.395201	25	1581.47
50	0.790402	50	3162.95
100	1.5808	100	6325.90
250	3.9520	250	15814.74
500	7.9040	500	31629.49
1000	15.8080	1000	63258.98

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