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

Quick Reference

1 Carreau = 8.0625 Rai

1 Rai = 0.124031 Carreau

Carreau to Rai Conversion Formula

To convert Carreau to Rai, multiply by 8.0625.

Rai = Carreau × 8.0625

Carreau = Rai × 0.124031

To convert Rai back to Carreau, divide by 8.0625 (or multiply by 0.124031).

About These Units

About Carreau

The Carreau is a traditional unit of land area in Haiti equal to approximately 1.29 hectares (3.18 acres). The unit originated as the area of a square 100 pas (Haitian paces) on a side, with the pas being equal to 3.5 pieds (French feet). Foreigners are not allowed to own more than 1 carreau of urban land or 5 carreaux of rural land in Haiti.

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.

Carreau to Rai Conversion Table

Carreau	Rai	Rai	Carreau
0.1	0.806250	0.1	0.012403
0.5	4.0313	0.5	0.062016
1	8.0625	1	0.124031
2	16.1250	2	0.248062
5	40.3125	5	0.620155
10	80.6250	10	1.2403
20	161.2500	20	2.4806
25	201.5625	25	3.1008
50	403.1250	50	6.2016
100	806.2500	100	12.4031
250	2015.63	250	31.0078
500	4031.25	500	62.0155
1000	8062.50	1000	124.0310

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