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

Quick Reference

1 Rai = 0.244088 Acre [Ireland]

1 Acre [Ireland] = 4.0969 Rai

Rai to Acre [Ireland] Conversion Formula

To convert Rai to Acre [Ireland], multiply by 0.244088.

Acre [Ireland] = Rai × 0.244088

Rai = Acre [Ireland] × 4.0969

To convert Acre [Ireland] back to Rai, divide by 0.244088 (or multiply by 4.0969).

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 Acre [Ireland]

The Irish acre is a historical unit of area used in Ireland, equal to 6,555 square meters or approximately 1.62 standard acres. It was larger than the English acre and was used for land measurement before metrication.

Rai to Acre [Ireland] Conversion Table

Rai	Acre [Ireland]	Acre [Ireland]	Rai
0.1	0.024409	0.1	0.409687
0.5	0.122044	0.5	2.0484
1	0.244088	1	4.0969
2	0.488177	2	8.1937
5	1.2204	5	20.4844
10	2.4409	10	40.9688
20	4.8818	20	81.9375
25	6.1022	25	102.4219
50	12.2044	50	204.8438
100	24.4088	100	409.6875
250	61.0221	250	1024.22
500	122.0442	500	2048.44
1000	244.0885	1000	4096.88

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