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

Quick Reference

1 Acre [Ireland] = 4.0969 Rai

1 Rai = 0.244088 Acre [Ireland]

Acre [Ireland] to Rai Conversion Formula

To convert Acre [Ireland] to Rai, multiply by 4.0969.

Rai = Acre [Ireland] × 4.0969

Acre [Ireland] = Rai × 0.244088

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

About These Units

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.

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.

Acre [Ireland] to Rai Conversion Table

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

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