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Land MeasurementLand in Thailand is measured in rai, ngan and wah, and land prices are usually expressed in baht per rai or baht per wah for smaller plots. Metric measurements are normally used in construction and measurement of buildings. Conversion tablesMany westerners use inches, feet and yards, and many use the metric system of metres and hectares. The tables below should help you convert measurements to the ones you are most familiar with. 1 sq. wah = 4 sq. m. 1 acre = 2.471 rai or 43,560 sq. ft.
1 ngan = 100 wah (or 400 sq. m.) 1 hectare = 6.25 rai or 10,000 sq. m.
1 Rai = 4 Ngan (or 1600 sq. m.) | Sq. Wah | Sq. Feet | Sq. Metre | Ngan | Rai | Acres | Hectares | | | | | | | | | 1 | 43 | 4 | --- | --- | --- | --- | | 100 | 4,305 | 400 | 1 | 0.25 | 0.10 | 0.04 | | 400 | 17,222 | 1,600 | 4 | 1 | 0.40 | 0.16 | | 800 | 34,444 | 3,200 | 8 | 2 | 0.80 | 0.32 | | 1,200 | 51,667 | 4,800 | 12 | 3 | 1.20 | 0.48 | | 1,600 | 68,888 | 6,400 | 16 | 4 | 1.60 | 0.64 | | 2,000 | 86,111 | 8,000 | 20 | 5 | 2.00 | 0.80 | | 2,400 | 103,333 | 9,600 | 24 | 6 | 2.40 | 0.96 | | 2,800 | 120,555 | 11,200 | 28 | 7 | 2.80 | 1.12 | | 3,200 | 137,777 | 12,800 | 32 | 8 | 3.20 | 1.28 | | 3,600 | 155,000 | 14,400 | 36 | 9 | 3.60 | 1.44 | | 4,000 | 172,222 | 16,000 | 40 | 10 | 4.00 | 1.60 | | --- | --- | 32,000 | 80 | 20 | 8 | 3.20 | | --- | --- | 48,000 | 120 | 30 | 12 | 4.80 | | --- | --- | 64,000 | 160 | 40 | 16 | 6.40 | | --- | --- | 80,000 | 200 | 50 | 20 | 8.00 | | --- | --- | 96,000 | 240 | 60 | 24 | 9.60 | | --- | --- | 112,000 | 280 | 70 | 28 | 11.20 | | --- | --- | 128,000 | 320 | 80 | 32 | 12.80 | | --- | --- | 144,000 | 360 | 90 | 36 | 14.40 | | --- | --- | 160,000 | 400 | 100 | 40 | 16.00 |
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