Land conversion can be little confusing in Thailand. Land area indicated on a Chanote (Title) are often shown in measurements of: Rai, Wah, Talang Wah (Square Wah), and Ngan. Before buying or renting a property in Thailand, kindly ensure that you understand what you are buying and how best to deal with this.The following chart is listed from smallest to largest unit(s) of measure to help scale your calculations:
| SQ. FT. | SQ. M. | SQ. WAH | NGAN | RAI | ACRE(S) | HECTARE(S) |
| 43 | 4 | 1 | ||||
| 4,305 | 400 | 100 | 1 | 0.25 | 0.1 | 0.04 |
| 17,222 | 1,600 | 400 | 4 | 1 | 0.4 | 0.16 |
| 34,444 | 3,200 | 800 | 8 | 2 | 0.8 | 0.32 |
| 51,667 | 4,800 | 1,200 | 12 | 3 | 1.2 | 0.48 |
| 68,888 | 6,400 | 1,600 | 16 | 4 | 1.6 | 0.64 |
| 86,111 | 8,000 | 2,000 | 20 | 5 | 2 | 0.8 |
| 103,333 | 9,600 | 2,400 | 24 | 6 | 2.4 | 0.96 |
| 120,555 | 11,200 | 2,800 | 28 | 7 | 2.8 | 1.12 |
| 137,777 | 12,800 | 3,200 | 32 | 8 | 3.2 | 1.28 |
| 155,000 | 14,400 | 3,600 | 36 | 9 | 3.6 | 1.44 |
| 172,222 | 16,000 | 4,000 | 40 | 10 | 4 | 1.6 |
| 32,000 | 80 | 20 | 8 | 3.2 | ||
| 48,000 | 120 | 30 | 12 | 4.8 | ||
| 64,000 | 160 | 40 | 16 | 6.4 | ||
| 80,000 | 200 | 50 | 20 | 8 | ||
| 96,000 | 240 | 60 | 24 | 9.6 | ||
| 112,000 | 280 | 70 | 28 | 11.2 | ||
| 128,000 | 320 | 80 | 32 | 12.8 | ||
| 144,000 | 360 | 90 | 36 | 14.4 | ||
| 160,000 | 400 | 100 | 40 | 16 |
