Farm tools
Area converter: rai · ngan · square wah
Fill in any field and the others are calculated straight away — handy for checking field size before asking for a spraying quote, buying fertiliser or planning work.
Result
0 rai 0 ngan 0 sq wah
In rai (decimal): 0 · 0 m² · 0 ha
How the units relate
- 1 rai = 4 ngan = 400 square wah = 1,600 m²
- 1 ngan = 100 square wah = 400 m²
- 1 square wah = 4 m²
- 1 hectare = 10,000 m² = 6.25 rai
These are unit definitions, not estimates · the real size of a field depends on how it is measured — for a title deed, go by the document.
Examples
- A 2,000 m² field = 1 rai 1 ngan (1.25 rai)
- 10 rai = 16,000 m² = 1.6 hectares
- 3 rai 2 ngan 50 sq wah = 5,800 m²




