Thai land unit converter: rai, ngan, square wa ↔ m²

Convert rai, ngan and square wa to square metres (and back) and work out a land price.

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How it works: Rai, ngan & wa converter

Thai land units: 1 rai = 4 ngan = 400 square wa = 1,600 m² · 1 ngan = 100 square wa = 400 m² · 1 square wa = 4 m².

Enter a price per square wa to get the price of the whole plot — handy when comparing listings or checking a title deed (chanote).

How many square metres is 1 rai?

1,600 m².

How big is 1 square wa?

4 m² (2 × 2 metres).