How many square metres is 1 rai?

Exactly 1,600 m². A rai is 40 × 40 metres if you picture it as a square.

How do I convert square metres to rai?

Divide by 1,600. 2,400 m² ÷ 1,600 = 1.5 rai, which the land office writes as 1 rai 2 ngan (1-2-0).

Title deeds give land as rai-ngan-square wah. 1-0-0 is 1 rai, 0 ngan, 0 square wah: 1,600 m².

Yes. It is a legal unit with one size, 1,600 m², across the country.

1 rai = 1,600 square metres. Enter rai (or rai-ngan-wah) to get square metres; switch the unit to m² to go back.

In rai

0.3125 rai

1 ngan 25 square wah · 0-1-25

1 งาน 25 ตารางวา

500 square metres = 500 m² = 0.1236 acres = 1 ngan 25 square wah

A land listing in Chiang Mai is 3.75 rai.

3.75 × 1,600 = 6,000 m²
On the title deed: 3 rai, then 0.75 rai × 4 = 3 ngan, so 3-3-0
At an asking price of ฿9,000,000, that is ฿9,000,000 ÷ 6,000 = ฿1,500 per m², or ฿2,400,000 per rai.

How many square metres is 1 rai?: Exactly 1,600 m². A rai is 40 × 40 metres if you picture it as a square.
How do I convert square metres to rai?: Divide by 1,600. 2,400 m² ÷ 1,600 = 1.5 rai, which the land office writes as 1 rai 2 ngan (1-2-0).
Why does a listing say 1-0-0 instead of 1 rai?: Title deeds give land as rai-ngan-square wah. 1-0-0 is 1 rai, 0 ngan, 0 square wah: 1,600 m².
Is a rai the same everywhere in Thailand?: Yes. It is a legal unit with one size, 1,600 m², across the country.

How big is a plot in rai, ngan and square wah, in square metres, acres or square feet?

How many acres is a plot measured in rai?

How many square metres is a plot measured in square wah (talang wah)?

What does a property cost per square metre or square foot, and how does that compare with the area?

Information may be inaccurate or out of date.