Convert rais to square feet

1 rai=17,222.26ft²

Use the converter below to change any rais value into square feet instantly — with formula, conversion table, and real-world examples.

You have

Equals

17,222.26

Conversion formula

Forward

square feet = rais × 17,222.26

Reverse

rais = square feet × 5.8064e-5

Example: 10 rai × 17,222.26 = 172,222.57 ft².

About both units

From

Rai

rai

The rai equals 1600 square metres exactly — the traditional Thai land unit. It is 1/6.25 of a hectare. Still widely used in Thai property transactions and agricultural documents. A rai is subdivided into 4 "ngan" (400 m² each).

Real-world: A small Thai farm might be 10–20 rai (1.6–3.2 ha). Thai rice yields: 400–600 kg per rai.

Read full rai reference →

Square Foot

ft²

The square foot equals 929.03 square centimetres. It is the dominant unit for US home interior area and commercial space leasing. A 1500 ft² US home is typical suburban size (≈ 140 m²). Office space in the US is priced per ft² per year.

Real-world: A US suburban home is 1500–2500 ft². Manhattan office rents $60–120 per ft²/year. A small studio apartment is 400 ft².

Read full square foot reference →

Rai to Square Foot conversion table

Common rais to square feet values for quick reference.

Rai (rai)	Square Foot (ft²)
1 rai	17,222.26 ft²
5 rai	86,111.28 ft²
10 rai	172,222.57 ft²
50 rai	861,112.83 ft²
100 rai	1,722,225.67 ft²
500 rai	8,611,128.33 ft²
1,000 rai	17,222,256.67 ft²
5,000 rai	86,111,283.33 ft²
10,000 rai	172,222,566.67 ft²
50,000 rai	861,112,833.34 ft²

Tips & common mistakes

Quick tips

1 rai = 1600 m² = 0.16 ha.
1 rai = 4 ngan = 400 tarang wa.
1 hectare = 6.25 rai.

Avoid these

Assuming rai equals hectare — only 16%.
Mixing rai with ngan or tarang wa without conversion.
Using rai outside Thailand — not internationally recognised.

Frequently asked questions

How many square feet in a rai?

One rai equals 17,222.26 square feet.

How do I convert rais to square feet?

Multiply the rai value by 17,222.26 to get the equivalent in square feet.

What is 100 rais in square feet?

100 rais equals 1,722,225.67 square feet.

Is a rai bigger than a square foot?

Yes. 1 rai equals 17,222.26 square feet, so one rai is larger.

How to convert rais to square feet without a calculator?

Multiply by 17,222.26 for a quick estimate; use a calculator for precise results.

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Convert rais to square feet

🧮 Conversion formula