Convert square miles to rais

1 mi²=1,618.74rai

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

You have

Equals

1,618.74

Conversion formula

Forward

rais = square miles × 1,618.74

Reverse

square miles = rais × 0.0006178

Example: 10 mi² × 1,618.74 = 16,187.43 rai.

About both units

From

Square Mile

mi²

The square mile equals 2.589988 square kilometres. It is used for US and UK geographic areas — city, county, state and country sizes. Greater London is 607 mi²; the US state of Texas is 268,597 mi².

Real-world: New York City is 302.6 mi². Texas is 268,597 mi². Greater London is 607 mi².

Read full square mile reference →

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 Mile to Rai conversion table

Common square miles to rais values for quick reference.

Square Mile (mi²)	Rai (rai)
1 mi²	1,618.74 rai
5 mi²	8,093.71 rai
10 mi²	16,187.43 rai
50 mi²	80,937.13 rai
100 mi²	161,874.26 rai
500 mi²	809,371.28 rai
1,000 mi²	1,618,742.57 rai
5,000 mi²	8,093,712.84 rai
10,000 mi²	16,187,425.69 rai
50,000 mi²	80,937,128.45 rai

Tips & common mistakes

Quick tips

1 mi² = 2.59 km² = 640 acres.
US land survey "section" = 1 mi²; "township" = 36 mi².
Common in US geography; replaced by km² in most of world.

Avoid these

Confusing square miles with statute miles (length).
Using 2.5 km² shortcut — correct 2.59 km² differs by 3.5%.
Mixing nautical square miles (irregular) with statute square miles.

Frequently asked questions

How many rais in a square mile?

One square mile equals 1,618.74 rais.

How do I convert square miles to rais?

Multiply the square mile value by 1,618.74 to get the equivalent in rais.

What is 100 square miles in rais?

100 square miles equals 161,874.26 rais.

Is a square mile bigger than a rai?

Yes. 1 square mile equals 1,618.74 rais, so one square mile is larger.

How to convert square miles to rais without a calculator?

Multiply by 1,618.74 for a quick estimate; use a calculator for precise results.

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Convert square miles to rais

🧮 Conversion formula