UnitConvConvert
Area

Convert rais to square centimeters

1 rai=16,000,000cm²

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

16,000,000

Conversion formula

Forward
square centimeters = rais × 16,000,000
Reverse
rais = square centimeters × 6.2500e-8

Example: 10 rai × 16,000,000 = 160,000,000 cm².

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 →
To

Square Centimeter

cm²

The square centimetre equals 1/10,000 of a square metre. It is used for small object surfaces — an A4 sheet is 21 × 29.7 = 623.7 cm². Common in biology (tissue areas), paper specifications and small-object dimensions.

Real-world: An A4 sheet is 623.7 cm². A postage stamp is typically 5–8 cm². A credit card is about 46 cm².
Read full square centimeter reference →

Rai to Square Centimeter conversion table

Common rais to square centimeters values for quick reference.

Rai (rai)Square Centimeter (cm²)
1 rai16,000,000 cm²
5 rai80,000,000 cm²
10 rai160,000,000 cm²
50 rai800,000,000 cm²
100 rai1,600,000,000 cm²
500 rai8,000,000,000 cm²
1,000 rai16,000,000,000 cm²
5,000 rai80,000,000,000 cm²
10,000 rai160,000,000,000 cm²
50,000 rai800,000,000,000 cm²

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 centimeters in a rai?
One rai equals 16,000,000 square centimeters.
How do I convert rais to square centimeters?
Multiply the rai value by 16,000,000 to get the equivalent in square centimeters.
What is 100 rais in square centimeters?
100 rais equals 1,600,000,000 square centimeters.
Is a rai bigger than a square centimeter?
Yes. 1 rai equals 16,000,000 square centimeters, so one rai is larger.
How to convert rais to square centimeters without a calculator?
Multiply by 16,000,000 for a quick estimate; use a calculator for precise results.

Related area conversions

📊 See full comparison matrix →

Conversions in other categories

WeightKilogramPoundLengthKilometerMileTemperatureCelsiusFahrenheitVolumeLiterUS GallonSpeedKilometer per HourMile per HourEnergyKilojouleKilocaloriePressureBarPound per Square InchPowerKilowattMechanical Horsepower