Solving doubts, land size, measurement, Thai - Metric system

Do you want to know that every home What is the size of the area?
when comparing Thai and metric units of measurement
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Nowadays, building houses It's all square meters.
What should we do when our land is a unit of sq wa, ngan, rai...
If anyone still doesn't think So let's go see it.

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 Thai-Metric unit of measurement system
Thai unit of measurement system: cuis, wa, ngan, rai...

• Comparison of area sizes, Thai-Metric system of measurements
  1 square wah = 4 square meters
  100 square wa = 400 square meters
  400 square wa = 1,600 square meters
  1 rai = 1,600 square meters
• Small scales of knowledge how to find square meters
  sq.wa. x 4 = sq.m.