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Quick comparison table
Tap any row to send that value to the converter above.
| hectares | rai | rai-ngan-wah |
|---|---|---|
| 1 | 6.25 | 6-1-0 |
| 2 | 12.5 | 12-2-0 |
| 5 | 31.25 | 31-1-0 |
| 10 | 62.5 | 62-2-0 |
| 50 | 312.5 | 312-2-0 |
| 100 | 625 | 625-0-0 |
How the calculation works
A hectare is 10,000 square metres, so converting to rai means multiplying by 6.25. The figure appears often in rice, rubber or palm-oil cultivation reports that follow the metric standard, before being compared against title-deed areas recorded in rai-ngan-wah.
Example: an 8-hectare cultivated area equals exactly 50 rai — a figure that can be compared directly against agricultural plots traded in the local market.
See also: Rai → hectares, Rai → acres
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Frequently asked questions
How many rai is one hectare?
One hectare is 6.25 rai, or 10,000 square metres.
How many rai is 2 hectares?
2 hectares equals 12.5 rai.
Why do some Thai agricultural reports use hectares?
Agencies reporting to international bodies, such as the FAO, often use hectares as the global standard — even though rai remains the primary unit on Thai title deeds and in the local land market.