01
Length Converter
Converts between 15 length and distance units instantly, showing the exact conversion factor…
Rai to Hectare
Converts rai to hectare with the exact defined factor. One rai is 0.16 hectare.
Converters
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Enter a value to convert.
In short
One rai is 0.16 hectare, so to convert rai to hectare you multiply by 0.16, and to go back you multiply hectare by 6.25. 2 rai is 0.32 hectare, 5 is 0.8 and 10 is 1.6. The Thai land units nest cleanly in metric: 1 rai is 1600 m2, 1 ngan is 400 m2, and 1 square wah is 4 m2 — so a rai is 4 ngan and a ngan is 100 square wah, with no rounding anywhere. A title deed reads as three numbers in that order, and a plot written "2-1-50" means 2 rai, 1 ngan and 50 square wah, which is 3,800 m2. The rai is used in Thailand, where land is sold in rai and title deeds are written in rai, ngan and square wah.
How to use the Rai to Hectare
- Type the value you want to convert.
- Pick the unit you are converting from and the unit you want.
- The converted value and the exact conversion factor are shown instantly.
About the Rai to Hectare
The Thai land units nest cleanly in metric: 1 rai is 1600 m2, 1 ngan is 400 m2, and 1 square wah is 4 m2 — so a rai is 4 ngan and a ngan is 100 square wah, with no rounding anywhere. A title deed reads as three numbers in that order, and a plot written "2-1-50" means 2 rai, 1 ngan and 50 square wah, which is 3,800 m2.
What people use it for
- Reading a listing or a document quoted in rai.
- Checking a figure someone else converted.
- Getting the exact factor to reuse in a spreadsheet.
Details
| 1 Rai | 0.16 Hectare |
|---|---|
| 1 Hectare | 6.25 Rai |
| Definition | 1 rai = 1600 m2 = 4 ngan = 400 square wah = 0.3954 acre. |
| Used in | Thailand, where land is sold in rai and title deeds are written in rai, ngan and square wah |
| Conversion type | Exact multiplication — both units are defined against the Square metre |
The maths behind it
This tool uses hectare = rai × 0.16, an exact defined factor with no offset. Every intermediate value is shown on screen, so the result can be checked by hand.
1 rai = 1600 m2 = 4 ngan = 400 square wah = 0.3954 acre.
Frequently asked questions
How do I read a Thai title deed area like 2-1-50?
As rai, ngan and square wah in that order. Two rai is 3,200 m2, one ngan is 400, fifty square wah is 200 — 3,800 m2 in total. The three units are exact multiples of each other, so the arithmetic is always clean.
What is the exact factor?
One rai is 0.16 hectare, and one hectare is 6.25 rai. It is a defined value rather than a measurement, so it does not change and the conversion is exact in both directions.
Is there a limit on how often I can use the Rai to Hectare?
It is free, with no account, no trial and no daily cap. Every converters tool on inputtesthub.com works the same way: open the page and use it.
Is the Rai to Hectare safe to use with private information?
No. The Rai to Hectare runs entirely in your browser using JavaScript. Nothing is transmitted, logged or stored, which you can verify yourself in the Network tab of your browser's developer tools.
What is the equation behind the Rai to Hectare?
It uses hectare = rai × 0.16, an exact defined factor with no offset. The full working is printed under the result, so you can follow every step rather than trusting a black box.
What does a typical result look like?
Enter 10 rai and the Rai to Hectare returns 1.6 hectare.
Who is the Rai to Hectare for?
The most common reasons people reach for it: reading a listing or a document quoted in rai. Checking a figure someone else converted. Getting the exact factor to reuse in a spreadsheet. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
Is there a catch?
1 rai = 1600 m2 = 4 ngan = 400 square wah = 0.3954 acre.
What figures does the Rai to Hectare work from?
1 Rai is 0.16 Hectare. 1 Hectare is 6.25 Rai. Definition is 1 rai = 1600 m2 = 4 ngan = 400 square wah = 0.3954 acre.. These are printed on the page itself, so you do not have to take them on trust.
How precise is the result?
The calculation runs in double precision and the result is shown to ten significant figures, so converting a value and converting it back returns the original. What is displayed is rounded for readability; what is copied is not.
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