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Pyeong to Square foot
Converts pyeong to square foot with the exact defined factor. One pyeong is 35.5832 square foot.
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Enter a value to convert.
In short
One pyeong is 35.5832 square foot, so to convert pyeong to square foot you multiply by 35.5832, and to go back you multiply square foot by 0.0281032. 2 pyeong is 71.1663 square foot, 5 is 177.916 and 10 is 355.832. A pyeong is exactly the same area as a Japanese tsubo — 400/121 square metres, or 3.3058 m2. The useful mental figures are that a 84 m2 apartment, the most common size in Korea, is about 25.4 pyeong, and that "32 pyeong" means roughly 105 m2. Official listings have used square metres since 2007, but the pyeong never left everyday speech. The pyeong is used in South Korea, where apartment sizes are still quoted in pyeong in conversation even though listings must legally use square metres.
How to use the Pyeong to Square foot
- 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 Pyeong to Square foot
A pyeong is exactly the same area as a Japanese tsubo — 400/121 square metres, or 3.3058 m2. The useful mental figures are that a 84 m2 apartment, the most common size in Korea, is about 25.4 pyeong, and that "32 pyeong" means roughly 105 m2. Official listings have used square metres since 2007, but the pyeong never left everyday speech.
What people use it for
- Reading a listing or a document quoted in pyeong.
- Checking a figure someone else converted.
- Getting the exact factor to reuse in a spreadsheet.
Details
| 1 Pyeong | 35.5832 Square foot |
|---|---|
| 1 Square foot | 0.0281032 Pyeong |
| Definition | 1 pyeong = 3.30579 m2 = 35.583 ft2, identical to the Japanese tsubo. |
| Used in | South Korea, where apartment sizes are still quoted in pyeong in conversation even though listings must legally use square metres |
| Conversion type | Exact multiplication — both units are defined against the Square metre |
The maths behind it
This tool uses square foot = pyeong × 35.5832, an exact defined factor with no offset. Every intermediate value is shown on screen, so the result can be checked by hand.
1 pyeong = 3.30579 m2 = 35.583 ft2, identical to the Japanese tsubo.
Frequently asked questions
Why do Korean listings say square metres but everyone says pyeong?
Because the change was legal rather than cultural. Korea made metric units mandatory in property advertising in 2007, so the paperwork switched; conversation did not. People still size a flat in pyeong and then convert, which is exactly the gap this page fills.
What is the exact factor?
One pyeong is 35.5832 square foot, and one square foot is 0.0281032 pyeong. It is a defined value rather than a measurement, so it does not change and the conversion is exact in both directions.
Is the Pyeong to Square foot free, or is there a paid tier?
Free, unlimited, and no email address required. You can use it a hundred times a day and nothing changes.
Is my data uploaded anywhere?
No. The Pyeong to Square foot runs entirely in your browser using JavaScript. Your input never reaches inputtesthub.com or any third party — open your browser's Network tab while you use it and you will see no request go out.
How is the result calculated?
It uses square foot = pyeong × 35.5832, 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 do I get if I try it?
Enter 10 pyeong and the Pyeong to Square foot returns 355.832 square foot.
What is the Pyeong to Square foot used for?
The jobs it is built for: reading a listing or a document quoted in pyeong. 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.
Any caveats I should know about?
1 pyeong = 3.30579 m2 = 35.583 ft2, identical to the Japanese tsubo.
What are the reference figures here?
1 Pyeong is 35.5832 Square foot. 1 Square foot is 0.0281032 Pyeong. Definition is 1 pyeong = 3.30579 m2 = 35.583 ft2, identical to the Japanese tsubo.. 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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