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Area Converter

Convert between square centimeters, square meters, square kilometers, hectares, pyeong, square feet, square yards, and acres — instantly.

Inputs
Result
3.30579
1 평 = 3.30579 m²
Conversions use standard international factors; pyeong uses the Korean customary ratio (400/121 m²). Rounding may introduce tiny differences.

How area conversion works

Every area unit has a fixed ratio to the square meter. The value is first converted to square meters, then into the target unit.

result = value × ( factor_from / factor_to )

Common values

Value (평) Result
0.1 평 0.330579 m²
0.25 평 0.826446 m²
0.5 평 1.65289 m²
1 평 3.30579 m²
1.5 평 4.95868 m²
2 평 6.61157 m²
3 평 9.91736 m²
5 평 16.5289 m²
10 평 33.0579 m²

More detail

Common conversions

1 pyeong (평), the traditional Korean real-estate unit, equals 400/121 ≈ 3.30579 square meters — used for apartment and land listings across Korea. 1 hectare = 10,000 m². 1 acre = 4,046.86 m², commonly used for land area in the US and UK.

Apartment sizes. 1 pyeong (평) ≈ 3.306 m², so a 25-pyeong apartment is about 82.6 m². For square meters to square feet, multiply by roughly 10.76.

Frequently asked questions

How many square meters is 1 pyeong (평)?

1 pyeong = 400/121 ≈ 3.30579 m². For example, 33 pyeong is about 109.09 m² — enter your own value above for the exact conversion.

How many square meters is an acre?

1 acre = 4,046.8564 m² ≈ 1,224.17 pyeong — commonly used for land area in the US and UK.

How many pyeong is a hectare?

1 hectare (ha) = 10,000 m² = exactly 3,025 pyeong (10,000 × 121/400).

What's the relationship between square feet, square yards, and square meters?

1 ft² = 0.09290304 m², and 1 yd² = 9 ft² = 0.83612736 m² — a square yard is exactly 9 square feet.

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