Sqft ↔ Sqm Converter
Not sure how big 500 sq ft is? Convert to square metres instantly, compare with mainland gross area, and know your space before you view.
HK uses usable area; mainland China uses gross area (incl. shared spaces). Estimated at 80% usable ratio: gross area ≈ usable area ÷ 0.80. Actual ratio varies by development.
Formula: m² = ft² × 0.09290304 ｜ Mainland gross area ≈ m² ÷ 0.80
Common HK Flat Sizes
About Area Conversion
Square Feet (ft²)
One square foot is the area of a square with sides of 0.3048 metres. Square feet is the standard unit used in the Hong Kong real estate market.
Square Metres (m²)
One square metre equals an area of 1 metre by 1 metre. Mainland China and most countries use square metres as the standard area unit.
Conversion Formula
1 sq ft = 0.09290304 m². Conversely, 1 m² = 10.7639104 sq ft. Based on the international standard of measurement.
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