← 所有单位转换
📐
面积 转换
8 个转换
m² → ft²
Square-meter to Square-foot
NIST 精确值 ft² → m²
Square-foot to Square-meter
NIST 精确值 ha → ac
Hectare to Acre
NIST 精确值 ac → ha
Acre to Hectare
NIST 精确值 km² → mi²
Square-kilometer to Square-mile
NIST 精确值 mi² → km²
Square-mile to Square-kilometer
NIST 精确值 m² → 亩
Square-meter to Mu
亩 → m²
Mu to Square-meter
数值基于 NIST SP 811 转换系数