初中物理中考必考单位换算 1.长度换算: 1Km=1000m 1dm=0.1m 1cm=10-2m 1mm=10-3m 2.面积换算: 1m² = 10²dm² = 104cm² 1dm² = 100cm² 1cm² = 100mm² 3.体积换算: 1m³ =106cm³ 1dm³ =1000cm³ 1cm³ =1000mm³ 4.容积换算: 1L= 1dm³ 1mL= 1cm³ 1L = 1000mL 1m³ = 1000L 5.质量换算: 1t= 10³kg 1kg =10³g = 106mg 1g =1000mg 6.时间换算: 1h= 60min 1min = 60s 1h = 3600s 7.速度换算: 1m/s = 3.6km/h 1km/h =1/3.6 m/s 8.密度换算: 1g/cm³ = 1×10³
