* 합성단위환산표(合成單位換算表) 속도 (速度) 1cm/s = 0.6m/min = 0.0328ft/s = 1.969ft/min 1km/h = 27.78cm/s = 0.9113ft/s = 0.621리/h 1리/h = 88ft/s = 1.609km/h 1절 = 1.853km/h = 1.52리/h 밀도 (密度) 1g/cm^3 = 0.0361lb/in^3 = 62.43lb/ft^3 1ft/in^3 = 27.68g/cm^3 = 1.728lb/ft^3 1lb/ft^3 = 0.01602g/cm^3 압력 (壓力) 1atm(기압) = 29.92inHg(수은주) =33.90ftH2O(수주) = 760mmHg(수은주) = 980밀리바 = 14.70lb/in^3 = 1.033kg/cm^2 1cm(수은주) = 0.0132기압 ..