Unit Conversion 1) Convert 25,789 g to kilograms 2) Convert a density of 1500 kg/m to g/mL 3) Convert 20 kPa to kg/(m-s) 4) Calculate the mass of aluminum plate with the following dimensions: Length = 1.5 m, width = 15 cm, thickness = 1.8 mm. The density of aluminum = 2.7 g/cm 5) Calculate the work (J) needed to lift 1 kg of material a height of 3 m. 6) Horsepower (hp) is a commonly-used unit for power, e.g., in describing automobile engine power. One horsepower is equivalent to 550 ft lb/s. Convert 1 hp to Watt (W).