How the specific weight of pure water 9.81 KN/m3 equals to 62.4 lb/ft3?

In this video we will learn the unit conversion of specific weight from MKS system to FPS system of unit. we will learn how 9.81 KN/m3 equals to 62.4 lb/ft3? what is specific weight and what is its unit?

#MKStoFPS #beingengineer #weightdensity

FPSMKSsystem of units