👉 The term "ksi" in physics refers to a unit of pressure. It is used to measure the force per unit area that a fluid exerts on an object. The SI unit for pressure is Pascal (Pa), and it is defined as the force required to exert by 1 newton over a surface with an area of one square meter. In terms of units, ksi are equivalent to atmospheres (atm) or pascals (Pa). They are often used in the context of