The psi, or pounds per square inch, is a unit of pressure (P) using the foot-pound-second (FPS) system. To calculate psi, divide the force applied (F) with the area (A).
Know MoreUse an instrument such as a force gauge, spring scale or strain gauge. Make sure that the unit is in pounds. Convert the value if necessary.
Measure the length and the width, and make sure that both values use the same unit, in this case inches, you can proceed to multiply them.
Divide the measured force (in pounds) with the measure area (in square inches).
The basic formula for contribution per unit is total revenue minus total variable costs divided by the total units. Contribution per unit describes how the sale of one unit affects a company's net income. Contribution per unit is also known as contribution margin per unit.
Full Answer >Calculating the occupant load of a room or building requires first calculating the area of the space in question in square feet, and then dividing the area by the occupant load factor specified by the International Building Code. The resulting number from this calculation determines how many occupants can legally use the space at one time.
Full Answer >Calculating man hours involves determining how much time a project requires and how many employees are needed. The process can be completed before or after a project, and this example determines man hours after a project's completion. The calculations take a few minutes and require a calendar and a calculator.
Full Answer >A calculator can be used to calculate the size of an angle using an inverse trigonometric function if the lengths of the two line segments forming the angle are known, according to RegentsPrep.org. The formula for the number of radians in an angle is arccosine(adjacent side length/hypotenuse length).
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