Example engineering calculations
Worked, unit-aware calculation worksheets across structural, mechanical, electrical and more. Open any example into your own workspace to edit and reuse.
39 examples found
Journal Bearing Pressure
Projected bearing pressure of a journal (plain) bearing.
Disc Brake Torque
Braking torque from a disc brake’s friction force and radius.
Torque to Angularly Accelerate
Torque required to angularly accelerate a rotating mass.
Centrifugal Force of a Rotating Mass
Outward centrifugal force on a mass rotating at angular speed.
Hydraulic Cylinder Force
Output force of a hydraulic cylinder from the supply pressure and bore.
Fatigue Endurance Limit (Estimate)
First-estimate endurance limit of a steel from its ultimate tensile strength.
Springs in Series
Equivalent stiffness of two springs connected in series.
Springs in Parallel
Equivalent stiffness of two springs connected in parallel.
Damping Ratio
Damping ratio of a vibrating system from its damping, stiffness and mass.
Compound Gear Train Ratio
Overall ratio of a two-stage compound gear train.
Pulley System Mechanical Advantage
Mechanical advantage of a block-and-tackle pulley system.
Air–Fuel Ratio
Air–fuel ratio of a combustion process by mass.
Energy from Fuel Calorific Value
Energy released by burning a fuel from its mass and calorific value.
Engine Compression Ratio
Compression ratio of a reciprocating engine from its cylinder volumes.
Pump Volumetric Efficiency
Volumetric efficiency of a positive-displacement pump.