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. New to Calculeaf? Start with your first worksheet or the examples guide.
515 examples
Torque from a Force at an Angle
Torque (moment) of a force applied at an angle to a lever arm.
Moment of a Force
Turning moment of a force about a pivot from its perpendicular distance.
Work–Energy Theorem
Work done on a body equal to its change in kinetic energy.
Centre of Mass of Two Bodies
Centre of mass of two point masses along a line.
Coefficient of Restitution
Coefficient of restitution of a collision from approach and separation speeds.
Motor Torque from Power
Output torque of a motor from its mechanical power and speed.
Generator Peak EMF
Peak EMF of a rotating coil generator.
Force on a Current-Carrying Conductor
Force on a conductor carrying current in a magnetic field.
Solenoid Magnetic Field
Magnetic flux density inside a long solenoid.
Capacitor Charge
Charge stored on a capacitor at a given voltage.
AC Impedance Magnitude
Magnitude of impedance of a series resistance and reactance.
Resistor Power Dissipation (I²R)
Power dissipated in a resistor from the current through it.
Charge from Current
Electric charge transferred by a steady current over time.
Resistance Change with Temperature
Resistance of a conductor at a new temperature via its temperature coefficient.
Wheatstone Bridge Balance
Unknown resistance from a balanced Wheatstone bridge.
Isothermal Compressor Work
Work to compress a gas isothermally from one pressure to another.
Pump Overall Efficiency
Overall efficiency of a pump from its hydraulic and shaft power.
Velocity Head
Velocity head (kinetic energy per unit weight) of a flowing fluid.
Mass Flow Through a Nozzle
Mass flow rate through a nozzle from density, area and velocity.
Venturi Meter Flow Rate
Flow rate from the pressure drop across a venturi meter.
Stirred-Tank Mixing Power
Power drawn by an impeller in a stirred tank from the power number.
Particle Settling Velocity (Stokes)
Terminal settling velocity of a small particle in a fluid by Stokes’ law.
Volumetric Thermal Expansion
Change in volume of a liquid or solid from a temperature change.
Flat-Plate Reynolds Number
Reynolds number for flow over a flat plate from the plate length.