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.
315 examples
Latent Heat of Phase Change
Energy needed to change the phase of a mass at constant temperature.
Heat Pump Coefficient of Performance
Ideal coefficient of performance of a heat pump between two temperatures.
Heat Rate from Mass Flow
Heat added to or removed from a flowing stream from its mass flow rate and temperature change.
Capacitor Energy Storage
Energy stored in a charged capacitor from its capacitance and voltage.
Resistors in Series
Equivalent resistance of resistors connected in series.
Resistors in Parallel
Equivalent resistance of two resistors connected in parallel.
Voltage Divider
Output voltage of a two-resistor voltage divider.
Capacitive Reactance
Reactance of a capacitor at a given frequency.
Inductive Reactance
Reactance of an inductor at a given frequency.
LC Resonant Frequency
Natural resonant frequency of an inductor–capacitor circuit.
Wire Resistance
DC resistance of a length of conductor from its resistivity and cross-section.
DC Electrical Power
Power delivered to a DC load from its voltage and current.
Transformer Turns Ratio
Secondary voltage of an ideal transformer from its turns ratio.
Kinetic Energy
Translational kinetic energy of a moving mass.
Gravitational Potential Energy
Potential energy gained by raising a mass through a height.
Linear Momentum
Linear momentum of a moving body from its mass and velocity.
Work Done by a Force
Mechanical work done by a constant force over a distance.
Simple Pendulum Period
Oscillation period of a simple pendulum from its length.
Hooke’s Law Spring Force
Restoring force of a linear spring at a given deflection.
Centripetal Force
Inward force needed to keep a mass moving on a circular path.
Newtonian Gravitation Force
Gravitational attraction between two masses.
Density of a Material
Density of an object from its mass and volume.
Lever Mechanical Advantage
Load a lever can lift and its mechanical advantage from the arm lengths.
Average Speed
Average speed of a journey from distance and time.