Engineering Calculators

Electrical, mechanical, and structural engineering calculators.

Ohm's Law Calculator

Calculate voltage, current, or resistance using Ohm's Law.

Voltage Divider Calculator

Calculate output voltage of a two-resistor voltage divider circuit.

Electrical Power Calculator

Calculate electrical power from voltage and current.

Simply Supported Beam Deflection Calculator

Calculate maximum deflection of a simply supported beam under a center point load.

Capacitor Energy Calculator

Calculate the energy stored in a charged capacitor.

Gear Ratio Calculator

Calculate the gear ratio and output speed between two gears.

Torque Calculator

Calculate torque from force and lever arm length.

Resistor Series & Parallel Calculator

Calculate total resistance for two resistors in series or parallel.

RC Time Constant Calculator

Calculate the time constant of a resistor-capacitor circuit.

Uniformly Loaded Beam Deflection Calculator

Calculate maximum deflection of a simply supported beam under a uniform load.

Spring Constant Calculator (Hooke's Law)

Calculate a spring's stiffness constant from applied force and displacement.

Pulley Mechanical Advantage Calculator

Calculate the mechanical advantage and effort force of a pulley system.

Pipe Flow Rate Calculator

Calculate volumetric flow rate from pipe cross-sectional area and fluid velocity.

Young's Modulus Calculator

Calculate a material's Young's modulus from applied stress and resulting strain.

Thermal Expansion Calculator

Calculate how much a material expands when heated.

Mechanical Stress Calculator

Calculate mechanical stress from applied force and cross-sectional area.

Mechanical Strain Calculator

Calculate mechanical strain from a material's length change.

Mechanical Efficiency Calculator

Calculate the efficiency of a machine from its output and input energy or power.

Power Factor Calculator

Calculate the power factor of an AC electrical circuit.

Voltage Drop Calculator

Calculate the voltage drop across a wire or resistive component.

Wire Resistance Calculator

Calculate a wire's electrical resistance from its length, cross-sectional area, and material.

RPM to Linear Speed Calculator

Convert rotational speed (RPM) to linear surface speed.

Cylinder Moment of Inertia Calculator

Calculate the moment of inertia of a solid cylinder about its central axis.

Natural Frequency Calculator (Spring-Mass System)

Calculate the natural oscillation frequency of a spring-mass system.

Fluid Velocity Calculator

Calculate fluid flow velocity from volumetric flow rate and pipe cross-sectional area.

Safety Factor Calculator

Calculate the factor of safety for a structural or mechanical component.