Engineering Calculators

Ohm's Law Calculator

Find resistance and power from voltage and current using Ohm's Law.

Resistor Series/Parallel Calculator

Find the total resistance of two resistors in series or parallel.

Kinetic Energy Calculator

Find the kinetic energy of a moving object from its mass and velocity.

Beam Deflection Calculator

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

Three-Phase Power Calculator

Find real power delivered by a balanced three-phase electrical system.

Power Factor Calculator

Find the power factor of an electrical load from real and apparent power.

Bolt Torque Calculator

Estimate the tightening torque needed for a target bolt clamp force.

Thermal Expansion Calculator

Find how much a material expands when heated, from its length and coefficient of thermal expansion.

Fluid Flow Rate Calculator

Find the volumetric flow rate through a pipe from cross-sectional area and velocity.

Gear Ratio Calculator

Find the gear ratio and output speed from two gears' tooth counts.

Voltage Divider Calculator

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

Horsepower to Watts Calculator

Convert between mechanical horsepower and watts.

RC Charge Time Calculator

Find how long a resistor-capacitor circuit takes to charge to a given percentage.

Force Calculator

Find force from mass and acceleration using Newton's second law.

Reynolds Number Calculator

Find the Reynolds number for pipe flow to check whether it's laminar or turbulent.

Torque Calculator

Find torque from force and lever arm length.

Pressure Calculator

Find pressure from force and the area it's applied over.

Capacitor Series/Parallel Calculator

Find the total capacitance of two capacitors in series or parallel.

Inductor Energy Storage Calculator

Find the energy stored in an inductor's magnetic field.