Physics Calculators

Kinematics, energy, fluids, circuits, and mechanics formulas with shareable results.

Kinematics

Angular Momentum Calculator

Angular momentum L = Iω.

Centripetal Acceleration Calculator

Centripetal acceleration from speed and radius.

Conservation of Momentum

Final velocity from conservation of momentum.

Escape Velocity Calculator

Minimum escape velocity from planet mass and radius.

Energy

Binding Energy Calculator

Nuclear binding energy from mass defect.

de Broglie Wavelength Calculator

Quantum wavelength from mass and velocity.

Elastic Potential Energy

Spring potential energy ½kx².

Flywheel Energy Storage

Rotational kinetic energy in a flywheel.

Fluids

Bernoulli's Equation Calculator

Pressure change from velocity change.

Buoyancy Calculator

Buoyant force from displaced fluid volume.

Drag Force Calculator

Drag force from Cd, area, density, and speed.

Circuits

Quarter-Wave Antenna Calculator

Quarter-wave monopole length from frequency.

Band-Pass Center Frequency

Geometric mean center frequency of a band-pass filter.

Cable Voltage Drop Calculator

Voltage drop across cable resistance.

Capacitors in Parallel

Equivalent capacitance in parallel.

Capacitors in Series

Equivalent capacitance in series.

Decibel Calculator

Decibels from power ratio.

Electric Potential Calculator

Electric potential from charge and distance.

Energy in Capacitor

Energy stored in a capacitor.

Mechanics

Bolt Torque to Tension

Clamp force from bolt torque.

Cam Follower Velocity

Follower velocity from angular speed and radius.

Cantilever Beam Deflection

End deflection of a cantilever beam.

Clutch Torque Capacity

Torque capacity from friction and radius.

Coriolis Force Calculator

Coriolis force from mass, velocity, and rotation.

Damped Natural Frequency

Damped natural frequency from ω₀ and ζ.

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