Physics calculators

Kinematics, dynamics, and classical-physics shortcuts.

Solve the common physics textbook calculations — velocity, acceleration, force, and energy — with units correctly tracked end to end.

Calculators

372

Topics: All Mechanics (114) Electricity (48)

Physics / Mechanics

Cantilever Beam Tip Deflection Calculator

Compute the tip deflection of a cantilever beam loaded with a point force P at its free end, using δ = P · L³ / (3 · E ·...

basic

397 5.0 1 min

Physics

Inductor Energy Stored Calculator

Calculates the energy stored in an inductor's magnetic field from its inductance and the current flowing through it.

basic

14,066 5.0 1 min

Physics

Standing Wave Harmonic Frequencies on a String Calculator

Calculates the harmonic frequencies f_n = n·v/(2L) for a string of length L fixed at both ends, with wave speed v = √(F/...

basic

13,347 4.2 1 min

Physics / Mechanics

Darcy-Weisbach Head Loss Calculator

Compute the head loss due to friction in a pipe using the Darcy-Weisbach equation h_f = f · (L/D) · v² / (2g), given the...

basic

11,350 4.2 1 min

Physics / Mechanics

Work-Energy Theorem Net Work Calculator

Applies the work-energy theorem to calculate net work done on an object from its initial and final speeds, plus individu...

basic

7,928 4.3 1 min

Physics / Mechanics

Hollow Cylinder Moment of Inertia from Inner and Outer Radius Calculator

Calculates the moment of inertia of a hollow cylinder rotating about its symmetry axis: I = ½·m·(R₂² + R₁²), where R₂ is...

basic

4,386 5.0 1 min

Physics

Thin Film Interference Constructive Destructive Calculator

Calculates minimum film thicknesses for constructive and destructive interference in a thin film (n_film > n_air, n_film...

basic

4,159 4.6 1 min

Physics / Mechanics

Simple Pendulum Period Calculator

Calculates the period T = 2π√(L/g) and frequency f = 1/T of a simple pendulum of length L under gravity g. Valid for sma...

basic

3,139 4.1 1 min

Physics

Solenoid Magnetic Field & Turns Calculator

Calculates the magnetic field inside a solenoid from number of turns, length, and current, using μ₀ = 4π×10⁻⁷ T·m/A.

basic

315 3.9 1 min

Physics

Beat Frequency from Two Sound Sources Calculator

Calculates the beat frequency f_beat = |f₁ − f₂| when two sound waves of slightly different frequencies are superimposed...

basic

23,303 4.5 1 min

Physics / Mechanics

Heat Conduction Calculator

Compute the steady-state rate of heat conduction through a flat wall or slab using Fourier's law of conduction: Q = k ·...

basic

19,473 4.0 1 min

Physics

Single Slit Diffraction Minimum Angle Calculator

Calculates the angular positions of diffraction minima (dark fringes) for single-slit Fraunhofer diffraction. Each order...

basic

19,230 5.0 1 min

Physics

RC Circuit Time Constant Calculator

Calculates the RC time constant and the capacitor voltage/charge at any elapsed time during charging or discharging.

basic

13,012 4.9 1 min

Physics

Coulomb's Law Electrostatic Force Between Two Charges Calculator

Calculates the electrostatic force between two point charges using Coulomb's law: F = k·|q₁·q₂|/r², where k = 8.9875×10⁹...

basic

10,148 4.7 1 min

Physics / Mechanics

Projectile Motion Calculator

Compute range, max height, and flight time for a projectile launched at an angle.

basic

7,377 4.5 1 min

Physics

AC Apparent, Real & Reactive Power Calculator

Calculates apparent power (VA), real power (W), reactive power (VAr), and power factor from voltage, current, and phase...

basic

3,836 4.1 1 min

Physics / Mechanics

Hooke's Law Spring Force and Elastic Potential Energy Calculator

Calculates spring restoring force F = kx, elastic potential energy PE = ½kx², and oscillation period T = 2π√(m/k) for a...

basic

2,981 4.3 1 min

Physics / Mechanics

Impulse-Momentum Theorem Calculator

Calculates impulse, change in momentum, and average force from mass, initial/final velocity, and contact time.

basic

1,939 4.3 1 min

Physics

Carnot Engine Efficiency and Waste Heat Calculator

Calculates the Carnot efficiency η = 1 − T_c/T_h, the maximum work W = Q_h·η, and the waste heat Q_c = Q_h − W for a hea...

basic

24,004 4.9 1 min

Physics / Mechanics

Elastic Collision Final Velocities Calculator

Calculates final velocities after a one-dimensional perfectly elastic collision between two objects using conservation o...

basic

22,485 3.8 1 min

Physics

Photon Energy from Wavelength Calculator

Calculates photon energy from wavelength using E = hc/λ. Outputs energy in both electron-volts (eV) and joules (J). Ente...

basic

18,525 3.8 1 min

Physics

Electric Potential from Point Charge and Distance Calculator

Calculates the electric potential V = k·q/r at a distance r from a point charge q, where k = 8.9875×10⁹ N·m²/C². Also co...

basic

18,446 4.9 1 min

Physics / Electricity

Ohm's Law Calculator

Relate voltage, current, and resistance — solve for whichever variable is missing.

basic

16,415 3.8 1 min

Physics

De Broglie Matter Wavelength Calculator

Calculates the de Broglie wavelength of a particle from its mass and velocity, illustrating wave-particle duality.

basic

8,915 4.6 1 min

Showing 145 to 168 of 372 results

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Solve the common physics textbook calculations — velocity, acceleration, force, and energy — with units correctly tracked end to end.

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Physics calculators

Cantilever Beam Tip Deflection Calculator

Inductor Energy Stored Calculator

Standing Wave Harmonic Frequencies on a String Calculator

Darcy-Weisbach Head Loss Calculator

Work-Energy Theorem Net Work Calculator

Hollow Cylinder Moment of Inertia from Inner and Outer Radius Calculator

Thin Film Interference Constructive Destructive Calculator

Simple Pendulum Period Calculator

Solenoid Magnetic Field & Turns Calculator

Beat Frequency from Two Sound Sources Calculator

Heat Conduction Calculator

Single Slit Diffraction Minimum Angle Calculator

RC Circuit Time Constant Calculator

Coulomb's Law Electrostatic Force Between Two Charges Calculator

Projectile Motion Calculator

AC Apparent, Real & Reactive Power Calculator

Hooke's Law Spring Force and Elastic Potential Energy Calculator

Impulse-Momentum Theorem Calculator

Carnot Engine Efficiency and Waste Heat Calculator

Elastic Collision Final Velocities Calculator

Photon Energy from Wavelength Calculator

Electric Potential from Point Charge and Distance Calculator

Ohm's Law Calculator

De Broglie Matter Wavelength Calculator