Physics Tools & Labs

SI base and derived units, unit converter, dimensional analysis, significant figures calculator.

Calculate speed and velocity from distance and time with unit conversions.

Calculate acceleration, final velocity, and displacement with kinematic equations.

Enter any 3 values (u, v, a, s, t) and automatically solve for the rest.

Calculate trajectory, range, max height, and flight time with animated visualization.

Centripetal force, angular velocity, and period for circular motion.

Calculate rotational force (moment) with lever arm visualization.

Newton's Second Law with free body diagrams, weight, friction, and inclined planes.

Momentum, impulse, elastic and inelastic collisions.

Spring force and elastic potential energy with animated spring visualization.

Newton's Universal Gravitation, orbital and escape velocities.

Kinetic, gravitational, and elastic potential energy with conservation laws.

Work by force, work-energy theorem, and power calculations.

Electrical energy, power, capacitor and inductor energy, Joule heating.

Sensible heat, latent heat, heat engine and Carnot efficiency.

First law, work in processes, specific heats, second law, entropy, kinetic theory.

Energy conversion formulas for common devices and systems.

Molecular speeds, pressure from collisions, kinetic energy-temperature relation, mean free path and diffusion.

Simple harmonic motion: displacement, velocity, acceleration, energy, time period.

Wave parameters, standing waves, Doppler effect, interference, and beats.

7 optical elements — converging, diverging, plano-convex, plano-concave, concave mirror, convex mirror, plane mirror. Canvas ray diagrams with step-by-step solutions.

Snell's law, apparent depth, critical angle, total internal reflection.

Spherical mirror formula, focal length, magnification, image analysis.

Thin lens formula, lens maker equation, combined lenses.

Deviation, minimum deviation, dispersive power, achromatic combination.

Young's double slit, diffraction grating, single-slit diffraction.

Simple/compound microscope, telescope magnification, resolving power.

Multi-surface lens design with ray tracing, spot diagrams, chromatic analysis. 15+ Sellmeier materials.

Freeform 2D ray tracing with 19 optical elements and 22 presets. Drag-and-drop mirrors, lenses, prisms, beam splitters, diffraction gratings. Undo/redo, JSON export.

Stress, strain, Young's modulus, bulk modulus, shear modulus.

Pressure, hydrostatic pressure, buoyancy, Archimedes' principle.

Continuity, Bernoulli's equation, viscosity, Reynolds number.

Coulomb's law, electric field and potential, Gauss's law, capacitor formulas.

Current, resistivity, Ohm's law, cells, bridges, potentiometer, RC circuits.

Magnetic field, force on wire, torque, flux, cyclotron motion.

Faraday's law, motional emf, inductance, AC reactance, LR & LC transients.

RMS values, pure R/L/C, series RLC, resonance curves, AC power and transformers with graphs and steps.

Speed of light, E–B relations, intensity & energy density, EM spectrum bands, displacement current and radiation pressure.

Compute gradient, divergence, and curl with step-by-step partial derivatives, 3D visualization, and printable worksheets.

Forward and inverse Laplace transforms with step-by-step solutions, partial fractions, and transfer function analysis.

Derive Euler-Lagrange equations, Hamiltonian, conservation laws, and numerical solutions with step-by-step derivations and D3.js animations.

Forward and inverse Fourier transforms with step-by-step solutions, frequency domain analysis, and spectrum visualization.

Forward and inverse Z-transforms with step-by-step solutions, ROC, and discrete stem plot visualization.

Einstein's equation, stopping potential, work function, threshold wavelength.

de Broglie wavelength, phase velocity, group velocity.

Atomic radius, energy levels, Rydberg formula, spectral series.

Heisenberg's position-momentum and energy-time uncertainty relations.

Lorentz factor, time dilation, length contraction, relativistic energy.

Cut-off wavelength, Moseley's law, characteristic X-rays.

Binding energy, mass defect, radioactive decay, half-life, Q-value.