Physics
Physics calculators for projectile motion, optics, electromagnetism, fluid dynamics, and relativistic mechanics.
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Fluid Dynamics (Bernoulli) Calculator
Apply Bernoulli's equation to calculate pressure or velocity changes in an ideal fluid between two points at different heights.
Buoyancy Calculator
Calculate the buoyant force, net force, and whether an object floats or sinks using Archimedes' principle: F_b = ρ_fluid × V × g.
Capacitance Calculator
Calculate the capacitance of a parallel plate capacitor from plate area, separation, and dielectric constant using C = ε₀εᵣA/d.
Diffraction Grating Calculator
Calculate diffraction angles for each order using d sin(θ) = mλ. Find the maximum observable order and angular dispersion.
Doppler Effect Calculator
Calculate the observed frequency when a sound source and observer are in relative motion using the Doppler effect equation.
Electromagnetic Wave Calculator
Calculate the wavelength, photon energy, and momentum of an electromagnetic wave from its frequency using c = fλ and E = hf.
Inductance Calculator
Calculate the inductance of a solenoid from turns, length, cross-section area, and core permeability using L = μ₀μᵣN²A/l.
Magnetic Field Calculator
Calculate the magnetic field strength (B) for a straight wire, solenoid, or circular loop using Biot-Savart and Ampere's law.
Optics Lens Calculator
Calculate image distance, magnification, and image properties using the thin lens equation (1/f = 1/do + 1/di).
Pendulum Calculator
Calculate the period and frequency of a simple pendulum from its length and local gravitational acceleration using T = 2π√(L/g).
Projectile Motion Calculator
Calculate the range, maximum height, and flight time of a projectile given its initial velocity, launch angle, and initial height.
RC Circuit Time Constant Calculator
Calculate the time constant (τ = RC), voltage, and current at any time for an RC circuit during charging or discharging.
Relativistic Mechanics Calculator
Calculate time dilation, length contraction, relativistic mass, kinetic energy, and momentum from velocity as a fraction of the speed of light.
RLC Resonance Calculator
Calculate the resonant frequency, Q factor, and bandwidth of a series RLC circuit. Visualize the impedance curve.
Snell's Law Calculator
Calculate the refraction angle when light passes between two media using Snell's law: n₁ sin(θ₁) = n₂ sin(θ₂). Includes critical angle and Fresnel reflectance.
Centripetal Force Calculator
Force from mass, velocity, and radius.
Hooke's Law Calculator
Spring force, elastic potential energy, and oscillation period.
Torque Calculator
Torque from force, lever arm, and angle with unit conversions.
Momentum Calculator
Linear momentum, impulse, and kinetic energy from mass and velocity.
Work-Energy Calculator
Work, kinetic energy, and power from force and displacement.
Gravitational Force Calculator
Newton's law of universal gravitation: F = Gm1m2/r².
Electric Field Calculator
Electric field, force, and potential from charge and distance.
Wave Speed Calculator
Wave speed from frequency and wavelength (v = fλ).
Elastic Collision Calculator
Final velocities and energy transfer in 1D elastic collisions.
Simple Harmonic Motion Calculator
Displacement, velocity, and acceleration at any time in SHM.
Terminal Velocity
v = √(2mg/(ρ C_d A)) at steady drag = weight.
Ohm's Law Current Calculator
Calculate electric current from voltage and resistance using Ohm's law (I = V / R).