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    Physics

    Explore principles of motion, energy, force, and thermodynamics using our free online physics calculators for students, teachers, and professionals.

    6 subcategories37 calculators available

    ⚡ Mechanics

    9 calculators available

    9

    Elastic Collision & Inelastic Collision

    Calculate velocities and energies in collision scenarios

    Center of Mass Calculator

    Find the center of mass for multiple objects

    Angular Momentum

    Calculate angular momentum and torque

    Moment of Inertia

    Calculate rotational inertia for various shapes

    Equilibrium of Forces

    Analyze force equilibrium in static systems

    Friction Calculator (Static & Kinetic)

    Calculate frictional forces and coefficients

    Relative Velocity

    Calculate relative motion between objects

    Projectile Motion Calculator

    Calculate maximum height, range, and time of flight

    Kinematics Calculator

    Solve the 4 kinematic SUVAT equations

    🌌 Gravitation & Astronomy

    6 calculators available

    6

    Gravitational Potential Energy

    Calculate gravitational potential in fields

    Escape Time Calculator

    Calculate escape velocity for celestial bodies

    Black Hole Schwarzschild Radius

    Calculate event horizon radius

    Light Year ↔ Distance Converter

    Convert between astronomical distance units

    Hubble's Law (Expansion of Universe)

    Calculate recession velocity and distance

    Stellar Luminosity (Stefan–Boltzmann Law)

    Calculate stellar brightness and temperature

    🌊 Waves & Sound

    5 calculators available

    5

    Wave Equation Solver

    Solve wave propagation equations

    Beats Frequency Calculator

    Calculate beat frequency from interfering waves

    Standing Waves in Strings & Pipes

    Analyze resonance frequencies

    Sound Velocity in Mediums

    Calculate sound speed in different materials

    Doppler Effect Calculator

    Calculate apparent frequency shifts

    🔭 Optics

    5 calculators available

    5

    Focal Length Calculator

    Calculate lens and mirror focal lengths

    Lens Maker's Formula

    Design lenses with specific properties

    Optical Power of Lens

    Calculate diopter and magnification

    Interference Fringe Spacing

    Analyze double-slit interference patterns

    Diffraction Grating Equation

    Calculate wavelength and spacing

    🔋 Electricity & Magnetism

    7 calculators available

    7

    Charge Density Calculator

    Calculate charge distribution

    Drift Velocity

    Calculate electron flow in conductors

    Hall Effect Calculator

    Measure magnetic fields using Hall effect

    RL, RC, RLC Circuit Analyzer

    Analyze AC circuit behavior

    Power Factor Calculator

    Calculate AC power efficiency

    Skin Depth in AC Circuits

    Calculate current penetration depth

    Ohm's Law Calculator

    Solve relationships between V, I, R, and P

    ☢ Modern Physics

    5 calculators available

    5

    Mass–Energy Equivalence (E=mc²)

    Calculate energy from mass conversion

    Binding Energy per Nucleon

    Calculate nuclear binding energy

    Radioactive Activity (A=λN)

    Calculate radioactive decay rates

    Semiconductor Band Gap

    Calculate energy gaps in materials

    X-Ray Wavelength (Bragg's Law)

    Analyze crystal structure using X-rays

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