Physics calculators
Motion, forces, energy, electricity, waves and thermodynamics with SI and imperial units.
Kinematics calculators
29 calculators- Arrow Speed Calculator
- Ballistic Coefficient Calculator
- Car Jump Distance Calculator
- Conservation of Momentum Calculator
- Displacement Calculator
- Free Fall Calculator
- Free Fall with Air Resistance Calculator
- Friction Calculator
- Ground Speed Calculator
- Horizontal Projectile Motion Calculator
- Impulse and Momentum Calculator
- Inclined Plane Calculator
- Magnitude of Acceleration Calculator
- Maximum Height Calculator (Projectile Motion)
- MOA Calculator (Minute of Angle)
- Momentum Calculator
- Muzzle Velocity Calculator
- Polar Moment of Inertia Calculator
- Projectile Motion Calculator
- Projectile Range Calculator (Projectile Motion)
- Projectile Trajectory Calculator
- Quarter Mile Calculator
- Resultant Velocity Calculator
- Rolling Resistance Calculator
- Sled Ride Calculator
- SUVAT Calculator
- Terminal Velocity Calculator
- Time of Flight Calculator (Projectile Motion)
- Velocity Calculator
Dynamics calculators
13 calculators- Acceleration Calculator
- Angle of Banking Calculator
- Car Crash Force Calculator
- Force Calculator
- Gravitational Force Calculator
- Hooke’s Law Calculator
- kg to Newtons Calculator
- Newton’s Second Law Calculator
- Newton’s Third Law Calculator
- Normal Force Calculator
- Resultant Force Calculator (Net Force)
- Stopping Distance Calculator
- Tension Calculator
Statics calculators
5 calculatorsEnergy, work and power calculators
13 calculators- Bullet Energy Calculator
- EIRP Calculator (Effective Isotropic Radiated Power)
- Elastic Potential Energy Calculator
- FPE Calculator (Foot-Pounds of Energy)
- Impact Energy Calculator
- Kinetic Energy Calculator
- Potential Energy Calculator
- Power-to-Weight Ratio Calculator
- Recoil Energy Calculator
- Signal-to-Noise Ratio Calculator
- Watt Converter
- Work and Power Calculator
- Work Calculator
Rotational and periodic motion calculators
23 calculators- Angular Acceleration Calculator
- Angular Displacement Calculator
- Angular Frequency Calculator
- Angular Momentum Calculator
- Angular Velocity Calculator
- Centrifugal Force Calculator
- Centrifuge Speed Calculator (RPM and RCF)
- Centripetal Force Calculator
- Circular Motion Calculator
- Coriolis Effect Calculator
- Damping Ratio Calculator
- Flywheel Energy Storage Calculator
- Frequency Calculator
- Harmonic Wave Equation Calculator
- Kinetic Energy of a Pendulum Calculator
- Mass Moment of Inertia Calculator
- Physical Pendulum Calculator
- Rotational Kinetic Energy Calculator
- Rotational Stiffness Calculator
- Simple Harmonic Motion Calculator
- Simple Pendulum Calculator
- Torque Calculator
- Wavelength Calculator
Optics and light calculators
31 calculators- Angular Resolution Calculator
- Aperture Area Calculator
- Binoculars Range Calculator
- Blackbody Radiation Calculator
- Bragg’s Law Calculator
- Brewster’s Angle Calculator
- Contact Lens Vertex Calculator
- Diffraction Grating Calculator
- Diopter Calculator
- Distance to Horizon Calculator
- Earth Curvature Calculator
- Index of Refraction Calculator
- Laser Beam Divergence Calculator
- Laser Beam Expander Calculator
- Laser Beam Spot Size Calculator
- Laser Brightness Calculator
- Laser Linewidth and Bandwidth Calculator
- Lens Magnification Calculator
- Lens Maker’s Equation Calculator
- Lumen Calculator (Lumen to Lux to Candela)
- Lux to Foot Candles Converter
- Malus’s Law Calculator
- Mirror Equation Calculator
- Optical Density Calculator
- Radar Horizon Calculator
- Snell’s Law Calculator
- Speed of Light Calculator
- Telescope Field of View Calculator
- Telescope Magnification Calculator
- Thin Lens Equation Calculator
- Thin-Film Optical Coating Calculator
Acoustic waves calculators
15 calculators- Acoustic Impedance Calculator
- Alfvén Velocity Calculator
- Beat Frequency Calculator
- Critical Damping Calculator
- dB Gain Calculator
- Decibel Calculator (Sound Level)
- Distance Attenuation Calculator
- Doppler Effect Calculator
- Helmholtz Resonator Calculator
- Modulation Index Calculator
- Reverberation Time Calculator (RT60)
- Sound Absorption Coefficient Calculator
- Sound Wavelength Calculator
- Speed of Sound Calculator
- Speed of Sound in Solids Calculator
Materials and continuum mechanics calculators
39 calculators- Angle of Repose Calculator
- Angle of Twist Calculator
- Bend Allowance Calculator
- Brinell Hardness Number Calculator
- Buckling Calculator (Euler and Johnson)
- Bulk Modulus Calculator
- Copper Wire Weight Calculator
- Density Calculator
- Elastic Constants Calculator
- Elongation Calculator
- Factor of Safety Calculator
- Gold Weight Calculator
- Hoop Stress Calculator
- Impact Test Calculator (Charpy)
- Intrinsic Carrier Concentration Calculator
- Mohr’s Circle Calculator
- Natural Frequency Calculator
- Number Density Calculator
- Poisson’s Ratio Calculator
- Principal Stress Calculator
- Rockwell Hardness Calculator
- Section Modulus Calculator
- Shear Modulus Calculator
- Shear Strain Calculator
- Shear Stress Calculator
- Shear Wave Velocity Calculator
- Slenderness Ratio Calculator
- Specific Gravity Calculator
- Stiffness Matrix Calculator
- Stress Calculator
- Stress Concentration Factor Calculator
- Thermal Stress Calculator
- Torsional Constant Calculator
- Torsional Stiffness Calculator
- True Stress and True Strain Calculator
- Vickers Hardness Calculator
- Volume to Mass Calculator
- Von Mises Stress Calculator
- Young’s Modulus Calculator
Machines and mechanisms calculators
27 calculators- Belt Length Calculator
- Brake Mean Effective Pressure (BMEP) Calculator
- Carburetor CFM Calculator
- Compression Spring Design Calculator
- Crawl Ratio Calculator
- Diametral Pitch Calculator
- Engine Displacement Calculator
- Exhaust Diameter Calculator (Header Primary Tube)
- Fulcrum Calculator
- Gear Ratio Calculator
- Lever Calculator
- Linear Actuator Force Calculator
- Mechanical Advantage Calculator
- NPSH Calculator (Net Positive Suction Head)
- Piston Force Calculator
- Piston Speed Calculator
- Propeller Pitch Calculator
- Propeller Slip Calculator
- Pulley Calculator (Belt Drive)
- Pump Horsepower Calculator
- Shaft Size Calculator
- Speeds and Feeds Calculator
- Spring Rate Calculator
- Spring Rate Converter
- Torsional Spring Calculator
- Transmission Speed Calculator
- Wing Loading Calculator
Astronomy calculators
15 calculators- Alien Civilization Calculator
- Delta-v Calculator
- Earth Orbit Calculator
- Escape Velocity Calculator
- Exoplanet Discovery Calculator (Radial Velocity)
- Hohmann Transfer Calculator
- Ideal Rocket Equation Calculator
- Kepler’s Third Law Calculator
- Orbital Period Calculator
- Orbital Velocity Calculator
- Rocket Thrust Calculator
- Specific Impulse Calculator
- Synodic Period Calculator
- Thrust-to-Weight Ratio Calculator
- UFO Travel Calculator (Just for Fun)
Astrophysics calculators
11 calculatorsRelativity calculators
10 calculators- Barn–Pole Paradox Calculator
- Bug–Rivet Paradox Calculator
- E = mc² Calculator (Mass–Energy Equivalence)
- Electron Speed Calculator
- Gravitational Time Dilation Calculator
- Length Contraction Calculator
- Relativistic Kinetic Energy Calculator
- Relativistic Velocity Addition Calculator
- Space Travel Calculator (Constant Acceleration)
- Time Dilation Calculator
Electromagnetism calculators
43 calculators- AC Wattage Calculator
- Acceleration of a Particle in an Electric Field Calculator
- Capacitance Calculator (Parallel Plate)
- Capacitive Reactance Calculator
- Conductivity to Resistivity Converter
- Coulomb’s Law Calculator
- Cutoff Frequency Calculator
- Cyclotron Frequency Calculator
- Debye Length Calculator
- Delta to Wye Conversion Calculator (Δ–Y)
- Drift Velocity Calculator
- Electric Dipole Moment Calculator
- Electric Field of a Point Charge Calculator
- Electric Motor Torque Calculator
- Electric Potential Calculator
- Electrical Power Calculator
- Energy Density of Electric and Magnetic Fields Calculator
- Excess Electrons Calculator
- Faraday’s Law Calculator
- Free-Space Path Loss Calculator
- Frequency Bandwidth Calculator
- Fresnel Zone Calculator
- Gauss’s Law Calculator
- Hall Coefficient Calculator
- Horsepower to Amps Calculator
- Inductive Reactance Calculator
- Insertion Loss Calculator
- Internal Resistance Calculator
- kVA Calculator
- Lorentz Force Calculator
- Magnetic Dipole Moment Calculator
- Magnetic Field of a Straight Wire Calculator
- Magnetic Permeability Calculator
- Power Dissipation Calculator
- Power Factor Calculator
- Skin Depth Calculator
- Voltage Drop Calculator
- Volts to Electron-Volts Calculator
- VSWR Calculator
- Watt Calculator
- Watt-Hour Calculator
- Watts to Amps Calculator
- Watts to Lux Calculator
Electronics and circuits calculators
60 calculators- 555 Timer Astable Calculator
- Boost Converter Calculator
- Breaker Size Calculator
- Bridge Rectifier Calculator
- Buck Converter Calculator
- Capacitive Transformerless Power Supply Calculator
- Capacitor Charge Time Calculator
- Capacitor Code Calculator
- Capacitor Energy Calculator
- Capacitor Size Calculator
- Capacitors in Parallel Calculator
- Capacitors in Series Calculator
- Current Divider Calculator
- Dipole Antenna Calculator
- Flyback Converter Calculator
- Forward Converter Calculator
- Generator Power Calculator
- Helical Coil Calculator
- High-Pass Filter Calculator
- Ideal Transformer Calculator
- Inductor Energy Calculator
- Inverting Buck-Boost Converter Calculator
- J-Pole Antenna Calculator
- LC Resonant Frequency Calculator
- LED Resistor Calculator
- Low-Pass Filter Calculator
- Magnetic Force Between Wires Calculator
- Magnetic Force on a Current-Carrying Wire Calculator
- MOSFET Calculator
- MOSFET Threshold Voltage Calculator (Body Effect)
- Motor Capacitor Size Calculator
- Noise Figure Calculator
- Ohm’s Law and Power Calculator (V, I, R, P)
- Parallel Inductors Calculator
- Parallel Resistor Calculator
- RC Time Constant Calculator
- Resistor Color Code Calculator
- Resistor Noise Calculator (Johnson–Nyquist)
- Resistor Voltage Drop Calculator
- Resistor Wattage Calculator
- RLC Circuit Calculator
- RLC Impedance Calculator
- RMS Voltage Calculator
- Series Inductors Calculator
- Series Resistor Calculator
- Shockley Diode Equation Calculator
- SiPM Photon Detection Efficiency Calculator
- Solenoid Inductance Calculator
- Solenoid Magnetic Field Calculator
- Speaker Crossover Calculator
- Spherical Capacitor Calculator
- Three-Phase Power Calculator
- Transformer Sizing Calculator
- Transistor Biasing Calculator
- Voltage Divider Calculator
- Voltage Regulation Calculator
- Wheatstone Bridge Calculator
- Wire Gauge Calculator (AWG and SWG)
- Wire Resistance Calculator
- Wire Size Calculator
Fluid mechanics calculators
50 calculators- API Gravity Calculator
- Archimedes’ Principle Calculator
- Bernoulli Equation Calculator
- Broad-Crested Weir Calculator
- Buoyancy Calculator
- Coefficient of Discharge Calculator
- Cv Calculator (Liquid Flow Coefficient)
- Darcy–Weisbach Calculator (Pressure Drop)
- Darcy’s Law Calculator
- Differential Pressure Calculator (Kv)
- Drag Equation Calculator
- Fan Power Calculator
- Flow Rate Calculator
- Friction Factor Calculator
- Friction Loss Calculator (Hazen–Williams)
- Froude Number Calculator
- Hydraulic Conductivity Calculator
- Hydraulic Gradient Calculator
- Hydraulic Jump Calculator
- Hydraulic Press Calculator (Pascal’s Principle)
- Hydraulic Radius Calculator
- Hydrostatic Pressure Calculator
- Knudsen Number Calculator
- Lift Coefficient Calculator
- Mach Number Calculator
- Magnus Force Calculator
- Manometer Calculator
- Moisture Content Calculator
- Oblique Shock Calculator
- Open Channel Flow Calculator (Manning)
- Orifice Flow Calculator
- Pipe Flow Calculator (Manning, Gravity Pipe)
- Pipe Velocity Calculator
- Pneumatic Cylinder Force Calculator
- Poise–Stokes Converter (Dynamic to Kinematic Viscosity)
- Poiseuille’s Law Calculator
- Porosity and Permeability Calculator
- Pounds per Minute Calculator
- Prandtl Number Calculator
- Prandtl–Meyer Expansion Calculator
- Refrigerant Capillary Tube Calculator
- Reynolds Number Calculator
- Stokes’ Law Calculator (Terminal Settling Velocity)
- Valve Flow Coefficient Calculator (Liquids and Gases)
- Water Density Calculator
- Water Pressure at Depth Calculator
- Water Viscosity Calculator
- Wind Correction Angle Calculator
- Wind Load Calculator
- Y+ Calculator (First Cell Height for CFD)
Atmospheric physics calculators
18 calculators- Absolute Humidity Calculator
- Air Density Calculator
- Air Pressure at Altitude Calculator
- Cloud Base Calculator
- Density Altitude Calculator
- Dew Point Calculator
- Heat Index Calculator
- Kinematic Viscosity of Air Calculator
- Lightning Distance Calculator
- Mixing Ratio of Air Calculator
- Psychrometric Calculator
- Relative Humidity Calculator
- SCFM Calculator (Standard Cubic Feet per Minute)
- Temperature at Altitude Calculator
- True Airspeed Calculator
- Virtual Temperature Calculator
- Wet-Bulb Temperature Calculator
- Wind Chill Calculator
Thermodynamics and heat calculators
48 calculators- Avogadro’s Law Calculator
- Biot Number Calculator
- Boltzmann Factor Calculator
- Boyle’s Law Calculator
- BTU to Tons Converter
- Calorimetry Calculator
- Carnot Efficiency Calculator
- Charles’s Law Calculator
- Coefficient of Performance Calculator (COP)
- Compressibility Factor Calculator
- Curie’s Law Calculator
- Effectiveness–NTU Calculator (Heat Exchanger)
- Efficiency Calculator
- Electrical Mobility Calculator (Einstein Relation)
- Enthalpy Calculator
- Evaporation Rate Calculator
- Gay-Lussac’s Law Calculator
- Heat Capacity Calculator
- Heat Transfer Calculator
- Ideal Gas Density Calculator
- Ideal Gas Law Calculator
- Isentropic Flow Calculator
- Joule Heating Calculator
- Latent Heat Calculator
- LMTD Calculator (Log Mean Temperature Difference)
- Mean Free Path Calculator
- Mixed Air Calculator (Psychrometric Mixing)
- Mixed Air Temperature Calculator
- Newton’s Law of Cooling Calculator
- Nusselt Number Calculator
- Overall Heat Transfer Coefficient Calculator (U-value)
- Particle Velocity Calculator (Maxwell–Boltzmann)
- Root Mean Square Velocity Calculator
- Sensible Heat Calculator
- Specific Gas Constant Calculator
- Specific Heat Calculator
- Thermal Conductivity Calculator (Heat Flux)
- Thermal Diffusivity Calculator
- Thermal Efficiency Calculator
- Thermal Energy Calculator
- Thermal Equilibrium Calculator
- Thermal Expansion Calculator
- Thermal Resistance Calculator
- Thermodynamic Processes Calculator (Combined Gas Law)
- Tons to kW Converter (Refrigeration)
- Van der Waals Equation Calculator
- Water Heating Calculator
- Watts to Heat Calculator
Quantum mechanics calculators
15 calculators- Bohr Model Calculator
- Compton Scattering Calculator
- Compton Wavelength Calculator
- Curie Constant Calculator
- De Broglie Wavelength Calculator
- Fermi Level Calculator (Free-Electron Model)
- Frequency of Light Calculator
- Heisenberg Uncertainty Principle Calculator
- Hydrogen-Like Atom Calculator
- Magnetic Moment Calculator (Landé g-factor)
- Photoelectric Effect Calculator
- Photon Energy Calculator
- Rydberg Equation Calculator
- Stefan–Boltzmann Law Calculator
- Wien’s Law Calculator
Everyday physics and experiments calculators
9 calculators- Buoyancy Experiment Calculator (Floating Egg)
- Flat vs Round Earth Calculator (Sunset Twice)
- Hair Diffraction Calculator (Measure Hair Width)
- Immersed Weight Calculator
- Projectile Motion Experiment Calculator
- Smartphone Projector Calculator
- Sun Angle Calculator
- Sunrise and Sunset Calculator
- Toilet Paper Race Calculator (Rolling Down a Ramp)
Other physics calculators
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