Find the perfect calculator for your physics problems
192 calculators found
Calculate wire gauge for 220V AC residential and commercial electrical circuits.
Calculate friction force, coefficient, or normal force using static and kinetic friction formulas.
Calculate normal force using N = m ￜ g for horizontal or inclined plane surfaces.
Convert mass in kilograms to weight in Newtons using F = m ￜ g.
Calculate gravity acceleration using g = Gm/rￜ with presets for Earth, Moon, Mars, Jupiter, planets.
Calculate pneumatic cylinder force using F = P ￜ A for single and double-acting cylinders.
Calculate mean piston speed from RPM and stroke for engines.
Convert between SCFM and ACFM using pressure and temperature corrections for compressed air systems.
Calculate stellar luminosity using Stefan-Boltzmann law with presets for Sun, Sirius, Vega and more stars.
Calculate pressure, force, or area using P = F/A for engineering and fluid mechanics.
Calculate hydrostatic pressure, depth, or fluid density using P = Ï Ï g Ï h.
Calculate LC filter resonant frequency, inductance, capacitance, or impedance using standard formulas for electronics.
Calculate capacitive reactance, frequency, or capacitance using Xc = 1/(2pfC) for AC circuits.
Calculate foot-pounds of energy using FPE = Force ￜ Distance for ballistics and mechanics.
Calculate horizon distance from height using d = v(2Rh + hￜ) for aviation and maritime.
Calculate radar horizon distance from antenna heights with Earth curvature.
Estimate cloud base height from temperature, dew point, humidity, or target base.
Calculate total resistance, voltage drop, and current in series circuits using R_total = SR.
Calculate low pass filter cutoff frequency, resistance, and capacitance for RC and RL filters.
Calculate friction factor, Reynolds number, and pressure drop using Hagen-Poiseuille, Blasius, and Colebrook-White equations.
Calculate RC circuit time constant, charging voltage, cutoff frequency, and impedance for timing applications.
Calculate RC filter cutoff frequency, impedance, and time constant instantly.
Calculate stress, force, or area for tensile, compressive, and shear stress using s = F/A.
Calculate elongation, strain, and percentage elongation with unit conversions.
Calculate API gravity, specific gravity, and petroleum oil density properties.
Calculate speed of sound, Mach number, frequency, and wavelength properties.
Calculate energy from mass using E = mc^2 with unit conversions.
Calculate weight on different planets, moons, and celestial bodies using W = m Ï g.
Calculate Mach number, velocity, or speed of sound using M = v/c for aerodynamics.
Calculate sound wavelength, velocity, or frequency using ? = v/f for acoustics and waves.
Calculate wavenumber from wavelength, frequency, or energy for spectroscopy and optics.
Calculate decibel (dB) gain from power or voltage ratios for electronics and audio.
Calculate peak wavelength or temperature using Wien's displacement law for black body radiation.
Calculate temperature, time, or cooling constant using Newton's law of cooling for heat transfer.
Calculate heat transfer rate for conduction, convection, or radiation using thermodynamics formulas for engineering.
Calculate evaporation rate from mass, volume, or area for water and HVAC applications.
Calculate velocity, speed, distance, and time using physics formulas
Calculate acceleration, velocity, and time using a = (v - u) / t formula.
Calculate free fall motion velocity, time, and height using gravity acceleration for kinematics.
Calculate free fall time from height using t = v(2h/g) with gravity input.
Calculate projectile motion range, maximum height, time of flight, and velocity using physics formulas.
Calculate horizontal projectile motion range, time of flight, and final velocity for launched projectiles.
Calculate projectile range, time, and max height with launch angle and speed.
Convert gold weights and calculate pure gold content by karat fineness.
Calculate EM wave skin depth and resistivity in conductive materials.
Calculate arrow speed from distance/time or kinetic energy/mass using archery physics formulas.
Calculate stopping distance including reaction distance and braking distance for vehicle safety analysis.
Calculate bullet kinetic energy, mass, or velocity using E = ￜmvￜ for firearms ballistics.
Calculate bend allowance, deduction, and setback for sheet metal bending.
Calculate elastic energy stored in springs using E = 1/2 kxￜ formula.
Calculate the magnitude of acceleration using velocity change, force, or vector components for kinematics.
Calculate rotational inertia for spheres, disks, cylinders, rods, rectangles.
Calculate G-force from acceleration or circular motion for aviation, motorsports, and engineering applications.
Calculate electrical power, voltage, current, and resistance using power formulas.
Calculate electrical power, voltage, current, or resistance using P = VI and Ohm's law formulas.
Calculate power, voltage, current, or resistance using Ohm Law formulas.
Calculate copper wire weight by length, diameter, or AWG gauge.
Calculate total inductance of inductors in parallel and branch reactance.
Convert voltage to electron volts or joules with charge multiples.
Calculate power factor, real power, or apparent power in AC circuits using PF = P/S.
Calculate kilovolt-amperes and apparent power for AC electrical systems.
Calculate contact lens power from spectacle power using vertex distance formula for optometry.
Calculate distance traveled by light or time for light using speed of light constant.
Calculate light frequency from wavelength using speed of light constant.
Calculate angular frequency, period, and frequency using ? = 2pf formulas.
Calculate cutoff frequency for RC and RL filters using component values and formulas.
Calculate wind correction angle, heading to fly, and ground speed for navigation.
Calculate refraction angle and refractive index using Snell's Law for light optics.
Calculate De Broglie wavelength from momentum or mass and velocity.
Calculate wet bulb temperature from dry bulb and humidity for HVAC and meteorology.
Calculate dew point temperature from air temperature and humidity using Magnus formula for HVAC.
Calculate density, mass, or volume using ? = m/V for material properties.
Calculate mass from volume and density using m = ? ￜ V for material properties.
Calculate specific gravity using substance density and reference density for material properties analysis.
Compute water heating energy, time, temperature rise, and mass with conversions.
Calculate cylinder density from mass and volume or find mass.
Calculate cube density, mass, or side length using density formula.
Calculate sphere density, mass, radius, or volume with unit conversions.
Calculate buoyant force, fluid density, or displaced volume using Archimedes' principle formula.
Calculate heat energy, mass, specific heat capacity, or temperature change using Q = mc?T.
Calculate heat energy, mass, specific heat, or temperature change using calorimetry formula Q = mc?T.
Calculate volumetric flow rate, area, velocity, volume, and time using Q = A Ï v.
Calculate pipe flow rate, velocity, diameter, or area using fluid mechanics formulas for plumbing.
Calculate hydraulic radius, area, or wetted perimeter using R = A/P for open channel flow.
Calculate torque, force, or lever arm distance using t = F ￜ r.
Compute electric motor torque from power, speed, current, or force with unit conversions.
Calculate electric field strength using point charge, force, or voltage methods.
Calculate angular velocity using angle/time, frequency, or linear velocity/radius for rotational motion physics.
Calculate angular acceleration from velocity change or torque and moment of inertia.
Calculate polar moment of inertia for circles, rectangles, hollow circles, and I-beams using J formula.
Calculate power, weight, or power-to-weight ratio for automotive and aerospace engineering applications.
Calculate wavelength, velocity, or frequency using ? = v/f for electromagnetic and sound waves.
Calculate relative humidity, dry bulb, or dew point temperature using psychrometric formulas for HVAC.
Calculate gravitational force, mass, or distance using Newton's law of universal gravitation formula.
Calculate gear ratio from teeth count or speeds using mechanical advantage formulas for engineering.
Calculate belt length for open belt drive systems using center distance and pulley sizes.
Calculate pressure, velocity, and height using Bernoulli equation for fluid dynamics.
Calculate volume or temperature using Charles's Law V1/T1 = V2/T2 for ideal gas calculations.
Calculate pressure or volume using Boyle's Law P1V1 = P2V2 at constant temperature conditions.
Calculate pressure or temperature using Gay-Lussac's Law P1/T1 = P2/T2 at constant volume.
Calculate enthalpy change using ?H = ?U + P?V or heat formulas for thermodynamics applications.
Calculate escape velocity for planets and celestial bodies using physics formulas.
Calculate efficiency percentage, output, or input for engines, machines, and energy systems processes.
Calculate pressure, volume, moles, or temperature using ideal gas law PV = nRT formula.
Calculate air density, pressure, or temperature using ideal gas law for aviation and meteorology.
Calculate gas density from pressure, temperature, and molar mass with unit conversions.
Estimate air pressure at altitude using the barometric formula and custom base conditions.
Calculate equivalent capacitance for capacitors in series with unit conversions.
Calculate sound level drop with distance using the inverse square law.
Calculate frequency from period, wavelength/velocity, or electromagnetic waves using standard wave formulas.
Calculate resonant frequency for LC circuits or mechanical systems using electronics and mechanics formulas.
Calculate wire gauge, maximum current capacity, or voltage drop for electrical wiring with copper/aluminum.
Calculate wire gauge, maximum current capacity, or voltage drop for DC circuits and solar panels.
Calculate circuit breaker size from load current with NEC derating factors.
Calculate equivalent resistance for resistors connected in parallel using 1/R_total = 1/R1 + 1/R2 formula.
Calculate work, force, or distance using W = F ￜ d. Physics calculator for mechanics.
Calculate force, mass, or acceleration using Newton's second law F = m ￜ a formula.
Calculate centrifugal force, mass, velocity, and radius using F = m Ï v²/r.
Calculate wind load, wind velocity, area, or drag coefficient for structural engineering applications.
Calculate absolute humidity, temperature, or relative humidity using psychrometric formulas for HVAC applications.
Calculate AC wattage, voltage, current, and power factor for single and three-phase systems.
Calculate electric dipole moment, charge, or distance using p = q ￜ d for electrostatics.
Calculate antenna length from frequency for half-wave dipole, quarter-wave monopole, and full-wave antennas design.
Convert between photon wavelength and energy using E = hc/? for quantum mechanics calculations.
Calculate capacitance, charge, or voltage using C = Q/V for capacitors and electrical circuits.
Calculate resistance, voltage, or current using Ohm's Law: V = I ? R. Free online physics calculator for electrical circuits, electronics, and engineering with comprehensive unit support.
Calculate Schwarzschild radius or mass using Rs = 2Gm/cￜ for black holes and event horizons.
Calculate drag force, velocity, area, drag coefficient, or density for fluid dynamics and aerodynamics.
Calculate maximum height, initial velocity, or launch angle for projectile motion using kinematics formulas.
Calculate mechanical advantage, output force, input force, or distances for simple machines and levers.
Convert between BTU and tons of refrigeration instantly for HVAC and cooling capacity calculations.
Calculate orbital period, semi-major axis, or mass using Kepler's Third Law: T? = (4p?/Gm) ? a?. Free online physics calculator for orbital Mechanics, planetary motion, and astrophysics.
Calculate orbital period from semi-major axis and mass using Kepler's Third Law for planetary motion.
Calculate orifice flow rate, pressure drop, or diameter using discharge coefficient.
Calculate section modulus or dimensions for rectangular and circular cross-sections in structural engineering.
Calculate intensity, distance, or source strength using inverse square law for light and radiation.
Calculate machining RPM, feed rate, chip load and cutting speed.
Calculate displacement from initial/final positions, velocity, acceleration, and time for kinematics motion analysis.
Calculate net force magnitude and direction from force components or multiple forces with angles.
Calculate tension in ropes, cables, and strings using mass/acceleration or force for mechanics problems.
Calculate force, spring constant, or displacement using Hooke's Law F = k ￜ x formula.
Calculate engine displacement from bore, stroke, and cylinder count for automotive applications and racing.
Calculate final velocities or masses in collisions using conservation of momentum for elastic/inelastic collisions.
Calculate Reynolds number or variables using Re formula with flow regime determination for fluid mechanics.
Calculate energy, power, and time using E = P Ï t formula with unit conversions.
Calculate wave speed from frequency/wavelength or distance/time for waves, sound, and electromagnetic radiation.
Convert between wavelength and frequency using f = c/? for electromagnetic or general waves.
Calculate photon energy from frequency or wavelength using Planck's constant and speed of light.
Calculate distance to lightning strike from flash-thunder delay using speed of sound calculations.
Convert horsepower to amperes using voltage and efficiency for sizing circuit breakers and wires.
Convert watts to amperes using voltage for DC and AC circuits with power factor support.
Calculate head loss and pressure drop in pipes using Darcy-Weisbach or Hazen-Williams equations.
Calculate dynamic and kinematic viscosity of water at any temperature for fluid mechanics applications.
Calculate water density at any temperature using accurate polynomial formulas for fluid mechanics applications.
Calculate terminal velocity, mass, area, or drag coefficient using fluid mechanics and drag formulas.
Calculate Earth's curvature drop, distance to horizon, or hidden object height for geography applications.
Calculate kinetic energy, mass, or velocity using KE = ￜmvￜ for physics and engineering.
Calculate impact energy, mass, or velocity using E = ￜmvￜ for collision and safety analysis.
Calculate impulse and momentum with impulse-momentum theorem for collision analysis and force-time relationships.
Calculate electrostatic force using Coulomb's law for charge interactions and electric force calculations.
Calculate time dilation using special relativity for proper time, dilated time, and velocity calculations.
Calculate relativistic kinetic energy at high speeds using special relativity formulas.
Calculate potential energy, mass, height, and gravity using PE = m Ï g Ï h.
Calculate solar altitude, azimuth, sunrise, sunset, and declination for any location.
Convert light years to kilometers, miles, AU, and parsecs for astronomy.
Calculate time dilation effects near massive objects using general relativity and Schwarzschild metric.
Calculate lever forces, distances, mechanical advantage, and torque balance using fulcrum position.
Calculate ground speed, wind correction, crosswind components, and flight time with wind.
Calculate series RLC impedance, resonance, phase angle, and current with reactance and Q.
Analyze RLC circuits for impedance, resonance, phase, power factor, and current.
Calculate shear stress from force, torque, beam loading, and principal stresses.
Calculate temperature at altitude using ICAO Standard Atmosphere or lapse rate for aviation applications.
Calculate linear and volumetric thermal expansion for materials with temperature changes.
Calculate wire resistance, length, diameter, or resistivity using R = ?L/A for 11 different materials.
Calculate wavelength, frequency, or photon energy for hydrogen-like transitions using Rydberg equation formulas.
Calculate Young's modulus (E), stress, strain, required force, or required cross-sectional area using standard elasticity formulas. Ideal for materials engineering and mechanics problems.
Calculate gas pressure, volume, temperature using combined and ideal gas laws.
Convert apparent power kVA to current amperes for AC and DC systems.
Calculate coefficient of friction, friction force, and normal force for surfaces.
Calculate projectile motion range, height, time, velocity, and launch angle.
Calculate power dissipation in resistors, capacitors, and electrical components.
Calculate hoop stress in pressure vessels and thin-wall cylinders.
Calculate momentum, impulse, and collision dynamics with flexible units.
Calculate acceleration from force and mass using Newton's Second Law.
Calculate pendulum period, frequency, length, or gravity.
Calculate energy stored in capacitors from capacitance, voltage, and charge.
Calculate inductive reactance, inductance, frequency, and RL circuit impedance with phase.
Calculate index of refraction, Snell's law angles, critical angles, and light speed.
Calculate angular momentum, moment of inertia, torque, and conservation principles.
Calculate voltage divider output, resistor values, and power dissipation for circuits.
Calculate angular displacement, rotation angles, revolutions, and arc length for rotational motion.
Calculate capacitance, charge, or voltage with unit conversions.