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Physics calculators
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Physics119
Acceleration CalculatorUse the Acceleration Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Angular DisplacementCalculate angular displacement (rad) using the angular displacement formula. Enter Arc length (m), Radius (m); see the substituted formula, workings and rounded answer.Angular MomentumCalculate angular momentum using the angular momentum formula. Enter Moment of inertia (kg·m²), Angular velocity (rad/s); see the substituted formula, workings and rounded answer.Angular VelocityCalculate angular velocity (rad/s) using the angular velocity formula. Enter Angle (rad), Time (s); see the substituted formula, workings and rounded answer.Angular velocity CalculatorUse this interactive Angular velocity Calculator to solve for any missing variable in omega = 2*pi/T. Enter the known values, leave exactly one field empty,Average Velocity DisplacementCalculate displacement (m) using the average velocity displacement formula. Enter Initial velocity (m/s), Final velocity (m/s), Time (s); see the substituted formula, workings and rounded answer.Capacitor ChargeCalculate charge (c) using the capacitor charge formula. Enter Capacitance (F), Voltage (V); see the substituted formula, workings and rounded answer.Capacitor EnergyCalculate stored energy (j) using the capacitor energy formula. Enter Capacitance (F), Voltage (V); see the substituted formula, workings and rounded answer.Capacitor Energy CalculatorUse the Capacitor Energy Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Centripetal AccelerationCalculate centripetal acceleration (m/s²) using the centripetal acceleration formula. Enter Tangential speed (m/s), Radius (m); see the substituted formula, workings and rounded answer.Centripetal ForceCalculate centripetal force (n) using the centripetal force formula. Enter Mass (kg), Tangential speed (m/s), Radius (m); see the substituted formula, workings and rounded answer.Centripetal Force CalculatorUse the Centripetal Force Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Centripetal force CalculatorUse this interactive Centripetal force Calculator to solve for any missing variable in F_c = m*v^2/r. Enter the known values, leave exactly one field empty,Circular speed CalculatorUse this interactive Circular speed Calculator to solve for any missing variable in v = 2*pi*r/T. Enter the known values, leave exactly one field empty, andCoefficient of RestitutionCalculate coefficient of restitution using the coefficient of restitution formula. Enter Relative speed of separation, Relative speed of approach; see the substituted formula, workings and rounded answer.Conductive heat-transfer rate CalculatorUse this interactive Conductive heat-transfer rate Calculator to solve for any missing variable in Q/t = k*A*delta_T/d. Enter the known values, leave exactlyCoulomb ForceCalculate electric force (n) using the coulomb force formula. Enter Charge q₁ (C), Charge q₂ (C), Separation (m); see the substituted formula, workings and rounded answer.Coulomb's law CalculatorUse this interactive Coulomb's law Calculator to solve for any missing variable in F = q_1*q_2/(4*pi*epsilon_0*r^2). Enter the known values, leave exactly onDensityLearn the density formula ρ = m/V step by step. Understand what density means, how mass and volume affect it, and see a worked example using iron. Perfect for GCSE/high school physics revision.
(Alternative, more concise version:)
Master the density formula (ρ = m/V) with a clear explanation, real-world example, anDensityCalculate density (kg/m³) using the density formula. Enter Mass (kg), Volume (m³); see the substituted formula, workings and rounded answer.Density CalculatorUse the Density Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Diffraction grating CalculatorUse this interactive Diffraction grating Calculator to solve for any missing variable in d*sin(theta) = m*lambda. Enter the known values, leave exactly one fDisplacement with Constant AccelerationCalculate displacement (m) using the displacement with constant acceleration formula. Enter Initial velocity (m/s), Acceleration (m/s²), Time (s); see the substituted formula, workings and rounded answer.Displacement with constant acceleration CalculatorUse this interactive Displacement with constant acceleration Calculator to solve for any missing variable in s = u*t + 0.5*a*t^2. Enter the known values, leaDoppler effect CalculatorUse this interactive Doppler effect Calculator to solve for any missing variable in f_prime = f*(v_wave ± v_observer)/(v_wave ∓ v_source). Enter the known vaEfficiency PercentageCalculate efficiency (%) using the efficiency percentage formula. Enter Useful output energy, Input energy; see the substituted formula, workings and rounded answer.Elastic Potential EnergyCalculate elastic energy (j) using the elastic potential energy formula. Enter Spring constant (N/m), Extension (m); see the substituted formula, workings and rounded answer.Electric Field StrengthCalculate field strength (n/c) using the electric field strength formula. Enter Force (N), Test charge (C); see the substituted formula, workings and rounded answer.Electric current CalculatorUse this interactive Electric current Calculator to solve for any missing variable in I = q/t. Enter the known values, leave exactly one field empty, and selElectric field strength CalculatorUse this interactive Electric field strength Calculator to solve for any missing variable in E = V/d. Enter the known values, leave exactly one field empty,Electric potential and work CalculatorUse this interactive Electric potential and work Calculator to solve for any missing variable in V = W/q; W = q*V; W = q*E*d. Enter the known values, leave eElectrical Power CalculatorUse the Electrical Power Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Electrical Power VICalculate power (w) using the electrical power vi formula. Enter Voltage (V), Current (A); see the substituted formula, workings and rounded answer.Electrical Resistance from ResistivityCalculate resistance (ω) using the electrical resistance from resistivity formula. Enter Resistivity (Ω·m), Length (m), Area (m²); see the substituted formula, workings and rounded answer.Electrical power CalculatorUse this interactive Electrical power Calculator to solve for any missing variable in P = V*I. Enter the known values, leave exactly one field empty, and selFaraday's law CalculatorUse this interactive Faraday's law Calculator to solve for any missing variable in epsilon = -N*delta_Phi/delta_t. Enter the known values, leave exactly oneFinal Velocity Squared EquationCalculate final velocity (m/s) using the final velocity squared equation formula. Enter Initial velocity (m/s), Acceleration (m/s²), Displacement (m); see the substituted formula, workings and rounded answer.Final Velocity with Constant AccelerationCalculate final velocity (m/s) using the final velocity with constant acceleration formula. Enter Initial velocity (m/s), Acceleration (m/s²), Time (s); see the substituted formula, workings and rounded answer.Fluid PressureCalculate gauge pressure (pa) using the fluid pressure formula. Enter Fluid density (kg/m³), Gravity (m/s²), Depth (m); see the substituted formula, workings and rounded answer.Force CalculatorUse the Force Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Force from Mass and AccelerationCalculate force (n) using the force from mass and acceleration formula. Enter Mass (kg), Acceleration (m/s²); see the substituted formula, workings and rounded answer.Force on a charge in an electric field CalculatorUse this interactive Force on a charge in an electric field Calculator to solve for any missing variable in F = q*E. Enter the known values, leave exactly onForce on a current-carrying conductor CalculatorUse this interactive Force on a current-carrying conductor Calculator to solve for any missing variable in F = I*L*B*sin(theta). Enter the known values, leavFrequency CalculatorUse the Frequency Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Frequency and period CalculatorUse this interactive Frequency and period Calculator to solve for any missing variable in f = 1/T. Enter the known values, leave exactly one field empty, andGravitational Field StrengthCalculate field strength (n/kg) using the gravitational field strength formula. Enter Source mass (kg), Distance from centre (m); see the substituted formula, workings and rounded answer.Gravitational Force CalculatorUse the Gravitational Force Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Gravitational Potential EnergyCalculate potential energy (j) using the gravitational potential energy formula. Enter Mass (kg), Gravity (m/s²), Height (m); see the substituted formula, workings and rounded answer.Heat EnergyCalculate heat energy (j) using the heat energy formula. Enter Mass (kg), Specific heat capacity (J/kg·K), Temperature change (K); see the substituted formula, workings and rounded answer.Heat Energy CalculatorUse the Heat Energy Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Heat energy CalculatorUse this interactive Heat energy Calculator to solve for any missing variable in Q = m*c*delta_T. Enter the known values, leave exactly one field empty, andHooke Law ForceCalculate force (n) using the hooke law force formula. Enter Spring constant (N/m), Extension (m); see the substituted formula, workings and rounded answer.ImpulseCalculate impulse (n·s) using the impulse formula. Enter Force (N), Time interval (s); see the substituted formula, workings and rounded answer.Impulse CalculatorUse the Impulse Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Impulse–momentum CalculatorUse this interactive Impulse–momentum Calculator to solve for any missing variable in F*t = m*v_before - m*v_after. Enter the known values, leave exactly oneKepler's third law CalculatorUse this interactive Kepler's third law Calculator to solve for any missing variable in r^3/T^2 = G*M/(4*pi^2). Enter the known values, leave exactly one fieKinetic EnergyCalculate kinetic energy (j) using the kinetic energy formula. Enter Mass (kg), Velocity (m/s); see the substituted formula, workings and rounded answer.Kinetic Energy CalculatorUse the Kinetic Energy Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Kinetic energy CalculatorUse this interactive Kinetic energy Calculator to solve for any missing variable in K = 0.5*m*v^2. Enter the known values, leave exactly one field empty, andLatent Heat EnergyCalculate latent heat (j) using the latent heat energy formula. Enter Mass (kg), Specific latent heat (J/kg); see the substituted formula, workings and rounded answer.Lens MagnificationCalculate magnification using the lens magnification formula. Enter Image distance, Object distance; see the substituted formula, workings and rounded answer.Lens PowerCalculate lens power (d) using the lens power formula. Enter Focal length (m); see the substituted formula, workings and rounded answer.Linear MomentumCalculate momentum (kg·m/s) using the linear momentum formula. Enter Mass (kg), Velocity (m/s); see the substituted formula, workings and rounded answer.Magnetic field around a straight wire CalculatorUse this interactive Magnetic field around a straight wire Calculator to solve for any missing variable in B = mu_0*I/(2*pi*r). Enter the known values, leaveMagnetic flux CalculatorUse this interactive Magnetic flux Calculator to solve for any missing variable in Phi = B*A*cos(theta). Enter the known values, leave exactly one field emptMagnetic force on a moving charge CalculatorUse this interactive Magnetic force on a moving charge Calculator to solve for any missing variable in F = q*v*B*sin(theta). Enter the known values, leave exMalus's law CalculatorUse this interactive Malus's law Calculator to solve for any missing variable in I = I_max*cos(theta)^2. Enter the known values, leave exactly one field emptMass Energy EquivalenceCalculate energy (j) using the mass energy equivalence formula. Enter Mass (kg); see the substituted formula, workings and rounded answer.Mass–energy equivalence CalculatorUse this interactive Mass–energy equivalence Calculator to solve for any missing variable in E = m*c^2. Enter the known values, leave exactly one field emptyMechanical power CalculatorUse this interactive Mechanical power Calculator to solve for any missing variable in P = F*v*cos(theta). Enter the known values, leave exactly one field empMomentum CalculatorUse the Momentum Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Newton's law of gravitation CalculatorUse this interactive Newton's law of gravitation Calculator to solve for any missing variable in F = G*M*m/r^2. Enter the known values, leave exactly one fieNewton's second law CalculatorUse this interactive Newton's second law Calculator to solve for any missing variable in F_net = m*a. Enter the known values, leave exactly one field empty,Ohm Law VoltageCalculate voltage (v) using the ohm law voltage formula. Enter Current (A), Resistance (Ω); see the substituted formula, workings and rounded answer.Ohm's law CalculatorUse this interactive Ohm's law Calculator to solve for any missing variable in V = I*R. Enter the known values, leave exactly one field empty, and select CalOhms Law Current CalculatorUse the Ohms Law Current Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Parallel Resistance Two ResistorsCalculate equivalent resistance (ω) using the parallel resistance two resistors formula. Enter Resistance R₁ (Ω), Resistance R₂ (Ω); see the substituted formula, workings and rounded answer.Photoelectric effect CalculatorUse this interactive Photoelectric effect Calculator to solve for any missing variable in K_max = h*f - phi. Enter the known values, leave exactly one fieldPhoton EnergyCalculate photon energy (j) using the photon energy formula. Enter Frequency (Hz); see the substituted formula, workings and rounded answer.Photon Energy CalculatorUse the Photon Energy Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Photon energy CalculatorUse this interactive Photon energy Calculator to solve for any missing variable in E = h*f. Enter the known values, leave exactly one field empty, and selectPotential Energy CalculatorUse the Potential Energy Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.PowerCalculate power (w) using the power formula. Enter Work or energy (J), Time (s); see the substituted formula, workings and rounded answer.Power CalculatorUse the Power Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Power from energy transfer CalculatorUse this interactive Power from energy transfer Calculator to solve for any missing variable in P = delta_E/delta_t. Enter the known values, leave exactly onPressureCalculate pressure (pa) using the pressure formula. Enter Normal force (N), Area (m²); see the substituted formula, workings and rounded answer.Pressure CalculatorUse the Pressure Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Radioactive ActivityCalculate activity (bq) using the radioactive activity formula. Enter Decay constant λ, Number of nuclei N; see the substituted formula, workings and rounded answer.Radioactive Half LifeCalculate half-life using the radioactive half life formula. Enter Decay constant λ; see the substituted formula, workings and rounded answer.Radioactive Remaining NucleiCalculate remaining nuclei using the radioactive remaining nuclei formula. Enter Initial nuclei N₀, Decay constant λ, Time; see the substituted formula, workings and rounded answer.Refractive Index from SpeedsCalculate refractive index using the refractive index from speeds formula. Enter Speed in vacuum, Speed in medium; see the substituted formula, workings and rounded answer.Refractive index CalculatorUse this interactive Refractive index Calculator to solve for any missing variable in n = c/v. Enter the known values, leave exactly one field empty, and selRotational Kinetic EnergyCalculate rotational kinetic energy (j) using the rotational kinetic energy formula. Enter Moment of inertia (kg·m²), Angular velocity (rad/s); see the substituted formula, workings and rounded answer.Simple Harmonic AccelerationCalculate acceleration (m/s²) using the simple harmonic acceleration formula. Enter Angular frequency (rad/s), Displacement (m); see the substituted formula, workings and rounded answer.Simple Pendulum PeriodCalculate period (s) using the simple pendulum period formula. Enter Pendulum length (m), Gravity (m/s²); see the substituted formula, workings and rounded answer.StrainCalculate strain using the strain formula. Enter Extension, Original length; see the substituted formula, workings and rounded answer.StressCalculate stress (pa) using the stress formula. Enter Force (N), Cross-sectional area (m²); see the substituted formula, workings and rounded answer.String Fundamental FrequencyCalculate frequency (hz) using the string fundamental frequency formula. Enter Tension (N), Linear density (kg/m), String length (m); see the substituted formula, workings and rounded answer.Tangential SpeedCalculate tangential speed (m/s) using the tangential speed formula. Enter Radius (m), Angular velocity (rad/s); see the substituted formula, workings and rounded answer.Thermal Conduction RateCalculate heat transfer rate (w) using the thermal conduction rate formula. Enter Thermal conductivity (W/m·K), Area (m²), Temperature difference (K), Thickness (m); see the substituted formula, workings and rounded answer.Thin Lens Image DistanceCalculate image distance using the thin lens image distance formula. Enter Focal length, Object distance; see the substituted formula, workings and rounded answer.Time dilation and length contraction CalculatorUse this interactive Time dilation and length contraction Calculator to solve for any missing variable in gamma = 1/sqrt(1-v^2/c^2); t = t_0/sqrt(1-v^2/c^2);TorqueCalculate torque (n·m) using the torque formula. Enter Moment of inertia (kg·m²), Angular acceleration (rad/s²); see the substituted formula, workings and rounded answer.Torque CalculatorUse the Torque Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Torque CalculatorUse this interactive Torque Calculator to solve for any missing variable in tau = r*F*sin(theta). Enter the known values, leave exactly one field empty, andTorque on a current loop CalculatorUse this interactive Torque on a current loop Calculator to solve for any missing variable in tau = n*I*A*B*sin(theta). Enter the known values, leave exactlyTransformer Secondary VoltageCalculate secondary voltage (v) using the transformer secondary voltage formula. Enter Primary voltage (V), Primary turns, Secondary turns; see the substituted formula, workings and rounded answer.Universal Gravitation ForceCalculate force (n) using the universal gravitation force formula. Enter Mass 1 (kg), Mass 2 (kg), Centre distance (m); see the substituted formula, workings and rounded answer.Velocity CalculatorUse the Velocity Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Velocity–displacement relation CalculatorUse this interactive Velocity–displacement relation Calculator to solve for any missing variable in v^2 = u^2 + 2*a*s. Enter the known values, leave exactlyVelocity–time relation CalculatorUse this interactive Velocity–time relation Calculator to solve for any missing variable in v = u + a*t. Enter the known values, leave exactly one field emptWave SpeedCalculate wave speed (m/s) using the wave speed formula. Enter Frequency (Hz), Wavelength (m); see the substituted formula, workings and rounded answer.Wave Speed CalculatorUse the Wave Speed Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Wave speed CalculatorUse this interactive Wave speed Calculator to solve for any missing variable in v = f*lambda. Enter the known values, leave exactly one field empty, and seleWien's displacement law CalculatorUse this interactive Wien's displacement law Calculator to solve for any missing variable in lambda_max = b/T. Enter the known values, leave exactly one fielWork CalculatorUse the Work Calculator for fast, transparent results with the formula, inputs, units and reference guidance provided.Work DoneCalculate work (j) using the work done formula. Enter Force (N), Distance (m); see the substituted formula, workings and rounded answer.Work done CalculatorUse this interactive Work done Calculator to solve for any missing variable in W = F*s*cos(theta). Enter the known values, leave exactly one field empty, andYoung ModulusCalculate young modulus (pa) using the young modulus formula. Enter Stress (Pa), Strain; see the substituted formula, workings and rounded answer.