Science
Physics and chemistry calculators — from Ohm’s law to molarity and pH.
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Terminal Velocity Calculator
Calculate the terminal velocity of a falling object.
Projectile Motion Calculator
Calculate range, height and flight time of a projectile.
Free Fall Calculator
Calculate fall time and impact velocity from a height.
Reynolds Number Calculator
Calculate the Reynolds number of a flow.
Doppler Effect Calculator
Calculate the observed frequency from a moving source.
Photon Energy Calculator
Calculate the energy of a photon from its wavelength.
De Broglie Wavelength Calculator
Calculate the de Broglie wavelength of a particle.
Hooke’s Law Calculator
Calculate spring force and stored energy.
Beer-Lambert Law Calculator
Calculate absorbance and transmittance.
Mach Number Calculator
Calculate the Mach number of a moving object.
Drag Force Calculator
Calculate aerodynamic drag force.
Rydberg Equation Calculator
Calculate hydrogen spectral line wavelengths.
Orbital Velocity Calculator
Calculate the orbital velocity around a body.
Schwarzschild Radius Calculator
Calculate the event-horizon radius of a black hole.
Coefficient of Friction Calculator
Calculate the coefficient of friction.
Impulse Calculator
Calculate impulse from force and time.
Rotational Kinetic Energy Calculator
Calculate rotational kinetic energy.
Moment of Inertia Calculator
Calculate the moment of inertia of a point mass.
Angular Momentum Calculator
Calculate angular momentum.
Wave Period Calculator
Calculate the period of a wave from its frequency.
Mechanical Power Calculator
Calculate power from work and time.
Gravitational Field Strength Calculator
Calculate the gravitational field strength.
Specific Gravity Calculator
Calculate the specific gravity of a substance.
Pressure at Depth Calculator
Calculate hydrostatic pressure at a given depth.
Thermal Energy Calculator
Calculate heat energy for a temperature change.
Latent Heat Calculator
Calculate the heat for a phase change.
Efficiency Calculator
Calculate energy or power efficiency.
Mechanical Advantage Calculator
Calculate the mechanical advantage of a machine.
Simple Pendulum Period Calculator
Calculate the period of a simple pendulum.
Spring Oscillation Period Calculator
Calculate the period of a mass-spring system.
Centripetal Acceleration Calculator
Calculate centripetal acceleration in circular motion.
Gay-Lussac’s Law Calculator
Find the new pressure of a gas at constant volume.
Lorentz Factor Calculator
Calculate the Lorentz factor (gamma) for a speed.
Relativistic Mass Calculator
Calculate the relativistic mass at high speed.
Time Dilation Calculator
Calculate relativistic time dilation.
Length Contraction Calculator
Calculate relativistic length contraction.
Gravitational Potential Energy Calculator
Calculate gravitational potential energy.
Elastic Collision Calculator
Calculate final velocities in a 1D elastic collision.
Stefan-Boltzmann Calculator
Calculate radiated power from a hot surface.
Wien’s Law Calculator
Find the peak wavelength of blackbody radiation.
Radioactive Decay Calculator
Calculate remaining quantity after radioactive decay.
Mass-Energy Equivalence Calculator
Calculate energy from mass with E=mc².
Combined Gas Law Calculator
Solve for the final pressure using the combined gas law.
Dalton’s Law Calculator
Calculate total pressure from partial pressures.
Graham’s Law Calculator
Compare effusion rates of two gases.
Raoult’s Law Calculator
Calculate the vapor pressure of a solution.
Henry’s Law Calculator
Calculate dissolved gas concentration.
Nernst Equation Calculator
Calculate cell potential with the Nernst equation.
Arrhenius Equation Calculator
Calculate a reaction rate constant.
pOH Calculator
Calculate pOH and pH from hydroxide concentration.
Solution Dilution Calculator
Calculate the volume needed for a dilution.
Percent Composition Calculator
Calculate the mass percent of a component.
Ohm’s Law Calculator
Calculate voltage, current, resistance and power.
Force Calculator (F = ma)
Calculate force from mass and acceleration.
Kinetic Energy Calculator
Calculate kinetic energy from mass and velocity.
Potential Energy Calculator
Calculate gravitational potential energy.
Work Calculator (W = F·d)
Calculate work done from force and distance.
Power Calculator (Physics)
Calculate power from work and time.
Velocity Calculator
Calculate velocity from distance and time.
Acceleration Calculator
Calculate acceleration from change in velocity over time.
Momentum Calculator
Calculate momentum from mass and velocity.
Density Calculator
Calculate density from mass and volume.
Pressure Calculator
Calculate pressure from force and area.
Wavelength & Frequency Calculator
Convert between wavelength and frequency of a wave.
Molarity Calculator
Calculate molar concentration from moles and volume.
Moles from Mass Calculator
Calculate moles from mass and molar mass.
Mass from Moles Calculator
Calculate mass from moles and molar mass.
Dilution Calculator (C₁V₁ = C₂V₂)
Find the volume or concentration for a dilution.
pH Calculator
Calculate pH from hydrogen ion concentration.
Ideal Gas Law Calculator
Solve PV = nRT for pressure.
Percent Yield Calculator
Calculate the percent yield of a reaction.
Avogadro’s Number Calculator
Convert between moles and number of particles.
Coulomb’s Law Calculator
Calculate the electric force between two charges.
Gravitational Force Calculator
Calculate the gravitational force between two masses.
Escape Velocity Calculator
Calculate the escape velocity of a body.
Resistors in Parallel Calculator
Calculate the total resistance of parallel resistors.
Resistors in Series Calculator
Add resistors in series.
Capacitor Energy Calculator
Calculate the energy stored in a capacitor.
Frequency & Period Calculator
Convert between frequency and period.
Boyle’s Law Calculator
Solve for volume using Boyle’s law.
Charles’s Law Calculator
Solve for volume using Charles’s law.
Specific Heat Calculator
Calculate heat energy from mass, specific heat and temperature change.
Wave Speed Calculator
Calculate wave speed from frequency and wavelength.
Snell’s Law Calculator
Calculate the refraction angle with Snell’s law.
Thin Lens Equation Calculator
Find the image distance from focal length and object distance.
Magnification Calculator
Calculate optical magnification from image and object distance.
Friction Force Calculator
Calculate friction force from coefficient and normal force.
Hooke’s Law Calculator
Calculate spring force from stiffness and displacement.
Spring Energy Calculator
Calculate elastic potential energy stored in a spring.
Centripetal Force Calculator
Calculate the centripetal force of circular motion.
Pendulum Period Calculator
Calculate the period of a simple pendulum.
Buoyant Force Calculator
Calculate the buoyant force on a submerged object.