physics Calculators
Last updated: May 2026
Kinetic and Potential Energy Calculator
Compute total mechanical energy E = ½mv² + mgh from an object's mass, velocity, and height — combining kinetic energy from motion and gravitational potential energy from elevation.
Gravitational Potential Energy Calculator
Calculate gravitational potential energy GPE = mgh stored in an object at a given height above a reference level.
Force Calculator (Newton's Second Law)
Calculate the net force on an object from its mass and acceleration using Newton’s Second Law, F = m·a.
Ohm's Law Calculator
Compute voltage across a component using Ohm’s Law, V = I·R, given the current flowing through it and its resistance.
Wave Properties Calculator
Compute the wavelength of any wave from its speed and frequency using λ = v/f.
Momentum Calculator
Quickly find the linear momentum of any moving object by entering its mass and velocity.
Power Calculator
Find the mechanical power output of any process by entering the work done and the time taken.
Density Calculator
Calculate the density of any material by entering its mass and volume.
Centripetal Force Calculator
Calculate the centripetal force and acceleration required to keep an object moving in a circular path.
Electrical Power Calculator
Calculates the electrical power consumed or produced using voltage and current.
Projectile Motion Calculator
Compute the range, maximum height, and flight time of a projectile launched at any angle and initial height.
Ohm's Law and Power Calculator
Instantly calculate electrical power three ways — P = V·I, P = V²/R, and P = I²·R — using Ohm's Law.
Simple Pendulum Calculator
Calculate the period, frequency, and energy of a simple pendulum given its length and swing angle.
Spring Oscillation Calculator
Find the period, frequency, maximum velocity, or restoring force of a mass-spring system.
Thin Lens Calculator
Compute image distance, magnification, or lens power for converging and diverging thin lenses.
Capacitor Energy & Charge Calculator
Calculates the energy stored in a capacitor and its remaining energy at any point during discharge through a resistor.
Gravitational Force Calculator
Calculates the gravitational force between two masses separated by a given distance, using Newton's law of universal gravitation.
Fluid Flow Calculator
Computes volumetric flow rate, dynamic pressure, and total Bernoulli head for fluid moving through a pipe.
Electric Circuit Power Calculator
Calculates electrical power in a circuit using voltage, current, and resistance.
Doppler Effect Calculator
Compute the observed frequency shift when a sound or wave source and observer move relative to each other.
Kinetic and Potential Energy Calculator
Calculate kinetic energy, gravitational potential energy, and total mechanical energy of a moving object at height.
Thermal Expansion Calculator
Computes how much a solid expands in length, area, or volume when its temperature changes.
Simple Pendulum Calculator
Computes the period and frequency of a simple pendulum from its length and gravitational acceleration.
Capacitor Discharge Calculator
Calculates the voltage, current, or RC time constant as a capacitor discharges through a resistor over time.
Electric Field Calculator
Calculates electric field strength, electrostatic force, or electric potential for point charges in any medium.
Wave Interference Calculator
Computes the resultant amplitude, intensity ratio, or phase fraction when two coherent waves overlap.
Blackbody Radiation Calculator
Calculates total radiated power, peak emission wavelength, spectral intensity, or energy density for a blackbody or grey body at a given temperature.
Heat Transfer Calculator
Calculate the steady-state heat conduction rate through a flat material layer using Fourier's Law.
Decibel Calculator (Power Ratio)
Converts a ratio of two power levels into decibels using 10 × log10(P1 ÷ P2).
Wavelength to Frequency Calculator
Converts the wavelength of an electromagnetic wave to its frequency using the speed of light (c ÷ wavelength).
Escape Velocity Calculator
Calculates the escape velocity from a planet, moon, or star — the minimum speed an object needs to break free of its gravity without further propulsion.