Physics toolkit
Physics calculators
Explore mechanics, thermodynamics, electromagnetism, waves, and quantum physics through focused calculation tools.
24 calculators
Choose a field of physics
Each section grows as new reviewed instruments are published. Empty future sections are not shown.
9 calculators
Mechanics
Motion, forces, energy, momentum, and the behavior of macroscopic objects.
Momentum & impulse
Calculate signed one-dimensional momentum, impulse, momentum change, and average net force over a time interval.
Use calculator 01PhysicsHydrostatic pressure & Pascal
Calculate gauge pressure at depth in a fluid or model force multiplication in an ideal hydraulic system.
Use calculator 02PhysicsUniform circular motion
Connect radius, tangential and angular speed, period, frequency, centripetal acceleration, and optional centripetal force for uniform circular motion.
Use calculator 03PhysicsSimple pendulum
Calculate a simple pendulum’s period, frequency, length, or local gravitational acceleration using the small-angle approximation.
Use calculator 04PhysicsMechanical work & power
Calculate mechanical work from force, displacement, and their relative angle, then find average power over a selected time interval.
Use calculator 05PhysicsKinetic & potential energy
Calculate kinetic energy, gravitational potential energy, and their mechanical total from mass, speed, height, and local gravitational acceleration.
Use calculator 06PhysicsForce, mass & acceleration
Solve Newton’s second law for net force, mass, or acceleration with selectable SI units, signed directions, and the rearranged equation shown.
Use calculator 07PhysicsKinematics
Solve displacement, velocity, acceleration, or time from a compatible set of constant-acceleration measurements.
Use calculator 08PhysicsProjectile motion
Calculate initial velocity components, flight time, horizontal range, maximum height, and the ideal trajectory from ground level.
Use calculator 092 calculators
Thermodynamics
Heat transfer, temperature change, material properties, and thermal processes.
7 calculators
Electricity & Magnetism
Circuits, voltage, current, resistance, electrical power, and electromagnetic relationships.
Ideal transformer
Use the turns ratio to calculate secondary voltage and current, compare primary and secondary power, and classify an ideal transformer.
Use calculator 01PhysicsElectric field & potential
Calculate electric-field magnitude and electric potential around an isolated point charge, or solve for source charge and distance.
Use calculator 02PhysicsCoulomb’s law
Calculate electrostatic force, either charge magnitude, or separation distance and identify whether two point charges attract or repel.
Use calculator 03PhysicsFaraday induction
Calculate induced emf, magnetic-flux change, coil turns, or time interval and interpret the direction with Lenz’s law.
Use calculator 04PhysicsEquivalent resistance
Find total resistance for series or parallel resistor networks, with the working shown and units kept explicit.
Use calculator 05PhysicsOhm’s law & power
Enter any two electrical values to calculate voltage, current, resistance, and power with unit-aware working.
Use calculator 06PhysicsAC circuit impedance
Explore series and parallel RL, RC, and RLC circuits using adjustable frequency, resistance, inductance, and capacitance.
Use calculator 074 calculators
Waves, Optics & Quantum Physics
Wavelength, frequency, photons, light, sound, and modern physical models.
Doppler effect
Calculate the observed frequency when a sound source, observer, or both move along their line of sight through a stationary medium.
Use calculator 01PhysicsLenses & mirrors
Solve focal length, object distance, or image distance, then calculate magnification and classify the image.
Use calculator 02PhysicsWave & photon energy
Connect vacuum wavelength, frequency, photon energy, and propagation in common optical media.
Use calculator 03PhysicsSnell’s law & refraction
Find the refracted angle from two refractive indices and detect total internal reflection.
Use calculator 042 calculators
Measurements & Units
Unit conversion and dimensional consistency across physics and chemistry.