Capacitor Charge Calculator
The Capacitor Charge Calculator computes capacitor charge from capacitance and voltage, and inversely solves for capacitance or voltage when charge is known.
Physics
Explore our physics calculators to simplify complex concepts and calculations. From motion and energy to forces and waves, these tools help students, researchers, and enthusiasts solve problems accurately and efficiently.
Browse our 111 calculators to solve common problems in Physics — from quick estimates to detailed results. This hub links to our most-used tools and guides so you can get answers fast.
Start with the popular picks below, or jump into the full list for more specific use cases.
Group Delay Dispersion Calculator
The Group Delay Dispersion Calculator computes cumulative group delay dispersion from material refractive indices, thicknesses and wavelengths, aiding ultrafast pulse compression design.
Crystal Angle Calculator
The Crystal Angle Calculator computes diffraction angles for given crystal lattice spacings and wavelengths using Bragg’s law and Miller indices.
Elevator Energy Consumption Calculator
The Elevator Energy Consumption Calculator estimates energy use and peak power from car and load mass, travel distance, trips, efficiency, and regenerative braking and counterweight balance.
Aircraft Percent Power Calculator
The Aircraft Percent Power Calculator calculates percentage power output given manifold pressure, propeller RPM, density altitude, and ambient temperature.
Angle of Projection Calculator
The Angle of Projection Calculator computes required launch angle from desired range, initial velocity, and launch height under uniform gravity.
Compressed Air Velocity Calculator
The Compressed Air Velocity Calculator computes air velocity from pressure, temperature, pipe diameter, and flow rate using compressible flow equations.
Head Loss Calculator
The Head Loss Calculator computes pressure drop and head loss in pipes using flow rate, diameter, roughness, length, and fluid properties.
Coefficient of Friction to Acceleration Converter
The Coefficient of Friction to Acceleration Converter converts Coefficient of Friction to Acceleration using standard physics formulae, considering gravity and surface conditions.
Backscatter Coefficient Calculator
The Backscatter Coefficient Calculator computes the backscatter coefficient from input parameters such as particle size, wavelength, and refractive index.
Busbar Current Calculator
The Busbar Current Calculator estimates allowable continuous current in busbars based on material properties, dimensions, and thermal limits.
Displacement Equation Calculator
The Displacement Equation Calculator computes kinematic displacement using initial velocity, acceleration, and time, with optional initial position and direction.
Exhaust Length Calculator (Updated)
The Exhaust Length Calculator estimates optimal tuned length using pressure wave reflections and exhaust pulse timing for specific engine speeds.
Effective Case Depth Calculator
The Effective Case Depth Calculator calculates how deep the hardened layer extends before hardness drops below the specified value.
Force To Pressure Converter
The Force To Pressure Converter converts Force to Pressure using a given area, returning pressure in SI or imperial units with standard calculations.
Churn Pressure Calculator
The Churn Pressure Calculator estimates the pressure generated by churning fluids from rotational speed, fluid viscosity, impeller geometry, and vessel size.
Air Pressure Loss Calculator
The Air Pressure Loss Calculator calculates pressure drop in air flow through ducts and pipes from flow rate, diameter, length, surface roughness, and air properties.
Peak Wavelength Wien’s Law Calculator
The Peak Wavelength Wien’s Law Calculator calculates the wavelength at which a blackbody emits most intensely, using temperature according to Wien’s displacement law.
Boltzmann Ratio Calculator
The Boltzmann Ratio Calculator computes the relative populations of two energy levels using the Boltzmann distribution and level degeneracies.
Ion Velocity Calculator
The Ion Velocity Calculator calculates the speed of ions from their kinetic energy, mass and charge for laboratory and educational physics applications.