Engineering calculator tools
20 tools are ready to use. Pick a calculator and get results in seconds.
Simple Pendulum Period Calculator
Calculate the period, frequency, and angular frequency of a simple pendulum from its length and gravity, or find length and gravity from the period.
Bernoulli Flow Pressure Calculator
Calculate pressure, velocity, and elevation changes between two points along a streamline using Bernoulli's energy equation.
Fourier Number Calculator
Calculates the Fourier number which characterizes the dimensionless time and thermal diffusion in transient heat conduction.
Thin Lens Calculator
Calculate focal length, object distance, image distance, and magnification using the thin lens equation (1/f = 1/do + 1/di).
Inductor Energy Calculator
Calculate the energy stored in the magnetic field of an inductor/coil, or solve for current/inductance.
Thermal Resistance Calculator
Calculates the total thermal resistance and heat transfer rate for steady, one-dimensional heat conduction through a plane wall.
Thermal Diffusivity Calculator
Calculate the thermal diffusivity (α) of a material using its thermal conductivity, density, and specific heat capacity values.
Kinetic Energy Calculator
Calculate the kinetic energy of objects using mass and velocity.
Capacitor Energy Calculator
Calculate the electrostatic energy stored in a capacitor from capacitance, voltage, and charge data.
LC Resonant Frequency Calculator
Calculate the resonant frequency of an ideal LC/RLC circuit from inductance and capacitance values, or find the required L/C for a target frequency.
Lewis Number Calculator
Calculate the ratio of thermal diffusivity to mass diffusivity (Lewis number). Interpret heat and mass transfer analogies.
Marangoni Number Calculator
Calculate the Marangoni number to determine the significance of surface tension gradients relative to viscous and thermal diffusion effects.
Momentum Calculator
Calculate classical linear momentum of an object using mass and velocity, or perform reverse calculations.
Ohm's Law Calculator
Calculate voltage (V), current (I), resistance (R), or power (P) by entering two known values.
Rocket Delta-V Calculator
Calculate delta-v, mass ratio, or equivalent exhaust velocity using the Tsiolkovsky ideal rocket equation.
Schmidt Number Calculator
Calculate the dimensionless Schmidt number, which represents the ratio of momentum diffusivity (kinematic viscosity) to mass diffusivity.
Free-Space Path Loss Calculator
Calculate the ideal free-space path loss (FSPL) and ideal received power from frequency and transmitter-receiver distance in a radio link.
Cyclotron Motion Calculator
Calculate the magnetic force, circular orbit radius, period, and cyclotron frequency of a charged particle entering a uniform magnetic field.
Stefan-Boltzmann Thermal Radiation Calculator
Calculate the total emitted thermal radiation power from surface temperature, area, and emissivity, and the net radiative heat transfer with optional ambient temperature.
Wien's Displacement Law Calculator
Calculate the peak wavelength from a blackbody's absolute temperature (or vice versa). Explore thermal radiation characteristics with Wien's displacement law.