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Our laser beam expander calculator will teach you everything you need to know about these simple devices.
The mirror equation calculator helps you find the unknown among the object position, image position, and focal length of a mirror.
Use this telescope magnification calculator to estimate the magnification, resolution, brightness, and other properties of the images taken by your scope.
With this thin lens equation calculator, you can find the focal length of your lens.
The Alfvén velocity calculator helps you compute the velocity of a magnetohydrodynamic wave, a type of plasma wave.
The distance attenuation calculator finds how the sound level in dB decreases with distance from the sound source.
Our Doppler effect calculator allows you to calculate the frequency of sound if either the source of sound or the observer is moving.
The angle of repose calculator can be a valuable tool to forecast the behavior of piles of granular materials.
Use our bulk modulus calculator to know the relationship between bulk stress, bulk strain, and bulk modulus.
The natural frequency calculator quickly computes the unperturbed frequency of vibration for multiple systems!
Calculate or convert Rockwell hardness number to different hardness scales using the Rockwell hardness conversion calculator.
Use this tool to calculate the shear strain produced by shear forces, stresses, and twisting couples in circular shafts.
Use this stress concentration factor calculator to estimate the localized high stresses in the regions of geometric discontinuities.
Convert engineering stress-strain values into their true counterparts using the true strain calculator.
Estimate the material hardness for your test specimen using the Vickers hardness number calculator.
The volume to mass calculator has dozens of item densities that will allow you to convert volume to mass or mass to volume whenever you need.
Discover one of the simplest machine ever invented with our lever calculator.
Calculate the force in a cylindrical piston from the pressure applied.
Our piston speed calculator calculates the mean speed a piston moves in the cylinder bore.
Use this tool to calculate the prop pitch of a boat from its speed, gear ratio, engine speed, and propeller slip.
Determine the hydraulic and shaft power of pumps using the pump horsepower calculator.
The exoplanet discovery calculator allows you to play around and discover the calculations that got a Nobel Prize in 2019 for the discovery of planets outside the solar system.
Hohmann transfer calculator lets you find the best fuel-efficient transfers between two circular orbits.
Use this Kepler's third law calculator to find the relationship between a planet's orbital period and it semi-major axis (or mean orbital radius).