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756 tools
Use our RC filter calculator to determine the cutoff frequency for a low-pass or high-pass RC filter circuit.
Calculate the root mean square speed of an ideal gas.
The sphere density calculator needs either radius or volume and mass of a sphere to calculate the density for you. It can also do the maths all the way around.
P-raise the sun: with our sunrise calculator, you will learn how to find the time of sunrise — to the minute!
Using our sunset calculator, you will never miss the best moment of the day ever again.
The volume to density calculator allows you to convert the volume of a substance to its density if you know its weight (or mass).
The wattage to amperage calculator helps you calculate the voltage or current from power for both DC and AC circuits.
Use the wavelength to energy calculator to determine the energy of a photon given its wavelength.
Our wavelength to frequency calculator is here to help you estimate frequency given the wavelength and vice versa.
Use the wavenumber calculator to determine the wavenumber from the wavelength or frequency and velocity of a wave.
Calculate the speed of waves using the wave speed calculator.
Find the velocity of a wave using the wave velocity calculator.