Ohm’s law
Leave one of voltage, current or resistance empty; power comes with it.
Open a calculatorBrowse by tag
School physics
Ohm, F=ma, energy, free fall, an ideal gas, a wave, density, Snell and a thin lens.
Newton’s second law
Leave one of force, mass or acceleration empty.
Open a calculatorKinetic and potential
Translational kinetic energy and gravitational potential energy.
Open a calculatorFree fall
From rest: fill time or distance, leave the other empty.
Open a calculatorIdeal gas
Leave one of P, V, n or T empty. P in kPa, V in litres.
Open a calculatorWave speed
Leave one of speed, frequency or wavelength empty.
Open a calculatorDensity
Leave one of mass, volume or density empty.
Open a calculatorSnell’s law
The second angle from two indices and an incidence angle.
Open a calculatorThin lens
Leave one of focal length, object distance or image distance empty.
Open a calculatorTime on the road
Hours and minutes for a distance at a constant speed.
Open a calculator