Physics calculators
Motion, energy, forces and waves, worked through with units.
Start here
- Kinetic Energy CalculatorEnergy of a moving object, and stopping distance.
- Doppler Effect CalculatorObserved frequency shift from relative motion.
- Sound Intensity Decibel CalculatorSound level in decibels from intensity or distance.
- Thin Lens Equation CalculatorImage distance and magnification for a lens or mirror.
- Torque CalculatorTorque from force and lever arm, with unit conversion.
- Wavelength Frequency CalculatorConvert between wavelength, frequency and wave speed.
All 12 Physics calculators
- Acceleration Calculator
Acceleration from speed change and time.
- Centripetal Force Calculator
Centripetal force and acceleration in circular motion.
- Density Calculator
Density, mass or volume from the other two.
- Doppler Effect Calculator
Observed frequency shift from relative motion.
- Force Calculator
Newton's second law: F = ma.
- Free Fall Time Calculator
Fall time and impact speed from height.
- Kinetic Energy Calculator
Energy of a moving object, and stopping distance.
- Pendulum Period Calculator
Period of a simple pendulum from its length.
- Sound Intensity Decibel Calculator
Sound level in decibels from intensity or distance.
- Thin Lens Equation Calculator
Image distance and magnification for a lens or mirror.
- Torque Calculator
Torque from force and lever arm, with unit conversion.
- Wavelength Frequency Calculator
Convert between wavelength, frequency and wave speed.