Physics calculators
Mechanics, energy, and simple circuit relations.
7 calculators
Decibel Distance Attenuation Calculator
Estimate sound level at a new distance with the inverse-distance decibel relationship. Use the calculator above. Use the calculator above.
Kilograms to Newtons Calculator
Convert mass in kilograms to gravitational force in newtons using standard Earth gravity, or solve mass from force. Use the calculator above.
Kinetic & Potential Energy Calculator
Calculate kinetic and gravitational potential energy from mass, speed, and height. Use the calculator above. Use the calculator above.
Ohm's Law Calculator
Solve voltage, current, or resistance from any two electrical values using Ohm’s law with practical circuit examples. Use the calculator above.
Photon Energy & Wavelength Calculator
Convert photon wavelength, frequency, energy in electronvolts, and energy in joules. Use the calculator above. Use the calculator above.
Reynolds Number Fluid Flow Calculator
Find Reynolds number and flow regime from fluid density, velocity, diameter, and viscosity. Use the calculator above. Use the calculator above.
Velocity, Acceleration & Time Calculator
Solve the constant-acceleration relationship between initial velocity, final velocity, acceleration, and elapsed time with examples.