Physics
Unit conversion, physics formulas, chemistry tools, and constants.
16 calculators in Physics
Coulomb's Law Calculator
Calculate electrostatic force between charged particles.
Decibel Calculator
Calculate and compare sound levels in decibels.
Density Calculator
Calculate density, mass, or volume from two known values.
Escape Velocity Calculator
Calculate the escape velocity from any celestial body using mass and radius.
Force Calculator
Calculate force, mass, or acceleration (F=ma).
Frequency Calculator
Calculate frequency, wavelength, and period.
Half-Life Calculator
Calculate radioactive decay and remaining substance.
Kinetic Energy Calculator
Calculate kinetic energy, mass, or velocity using KE = ½mv².
Momentum Calculator
Calculate momentum from mass and velocity.
Ohm's Law Calculator
Calculate voltage, current, or resistance.
Orbital Velocity Calculator
Calculate orbital velocity, period, and circumference using v = √(GM/r). Supports Earth, Moon, Mars, Jupiter, Sun, and custom bodies.
Reverberation Time Calculator
Calculate room reverberation time (RT60) using Sabine's formula based on room dimensions and surface materials.
Specific Heat Calculator
Calculate heat energy transfer using Q = mcΔT for any mass, specific heat capacity, and temperature change.
Telescope Magnification Calculator
Calculate telescope magnification, exit pupil, true field of view, and useful magnification limits from focal lengths and aperture.
Time Dilation Calculator
Calculate relativistic time dilation using Einstein's special relativity.
Voltage Drop Calculator
Calculate voltage drop across electrical wiring using wire gauge, length, current, and conductor material.