Physics

Physics Calculators

Calculate forces, motion, energy, waves, and thermodynamics with clear formulas.

18 tools

Cylinder Volume Calculator

Cylinder volume calculator: volume of a cylinder from radius and height.

G Force Calculator

G force calculator: cornering acceleration from speed and radius.

Half Life Calculator

Half life calculator: remaining amount after elapsed time with a known half-life.

Resistor Color Code Calculator

Resistor color code calculator: 4-band resistor value and tolerance from color bands.

Speed Distance Time Calculator

Speed distance time calculator: solve for the missing value (speed, distance, or time).

Work Calculator

Work calculator: work done by a force over a distance (W = F \u00d7 d).

Acceleration Calculator

Calculate acceleration from the change in velocity over time.

Angular Momentum Calculator

Calculate angular momentum of a point mass from mass, velocity, and radius (L = mvr).

Density Calculator

Calculate density from mass and volume (ρ = m/V) in kg/m³ and g/cm³.

Force Calculator

Calculate force, mass, or acceleration using Newton's second law (F = ma).

Kinetic Energy Calculator

Calculate the kinetic energy of a moving object from mass and velocity (KE = ½mv²).

Momentum Calculator

Calculate linear momentum from mass and velocity (p = mv).

Potential Energy Calculator

Calculate gravitational potential energy from mass, height, and gravity (PE = mgh).

Pressure Calculator

Calculate pressure from force and area (P = F/A) with pascal and psi results.

Thermal Equilibrium Calculator

Find the final mixed temperature of two objects from their masses, specific heats, and starting temperatures.

Velocity Calculator

Calculate velocity from distance and time, with km/h and mph conversions.

Wave Calculator

Calculate wave speed from frequency and wavelength (v = fλ).

Work and Power Calculator

Calculate mechanical work (W = F·d) and power output (P = W/t).