Physics

Physics Calculators

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

18 tools

Cylinder Volume Calculator

Cylinder volume calculator: compute volume, surface area, and liquid capacity from radius and height, in any unit. Free, private, runs locally, no signup.

G Force Calculator

G force calculator: cornering acceleration from speed and radius. Free g force calculator with the formula shown - runs entirely in your browser, no signup.

Half Life Calculator

Half life calculator solves remaining quantity, elapsed time, or half life for decay and drug elimination. Free, private, runs in your browser, no signup.

Resistor Color Code Calculator

Resistor color code calculator: read color bands into resistance, tolerance, and value ranges for 4, 5, or 6 band resistors. Free, runs locally, no signup.

Speed Distance Time Calculator

Speed distance time calculator solves for any one of speed, distance, or time from the other two, in your chosen units. Free, private, no signup, runs locally.

Work Calculator

Work calculator: compute physics work W = force x distance, including angled force and joules conversions. Free, runs locally in your browser, no signup.

Acceleration Calculator

Calculate acceleration from the change in velocity over time. Free acceleration calculator with the formula shown - runs entirely in your browser, no signup.

Angular Momentum Calculator

Angular momentum calculator: compute L = mvr for a point mass from mass, velocity, and radius. Free physics tool, runs locally in your browser, no signup.

Density Calculator

Calculate density from mass and volume (ρ = m/V) in kg/m³ and g/cm³. Free density calculator with the formula shown - runs entirely in your browser, no signup.

Force Calculator

Force calculator: solve F = ma to get force in newtons from mass and acceleration, or solve for mass and acceleration instead. Free, runs in your browser.

Kinetic Energy Calculator

Kinetic energy calculator: apply the 1/2 mv squared formula to find the energy of a moving object from mass and velocity. Free, private, runs locally, no signup.

Momentum Calculator

Calculate linear momentum from mass and velocity (p = mv). Free momentum calculator with the formula shown - runs entirely in your browser, no signup.

Potential Energy Calculator

Potential energy calculator: compute gravitational potential energy with PE = mgh from mass, height, and gravity, in joules or foot pounds. Free, no signup.

Pressure Calculator

Pressure calculator: apply the P = F/A formula to get pressure in pascal, psi, bar, and atm from force and area inputs. Free, private, runs in your browser.

Thermal Equilibrium Calculator

Thermal equilibrium calculator: find the final temperature when mixing substances at different temperatures via heat capacity. Editable, free, runs locally.

Velocity Calculator

Velocity calculator: compute average velocity from distance and time, or solve the velocity formula for any missing variable. Free, no signup, in your browser.

Wave Calculator

Wave calculator: solve wave speed from frequency and wavelength with v = fλ, formula shown and a worked example. Runs entirely in your browser, no signup.

Work and Power Calculator

Work and power calculator: compute mechanical work (W = F·d) and power output (P = W/t) instantly, with the formula shown. Runs in your browser, no signup.