Physics

Physics

Physics calculators for motion, force, energy, electricity, and density.

Motion and Kinematics

Speed, acceleration, projectiles, gravity, and circular motion.

Speed Distance Time Calculator

Solve speed, distance, or time from the other two values.

Acceleration Calculator

Calculate acceleration from initial velocity, final velocity, and time.

Simple Pendulum Calculator

Calculate pendulum period, frequency, and angular frequency.

Projectile Motion Calculator

Estimate max height, range, and flight time for a projectile.

Gravitational Force Calculator

Calculate gravitational attraction between two masses.

Centripetal Force Calculator

Calculate inward force for circular motion.

Dynamics and Forces

Force, friction, pressure, springs, impulse, and torque.

Newton's Second Law Calculator

Solve force, mass, or acceleration with F = ma.

Friction Calculator

Calculate friction force from coefficient and normal force.

Pressure Calculator

Calculate pressure from force and area.

Hooke's Law Calculator

Calculate restoring force from spring constant and displacement.

Momentum and Impulse Calculator

Calculate momentum change, impulse, and average force.

Torque Calculator

Calculate torque from force, lever arm, and angle.

Energy and Work

Work, kinetic energy, potential energy, and energy changes.

Work Done Calculator

Calculate work from force, distance, and angle.

Kinetic Energy Calculator

Solve kinetic energy, mass, or velocity.

Gravitational Potential Energy Calculator

Calculate potential energy from mass, height, and gravity.

Work-Energy Theorem Calculator

Calculate net work from a change in kinetic energy.

Electricity and Magnetism

Circuit relationships and electrostatic force.

Ohm's Law Calculator

Solve voltage, current, or resistance and calculate circuit power.

Coulomb's Law Calculator

Calculate electrostatic force between two charges.

Properties of Matter and Waves

Density, gas behavior, and wave relationships.

Density Calculator

Solve density, mass, or volume and use common material densities.

Buoyant Force Calculator

Calculate buoyant force and displaced mass in a fluid.

Ideal Gas Law Calculator

Solve pressure, volume, or temperature from PV = nRT.

Wavelength and Frequency Calculator

Calculate wavelength from wave speed and frequency.

Snell's Law Calculator

Calculate refraction and critical angle with Snell's law.

Other calculator categories

Time

Time calculators for dates, durations, time math, timestamps, timezones, work hours, age, and business days.

Finance

Finance calculators for loans, mortgages, APR, APY, simple interest, budgets, auto loans, retirement, debt, and everyday payments.

Math

Math calculators for arithmetic, geometry, percentages, ratios, rounding, roots, fractions, and statistics.

Health

Health calculators for body metrics, calories, hydration, pace, due dates, body fat, and heart-rate zones.

Construction

Construction calculators for area, paint, flooring, concrete, gravel, mulch, roofing, tile, and slope estimates.

Auto

Auto calculators for fuel economy, trip cost, EV charging, and tire sizing.

Business

Business calculators for margins, markup, break-even, taxes, salary, discounts, commission, ROI, and pay rates.

Education

Education calculators for grades, GPA, weighted scores, finals, and reading time.

Other Tools

Desktop Clock

Desktop Converter

Desktop Tools