Free Physics Tools

Physics Calculators

Solve complex physics problems instantly with our comprehensive collection of accurate, free calculators designed for students, engineers, and professionals.

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Calculators
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Calculations

General Calculators

Choose from our comprehensive collection of physics calculators designed to solve complex problems quickly and accurately

Power to Mass Ratio

Calculate power-to-weight performance metrics for vehicles, engines, and machines

Horsepower to Amps

Convert motor power to electrical current for motor sizing and electrical design

Power Factor Calculator

Calculate electrical power efficiency and optimize energy consumption

Volumetric Flow Rate

Calculate fluid flow rates and pipe sizing for hydraulic systems

Charles Law

Calculate gas volume changes with temperature at constant pressure

Photon Energy

Calculate photon energy from wavelength using Planck's equation

Pipe Flow

Calculate pressure drop and flow characteristics in pipes

Enthalpy

Calculate enthalpy from internal energy, pressure, and volume

Projectile Motion

Calculate range, height, and time of flight for projectiles

Wire Gauge (DC)

Calculate DC wire gauge and ampacity for electrical circuits

Dynamics Calculators

Force, motion, and Newton's laws calculators for analyzing dynamics, mechanics, and engineering applications

Acceleration

Calculate acceleration from velocity and time changes

Angle of Banking

Calculate banking angle for curved roads and tracks

Car Crash

Calculate collision forces and impact analysis

Force

Calculate forces using Newton's laws and mechanics

Gravitational Force

Calculate gravitational force between masses

Hooke's Law

Calculate spring force using Hooke's Law (F = kx)

kg to Newtons

Convert mass to force using F = mg

Newton's Second Law

Calculate force, mass, and acceleration (F = ma)

Newton's Third Law

Calculate action-reaction forces (F_AB = -F_BA)

Normal Force

Calculate normal force on horizontal and inclined planes

Net Force

Calculate net force from multiple forces using vector addition

Stopping Distance

Calculate vehicle stopping distance including reaction time

Tension

Calculate tension in ropes, cables, and strings

Kinematics Calculators

Advanced motion and projectile physics calculators for analyzing movement, collisions, and trajectories

Arrow Speed

Calculate arrow speed from bow draw weight, arrow weight, and draw length

Ballistic Coefficient

Calculate ballistic coefficient from bullet weight, diameter, and form factor

Car Jump Distance

Calculate car jump distance from speed, ramp angle, and height

Conservation of Momentum

Calculate momentum conservation for collisions and explosions

Displacement

Calculate displacement from initial and final positions

Free Fall

Calculate free fall motion under gravity without air resistance

Free Fall with Air Resistance

Calculate free fall motion including air resistance effects

Friction

Calculate frictional forces and coefficients of friction

Ground Speed

Calculate ground speed from airspeed and wind conditions

Horizontal Projectile Motion

Calculate horizontal projectile motion from height and velocity

Impulse and Momentum

Calculate impulse and momentum relationships in collisions

Inclined Plane

Calculate forces and motion on inclined planes

Magnitude of Acceleration

Calculate acceleration magnitude from velocity changes

Maximum Height

Calculate maximum height of projectile motion

Momentum

Calculate momentum from mass and velocity

Muzzle Velocity

Calculate bullet muzzle velocity from ballistic data

Polar Moment of Inertia

Calculate polar moment of inertia for rotational motion

Projectile Range

Calculate projectile range from velocity and angle

Quarter Mile

Calculate quarter mile times and speeds for racing

Resultant Velocity

Calculate resultant velocity from component velocities

Rolling Resistance

Calculate rolling resistance forces for vehicles

Sled Ride

Calculate sled ride physics and motion on slopes

SUVAT

Calculate motion using SUVAT equations (s, u, v, a, t)

Terminal Velocity

Calculate terminal velocity with air resistance

Time of Flight

Calculate time of flight for projectile motion

Trajectory

Calculate projectile trajectory paths and equations

Velocity

Calculate velocity from displacement and time

Rotational & Oscillatory Motion

Angular motion, rotational dynamics, harmonic motion, and oscillation calculators for advanced physics analysis

Angular Velocity

Calculate angular velocity from angle, time, or frequency

Angular Acceleration

Calculate angular acceleration from velocity and time changes

Angular Displacement

Calculate angular displacement from initial and final angles

Angular Frequency

Calculate angular frequency from period or frequency

Angular Momentum

Calculate angular momentum from moment of inertia and angular velocity

Torque

Calculate torque from force and lever arm or moment of inertia

Rotational Kinetic Energy

Calculate rotational kinetic energy from moment of inertia and angular velocity

Rotational Stiffness

Calculate rotational stiffness from torque and angular displacement

Mass Moment of Inertia

Calculate moment of inertia for various shapes and objects

Flywheel Energy Storage

Calculate energy stored in rotating flywheels

Centripetal Force

Calculate centripetal force for circular motion

Centrifugal Force

Calculate centrifugal force in rotating reference frames

Circular Motion

Calculate circular motion parameters and forces

Centrifuge

Calculate centrifuge forces and separation parameters

Coriolis Effect

Calculate Coriolis force in rotating reference frames

Simple Pendulum

Calculate period and frequency of simple pendulums

Physical Pendulum

Calculate period of physical pendulums with distributed mass

Kinetic Energy of Pendulum

Calculate kinetic energy in pendulum motion

Simple Harmonic Motion

Calculate period, frequency, and energy in SHM systems

Damping Ratio

Calculate damping ratio for oscillatory systems

Frequency

Calculate frequency from period, angular frequency, or wavelength

Wavelength

Calculate wavelength from frequency and wave speed

Harmonic Wave Equation

Calculate harmonic wave parameters and equations

Why Choose Our Calculators

Our physics calculators are designed to help students, engineers, and professionals solve complex physics problems quickly and accurately. Each calculator uses proven formulas and provides instant results with proper units.

Fast & Accurate

Get instant results with precise calculations using proven physics formulas and real-time computation.

Mobile Friendly

Access all calculators on any device with our responsive design and touch-optimized interface.

Free to Use

All calculators are completely free with no registration required, no hidden fees, and no limitations.

Disclaimer: The calculators and tools available on PhysicsCalculators.net are designed for educational and informational purposes only. While we strive for accuracy, the results and calculations provided may contain errors or inaccuracies. Users are advised to verify the information independently and not rely solely on these results for academic, professional, or experimental purposes. PhysicsCalculators.net assumes no responsibility for any loss or damage resulting from the use of these tools.