Free Physics Calculators – Mechanics, Motion, Energy & More

Free physics calculator tools for velocity, force, kinematics, kinetic energy, electricity, waves, and thermodynamics—with formulas and step-by-step output.

Calculators in this section

• Velocity
• Kinetic Energy
• Work
• Cross Product
• Dot Product
• Kinematics
• Force
• Displacement
• Acceleration
• Momentum
• Horse Power
• Torque
• Friction
• Normal Force
• Density Altitude
• Weight
• Pressure
• Potential Energy
• Power
• Projectile Motion
• Coulomb's Law
• Ohm's Law
• Snell's Law
• Wave Speed
• Ideal Gas Law
• Combined Gas Law
• Centripetal Force
• Inclined Plane
• Collision
• Atwood Machine
• Simple Pendulum
• Density
• Hooke's Law
• Specific Heat
• Simple Harmonic Motion
• Lens and Mirror Equation
• Half-Life
• RC Time Constant
• Voltage Divider
• Buoyancy Force
• Capacitor Charge/Discharge
• Gravitational Force
• Electric Power
• Series & Parallel Resistance